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Archives of Mining Sciences

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Archives of Mining Sciences (AMS) publish research results of wide interest in all fields of mining sciences which include: rock mechanics, mining engineering, mineral processing, geotechnical engineering and tunnelling, mining and engineering geology, minig geodesy and geophysics, ventilation systems, environmental protection in mining and economical aspects in mining.

The journal established by the Polish Academy of Sciences, has been regularly issued since 1956. It enable collaboration and exchange of ideas between researchers from different countries as well as provides forum for the publication of high quality papers.

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ISSN 0860-7001

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Committee of Mining PAS

Editor-in-Chief

Prof. Antoni Tajduś, AGH University of Science and Technology, Krakow

Associate Editor

Prof. Jakub Siemek, AGH University of Science and Technology, Krakow, Poland

Section Editors

Dr Katarzyna Cyran, AGH University of Science and Technology, Poland

Prof. Wacław Dziurzyński, Strata Mechanics Research Institute, Polish Academy of Sciences, Krakow, Poland

Assoc. Prof. Piotr Małkowski, AGH University of Science and Technology, Krakow, Poland

Assoc. Prof. Przemysław Skotniczny, Strata Mechanics Research Institute, Polish Academy of Sciences

Assoc. Prof. Krzysztof Tajduś, Strata Mechanics Research Institute, Polish Academy of Sciences, Poland

Editorial board

Prof. Piotr Czaja, AGH University of Science and Technology, Krakow, Poland

Prof. Józef Dubiński, Central Mining Institute, Katowice, Poland

Prof. Stanisław Nagy, Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie

Prof. Stanisław Prusek, Central Mining Institute, Katowice

Prof. Tadeusz Słomka, AGH University of Science and Technology, Krakow

Prof. Ryszard Tadeusiewicz, AGH University of Science and Technology, Krakow

Prof. Wacław Trutwin, Strata Mechanics Research Institute, Polish Academy of Sciences, Krakow

Prof. Andrew K. Wojtanowicz, Louisiana State University, Baton Rouge, USA

Prof. Tao Xu, Northeastern University, China

Chairman of International Advisory Board

Prof. Marek Cała, AGH University of Science and Technology, Krakow, Poland

Members of International Advisory Board

Prof. Leandro R. Alejano, Universidad de Vigo, Spain

Prof. Kashy Aminian, West Virginia University, USA

Prof. Timothy Carr, West Virginia University, USA

Prof. Eleonora Widzyk-Capehart, University of Chile, Chile

Prof. Pedro Riesgo Fernández, University of Oviedo, Spain

Prof. Mihaly Dobróka, University of Miskolc, Hungary

Prof. Sevket Durucan, Imperial College London, United Kingdom

Prof. Aidarkhan Kaltayev, al-Frabi Kazakh State University, Almaty Kazachstan

Prof. Evgeny I. Križanivskij, National Oil and Gas University of Ukraine, Ivanofrankovsk, Ukraine

Prof. Ian Lowndes, University of Nottingham, Nottingham, United Kingdom

Prof. Henryk Marcak, AGH University of Science and Technology, Krakow

Prof. Marian Marschalko, VŠB-Technical University of Ostrava,Czech Republic

Prof. Stefan Miska, University of Tulsa, Tulsa, USA

Prof. Pierpaolo Oreste, Politecnico di Torino, Italy

Prof. Durga Charan Panigrahi, Indian School of Mines, Dhanbad, India

Prof. Tadeusz Patzek, The University of Texas at Austin, USA

Prof. Lucjan Pawłowski, University of Technology, Lublin

Prof. Genadyi G. Pivnyak, National Mining University of Ukraine, Dniepropetrovsk, Ukraine

Prof. Pekka Särkkä, Helsinki University of Technology Helsinki, Finland

Prof. Anton Sroka, Strata Mechanics Research Institute of the Polish Academy of Sciences, Krakow

Prof. Stanisław Stryczek, AGH University of Science and Technology, Krakow

Prof. Vlad Ulmanu, University Petroleum-Gas of Ploiesti, Romania

Prof. Jann Rune Ursin, University of Stavanger, Norway

Prof. Jan Wachowicz, Central Mining Institute, Katowice

Prof. Yaroslavl Vasyuchkov, Russian Academy of Natural Sciences, Moscow, Russia

Prof. Isik Yilmaz, Cumhuriyet University Sivas, Turkey

Mrs. Marta Bitner

Instytut Mechaniki Górotworu PAN

ul. Reymonta 27, 30-059 Kraków

Phone: +48 12 637 62 00 w. 58

Email: ams@img-pan.krakow.pl

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Zawartość

Archives of Mining Sciences | 2021 | vol. 66 | No 1

1 Innovative Technology of Tight Liquidation of Workings on the Example of the Wieliczka Salt Mine

Andrzej Gonet , Stanisław Antoni Stryczek

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 3-12 | DOI: 10.24425/ams.2021.136688

Słowa kluczowe: salt mine water hazard safety pillar Wieliczka

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Abstrakt

The authors of the paper describe the way in which the longitudinal working Gussmann was mined in level V and the longitudinal working Kosocice in level VI, which in both cases resulted in a water flux from behind the northern boundary of the salt deposit. Only after concrete dams were seated on both levels, the brine flux was stopped leaving a direct contact of the dams with the pressurized water around the mine. For the sake of controlling water beyond the dams, steel pipelines were conducted through both dams and equipped with gauges before the dams. Their use in a saline environment, the developing corrosion increased the possibility that the tightness of the pipelines would be damaged. For this reason a decision was made to protect the mine by making a tight reconstruction of the safety pillar in both levels along the longitudinal working for about 600 m from the dams eastwards. For this purpose the pipeline injection method was applied. As the volume of voids to be tightly filled equaled to about 3800 m3, the task had to be divided into stages. Because of considerable distances of the liquidated workings from the closest shaft, the sealing slurries were prepared in a special injection center on the surface from where they were transported to the destination with a pumping pipeline through the Kościuszko shaft. The most important aspect of liquidating the end parts of the longitudinal working was to properly select the sealing slurries in view of their best cooperation with the rock mass, and such parameters as tightness, durability and cost. At the end stage of works, both longitudinal workings were equipped with dams, which were sealed up with the hole injection method. The innovative technology was implemented in the Wieliczka Salt Mine to reconstruct the safety pillar in levels VI and V in the most westward workings, the mine was shortened by about 600 m, the length of the ventilation system was reduced, systematic observations and pressure read-outs in dams 3 and 4 were systematically eliminated in dams 3 and 4. In this way the costs were lowered and safety of the mine improved.

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Bibliografia

1] M. Cała, A. Stopkowicz, M. Kowalski, M. Blajer, K. Cyran, K. d’Obyrn, Stability analysis of underground mining openings with complex geometry. Studia Geotechnica et Mechanica 38, 1, 25-32 (2016).
[2] K . d’Obyrn, K. Brudnik, Results of hydrogeological monitoring in ‘Wieliczka’ Salt Mine after closing water inflow in transverse working Mina, level IV (Wyniki monitoringu hydrogeologicznego w Kopalni Soli „Wieliczka” po zamknięciu dopływu wody w poprzeczni Mina na poz. IV). Mining Review (Przegląd Górniczy) 6, 90-96 (2011).
[3[ K . d’Obyrn, Possible way of protecting Jakubowice chambers in ‘Wieliczka’ Salt Mine (Możliwości zabezpieczenia komór Jakubowice w Kopalni Soli „Wieliczka”). Mining and Geoengineering (Górnictwo i Geoinżynieria), Yearly 35, 2, 171-182 (2011).
[4] D . Flisiak, K. Cyran, Geomechanical parameters of miocene rock salt (Właściwości geomechaniczne mioceńskich soli kamiennych). Geological Bulletin of the Polish Geological Institute (Biuletyn Państwowego Instytutu Geologicznego) 429, 43-49 (2008).
[5] A . Garlicki, A. Gonet, S. Stryczek, Reinforcement of saline rock mass on the example of the salt mine Wieliczka. Proc. of the 2001 ISRM Intern. Symposium Frontiers of Rock Mechanics and Sustainable Development in the 21st Centry Beijing, China., A.A. Balkema Publishers, 581-583 (2001).
[6] A . Garlicki, Z. Wilk, Geological and hydrogeological background of water breakdown at level IV in ‘Wieliczka’ Salt Mine (Geologiczne i hydrogeologiczne tło awarii wodnej na poziomie IV kopalni soli Wieliczka). Geological Review (Przegląd Geologiczny) 41, 3, 183-192 (1993).
[7] A . Gonet, S. Stryczek et al., Patent PL 170267 of 29.11.1996. Method of filling empty voids in the rock mass (Sposób wypełniania pustych przestrzeni górotworu).
[8] A . Gonet, S. Stryczek, A. Garlicki, W. Brylicki, Protection of Salt Mines against Water Inflow Threat on the Example of Wieliczka Salt Mine. 8th World Symposium Hague, Elsevier 1, 363-368 (2000).
[9] S. Stryczek et al., Patent PL 171213 of 28.03.1997. Mixture for filling and sealing empty spaces in the rock mass (Mieszanina do wypełniania i uszczelniania pustych przestrzeni górotworu).
[10] S. Stryczek, A. Gonet, Selection of slurries for reinforcing saline rock mass (Dobór zaczynów do wzmacniania górotworu solnego). Conference proceedings ‘Restoring usability value to mining areas. Old mines – new perspectives’ (Materiały konferencyjne pt. Przywracanie wartości użytkowych terenom górniczym. Stare kopalnie – nowe perspektywy), PAN -IGSMiE, Kraków, 327-335 (2001).

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Autorzy i Afiliacje

Andrzej Gonet

e-mail:

ORCID:

Stanisław Antoni Stryczek

e-mail:

ORCID:

AGH University of Science and Technology, Faculty of Drilling, Oil and Gas, Al. A. Mickiewicza 30, 30-059 Krakow, Poland

2 Simulation of the Evacuation of People in a Road Tunnel in the Event of Fire – Case Study

Natalia Schmidt-Polończyk , Zbigniew Burtan , Piotr Liszka

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 13-28 | DOI: 10.24425/ams.2021.136689

Słowa kluczowe: safety simulation evacuation road tunnels

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Abstrakt

This paper provides an analysis of the evacuation process in a road tunnel in the event of a fire, using the example of the tunnel under the Luboń Mały mountain currently being constructed on Expressway S7’s Lubień – Rabka-Zdrój section. As fires are the largest and most dangerous events occurring in road tunnels, it is important to predict the evacuation process as early as at the design stage. The study described here used numerical modelling to simulate evacuation, which made it possible to determine the required safe evacuation time of all tunnel users in a fire. On the basis of the parameters of the tunnel under Luboń Mały, numerical studies were performed for four different fire scenarios, three of which assumed various fire locations with the currently designed two traffic lanes. The fourth variant accounted for the planned extension of the roadway to include three traffic lanes. Eventually, four numerical models were developed involving various fire ignition locations and numbers of potential tunnel users. The values of initial-boundary conditions used in the simulation, such as movement speed during evacuation, shoulder breadth and pre-movement time, were specified on the basis of experimental data for an evacuation performed in smoke conditions in the Emilia tunnel in Laliki. The results lead to the conclusion that if the time of reaching critical conditions in the tunnel is not shorter than 5 minutes 40 seconds for the current design state and 5 minutes 47 seconds for three lanes, the distribution of evacuation exits in the tunnel under Luboń Mały will ensure safe evacuation.

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Bibliografia

[1] C . Caliendo, M.L. De Guglielmo, Accident rates in road tunnel and social costs evaluation. SIIV – 5th International Congress – Sustainability of Road tunnels Infrastructures. In Procedia – Social and Behavioural Sciences 53, 166- 177 (2012).
[2] A . Voeltzel, A. Dix, A comparative analysis of the Mont Blanc, Tauern and Gotthard tunnel fires. World Road Association (PIARC ) 324, 18-34 (2004).
[3] I . Maevski, Design Fires in Road Tunnels, A synthesis of Highway Practice. New York: Transportation Research Board NCHR P National Cooperative Highway Research Program Synthesis 415. (2011).
[4] British Standard. The application of fire safety engineering principles to fire safety design of buildings. Human factors. Life safety strategies. Occupant evacuation, behaviour and condition, BSI. PD 7974-6:2004.
[5] E . Ronchi, P. Colonna, J. Capote, D. Alvear, N. Berloco, A. Cuesta, The evaluation of different evacuation models for assessing road tunnel safety analyses. Tunnelling and Underground Space Technology 30, 74-84 (2012). doi: 10.1016/j.tust.2012.02.008
[6] E . Ronchi, M. Kinsey, Evacuation models of the future: insights from an online survey of user’s experiences and needs. Advanced Research Workshop – Evacuation and Human Behaviour in Emergency Situations 145-155 (2011).
[7] N. Schmidt-Polończyk. Ocena możliwości stosowania wentylacji wzdłużnej w długich tunelach drogowych. Assessment of the possibility to apply longitudinal ventilation in long road tunnels. PhD thesis, AGH UST (2016).
[8] Road Tunnels: Operational Strategies for Emergency Ventilation. France: PIARC Committee on Road Tunnels (2011).
[9] M . Kinateder, P. Pauli, M. Müller, J. Krieger, F. Heimbecher, I. Rönnau, Human behaviour in severe tunnel accidents: Effects of information and behavioural training. Transportation Research Part F: Traffic Psychology and Behaviour 17, 20-32 (2013). doi: 10.1016/j.trf.2012.09.001
[10] E . Ronchi, K. Fridolf, H. Frantzich, D. Nilsson, A.L. Walter, H. Modig, A tunnel evacuation experiment on movement speed and exit choice in smoke. Fire Safety Journal 97, 126-136 (2018). doi: 10.1016/j.firesaf.2017.06.002
[11] M . Seike, N. Kawabata, M. Hasegawa, Evacuation speed in full-scale darkened tunnel filled with smoke. Fire Safety Journal 91, 901-907, (2017). doi: 10.1016/j.firesaf.2017.04.034
[12] C. Casse, S. Caroly, Analysis of critical incidents in tunnels to improve learning from experience. Safety Science 116, 222-230 (2019), DOI : 10.17632/scrdwnzc7t.1
[13] K . Fridolf, E. Ronchi, D. Nilsson, H. Frantzich, The representation of evacuation movement in smoke-filled underground transportation systems. Tunnelling and Underground Space Technology 90, 28-41 (2019), doi: 10.1016/j. tust.2019.04.016
[14] J. Porzycki, N. Schmidt-Polończyk, J. Wąs, Pedestrian behavior during evacuation from road tunnel in smoke condition – Empirical results. PLOS ONE 13 (8), e0201732 (2019). doi: 10.1371/journal.pone.0201732
[15] I. Donald, D. Canter, Intentionality and fatality during the King’s Cross underground fire. European Journal of Social Psychology 22 (3), 203-218 (1992).
[16] K . Fridolf, D. Nilsson, H. Frantzich, Fire Evacuation in Underground Transportation Systems: A Review of Accidents and Empirical Research. Fire Technology 49 (2), 451-475 (2013). doi: 10.1007/s10694-011-0217-x
[17] Thunderhead Engineering. Pathfinder 2014.2 Verification and Validation (2014).
[18] Thunderhead Engineering. Pathfinder 2016. User Manual (2016).
[19] P. Liszka, Ocena bezpieczeństwa ewakuacji w tunelu pod Luboniem Małym. Master’s Thesis, AGH University of Science and Technology (2018).
[20] P.G. Gipps, B. Marksjo, A microsimulation model for pedestrian flows. Mathematics and Computers in Simulation 27, 95-105 (1985).
[21] M . Moussaïd, N. Perozo, S. Garnier, D. Helbing, G. Theraulaz, The Walking Behaviour of Pedestrian Social Groups and Its Impact on Crowd Dynamics. PLOS ONE. 5 (4), 1-7 (2010). doi: 10.1371/journal.pone.0010047
[22] RABT : Forschungsgesellschaft fur Strassen-and Verkehrswesen, Richtlinien fuer Ausstattung und Betrieb von Strassentunneln (2006).

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Autorzy i Afiliacje

Natalia Schmidt-Polończyk

e-mail:

ORCID:

Zbigniew Burtan

e-mail:

ORCID:

Piotr Liszka

AGH University of Science and Technology, Al. A. Mickiewicza 30, 30-059 Krakow, Poland

3 The Synergy of Fatigue, Corrosion and Abrasive Wear Processes in Operation of Mining Round Link Chains

Eryk Remiorz , Stanisław Mikuła

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 29-42 | DOI: 10.24425/ams.2021.136690

Słowa kluczowe: round link chain fatigue cracks corrosion abrasive wear

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Abstrakt

The mutual influence of fatigue processes, abrasive wear and corrosion of chain links on the functional properties of mining round link chains has been presented in this paper. Selected results of experimental investigations in the field of synergic impact of these destructive processes on the operational durability of mining chains have also been presented. The emphasis was given to the necessity of a comprehensive consideration of destructive processes that occur in various conditions of use of round link chains applied in mining machines.

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Bibliografia

[1] www.fasing.pl, accessed: 14.06.2018
[2] E . Remiorz, S. Mikuła, Podstawowe formy degradacji własności użytkowych łańcuchów ogniwowych górniczych stosowanych w maszynach ścianowych. Maszyny Górnicze 35 (3), (2017).
[3] S. Mikuła, Trwałość zmęczeniowa cięgien łańcuchowych górniczych maszyn urabiających i transportowych. Prace Badawcze CMG Komag, Gliwice (1978).
[4] S. Kocańda, Zmęczeniowe niszczenie metali. WNT , Warszawa (1972).
[5] P .M. Wnuk, Pojęcia i zależności w liniowej i nieliniowej mechanice pękania. Eksploatacja i Niezawodność – Maintenance and Reliability 6 (1) (2004).
[6] J. Gubała, E. Zięba, Wykorzystanie mechaniki pękania do określenia wytrzymałości konstrukcji w warunkach oddziaływania korozyjnego. Przegląd Mechaniczny 35 (1) (1976).
[7] K . Kotwica, K. Furmanik, B. Scherf, Wpływ warunków pracy na zużycie i trwałość cięgien łańcuchowych zgrzebłowych przenośników ścianowych w wybranych kopalniach węgla kamiennego. Przegląd Górniczy 67 (11), (2011).
[8] J. Hankus, M. Szot, A. Pytlik, K. Paradowski, Badania łańcuchów ogniwowych górniczych. Materiały Sympozjum Szkoleniowego Europejskiego Studium Menedżerskiego, Jastrzębie Zdrój (2006).
[9] H . Kania, Kształtowanie struktury oraz odporność korozyjna powłoki Zn-Al otrzymanych metodą metalizacji zanurzeniowej. Wydawnictwo Politechniki Śląskiej, Gliwice (2017).
[10] M. Dolipski , E. Remiorz, P. Sobota, J. Osadnik, Komputerowe badania wpływu zużycia den gniazd i flanki zębów bębna na położenie ogniw w gniazdach bębna łańcuchowego. Mechanizacja i Automatyzacja Górnictwa 49 (4), (2011).
[11] M. Dolipski, E. Remiorz, P. Sobota, Determination of dynamic loads of sprocket drum teeth and seats using mathematical model of a scraper conveyor. Arch. Min. Sci. 57 (4), (2012).
[12] M. Dolipski, P. Cheluszka, E. Remiorz, P. Sobota, Innowacyjne górnicze przenośniki zgrzebłowe. Wydawnictwo Politechniki Śląskiej, Gliwice (2017).
[13] A .N. Wieczorek, Influence of Shot Peening on Abrasion Wear in Real Conditions of Ni-Cu-Ausferritic Ductile Iron. Arch Metall. Mater. 61 (4), (2016).
[14] A .N. Wieczorek, Comparative studies on the wear of ADI alloy cast irons as well as selected steels and surfacehardened alloy cast steels in the presence of abrasive. Arch. Metall. Mater. 62 (1), (2017).
[15] S. Mikuła, Ł. Gajda, Metody badań zużycia ściernego łańcuchów górniczych. Zeszyty Naukowe Politechniki Śląskiej, s. Górnictwo 93 (1978).
[16] E . Remiorz, S. Mikuła, Diagnosis of round link chains resistance to abrasive wear. Technicka Diagnostika 27 (1), (2018).
[17] B . Pawlukiewicz, J. Wiederman, Mechanizm niszczenia ogniw łańcuchów górniczych podczas eksploatacji. Inżynieria Materiałowa 19 (5), (1998).
[18] E . Remiorz, S. Mikuła, Eksploatacyjna diagnostyka ogniwowych łańcuchów górniczych stosowanych w pociągowych układach łańcuchowych maszyn ścianowych. Maszyny Górnicze 36 (1), (2018).

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Autorzy i Afiliacje

Eryk Remiorz

e-mail:

ORCID:

Stanisław Mikuła

e-mail:

ORCID:

Silesian University of Technology, Faculty of Mining, Safety Engineering and Industrial Automation, Department of Mining Mechanization and Robotisation, 2 Akademicka Str., 44-100 Gliwice, Poland

4 Experimental and Theoretical Study on the Dynamic Ejection Process of a Rock Burst Under a Static Load

Weiyu Zheng

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 43-56 | DOI: 10.24425/ams.2021.136691

Słowa kluczowe: rock burst high-speed camera kinetic energy stress field crack propagation

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Abstrakt

As the duration of a rock burst is very short and the roadway is seriously damaged after the disaster, it is difficult to observe its characteristics. In order to obtain the dynamic characteristics of a rock burst, a modified uniaxial compression experiment, combined with a high-speed camera system is carried out and the process of a rock burst caused by a static load is simulated. Some significant results are obtained: 1) The velocity of ejected particles is between 2 m/s and 4 m/s. 2) The ratio of elastic energy to plastic energy is about five. 3) The duration from integrity to failure is between 20 ms and 40 ms. Furthermore, by analyzing the stress field in the sample with a numerical method and crack propagation model, the following conclusions can be made: 1) The kinetic energy of the ejected particles comes from the elastic energy released by itself. 2) The ratio of kinetic energy to elastic energy is between 6% and 15%. This can help understand the source and transfer of energy in a rock burst quantitatively.

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Bibliografia

[1] F. Ren, C. Zhu, M. He, Moment Tensor Analysis of Acoustic Emissions for Cracking Mechanisms During Schist Strain Burst. Rock Mech. Rock Eng. 53, 1-2(2019). DOI: 10.1007/s00603-019-01897-3
[2] G . Su Y. Shi, X. Feng, J. Jiang, J. Zhang, Q. Jiang, True-Triaxial Experimental Study of the Evolutionary Features of the Acoustic Emissions and Sounds of Rockburst Processes. Rock Mech. Rock Eng. 51, 375-389 (2018). DOI: 10.1007/ s00603-017-1344-6
[3] F. Gong, Y. Luo, X. Li, X. Si, M. Tao, Experimental simulation investigation on rockburst induced by spalling failure in deep circular tunnels. Tunn. Undergr. Sp. Tech. 81, 413-427(2018). DOI: 10.1016/j.tust.2018.07.035
[4] S.H. Cho, Y. Ogata, K. Kaneko, A method for estimating the strength properties of a granitic rock subjected to dynamic loading. Int. J. Rock Mech. Min. 42 (4), 561-568(2005). DOI: 10.1016/j.ijrmms.2005.01.004
[5] J. Wang, H.D. Park, Comprehensive prediction of rockburst based on analysis of strain energy in rocks. Tunn. Undergr. Sp. Tech. 16 (1), 49-57(2001). DOI: 10.1016/S0886-7798(01)00030-X
[6] M.N. Bagde, V. Petorš, Fatigue properties of intact sandstone samples subjected to dynamic uniaxial cyclical loading. Int. J. Rock Mech. Min. Sci. 42 (2), 237-250(2005). DOI: 10.1016/j.ijrmms.2004.08.008
[7] M. Cai, H. Morioka, P.K. Kaiser, Y. Tasaka, H. Kurose, M. Minami, T. Maejima, Back-analysis of rock mass strength parameters using AE monitoring data. Int. J. Rock Mech. Min. 44 (4), 538-549(2007). DOI: 10.1016/j.ijrmms.2006.09.012
[8] K. Du, M. Tao, X. Li, J. Zhou, Experimental Study of Slabbing and Rockburst Induced by True-Triaxial Unloading and Local Dynamic Disturbance. Rock Mech. Rock Eng. 49 (9), 3437-3453(2016). DOI: 10.1007/s00603-016-0990-4
[9] R . Simon, PhD thesis, Analysis of fault-slip mechanisms in hard rock mining, McGill University, Quebec/Montreal, Canada (1999).
[10] N .G. Cook, The failure of rock. Int. J. Rock Mech. Min. 2 (4), 389-403(1965). DOI: 10.1016/0148-9062(65)90004-5
[11] P.N. Calder, D. Madsen, High frequency precursor analysis prior to a rockburst. Int. J. Rock Mech. Min. Geomech. Abstr.26, 3-4 (1989). DOI: 10.1016/0148-9062(89)92469-8
[12] Z.T. Bieniawski, Mechanism of brittle fracture of rock: Part II—experimental studies. Int. J. Rock Mech. Min. 4 (4), 407-423 (1967). DOI: 10.1016/0148-9062(67)90031-9
[13] S.P. Singh, Burst energy release index. Rock Mech. Rock Eng. 21 (2), 149-155 (1988). DOI: 10.1007/BF01043119
[14] A. Kidybiński, Bursting liability indices of coal. Int. J. Rock Mech. Min. Sci. 18 (4), 295-304 (1981). DOI: 10.1016/0148-9062(81)91194-3
[15] A. Tajduś, M. Cala, K. Tajduś, Seismicity and Rock Burst Hazard Assessment in Fault Zones: a Case Study. Arch. Min. Sci. 63 (3), 747-765 (2018). DOI: 10.24425/123695
[16] W.D. Ortlepp, T.R. Stacey, Rockburst mechanisms in tunnels and shafts. Tunn. Undergr. Sp. Tech. 9 (1), 59-65 (1994). DOI: 10.1016/0886-7798(94)90010-8
[17] H . Marcak, Seismicity in mines due to roof layer bending. Arch. Min. Sci. 57 (1), 229-250 (2012). DOI: 10.2478/v10267-012-0016-3
[18] T.J. Williams, C.J. Wideman, D.F. Scott, Case history of a slip-type rockburst. Pure Appl. Geophys. 139, 627-637 (1992). DOI: 10.1007/BF00879955
[19] A.A. Griffith, VI. The phenomena of rupture and flow in solids. Phil. Trans. Math. Phys. Eng. Sci. 221 (582-593), 163-198 (1921). DOI: 10.1098/rsta.1921.0006

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Autorzy i Afiliacje

Weiyu Zheng

1 2

China University of Mining & Technology (Beijing), School of Energy and Mining Engineering, China
State Key Laboratory of Coal Mining and Clean Utilization, China

5 Experimental Verification of the State of Stress in Load Bearing Cables in a Hoisting Installation Due to Random Misalignments and Irregularities of the Guide Strings

Stanisław Wolny

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 57-68 | DOI: 10.24425/ams.2021.136692

Słowa kluczowe: dynamics mining hoist installation randomness

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Abstrakt

In order for the ultimate state methods to be applied in dimensioning of the load-bearing elements in a conveyance, it is required that their design loads during their normal duty cycle and under the emergency braking conditions should be first established. Recently, efforts have been made to determine the interaction forces between the shaft steelwork and the conveyance under the normal operating condition [1,2]. Thus far, this aspect has been mostly neglected in design engineering. Measurement results summarised in this paper and confronted with the theoretical data [3] indicate that the major determinant of fatigue endurance of conveyances is the force acting horizontally and associated with the conveyance being hoisted in relation to the vertical force due to the weight of the conveyance and payload.

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Bibliografia

[1] F . Matachowski, PhD thesis, Opracowanie kryteriów projektowania wybranych elementów nośnych naczynia wydobywczego. AGH University of Science and Technology, Kraków, Poland (2011).
[2] S. Wolny, F. Matachowski, Operating Loads of the Shaft Steelwork – Conveyance System dne to Ranchon Irregularities of the Guiding Strings. Arch. Min. Sci. 55 (3), 589-603 (2010).
[3] S. Wolny, Wybrane problemy wytrzymałościowe w eksploatacji górniczych urządzeń wyciągowych. Monografia. Problemy Inżynierii Mechanicznej i Robotyki, AGH, Nr 20, Kraków (2003).
[4] M. Płachno, Metoda dynamiczna badań stanu zmienności naprężeń w cięgnach naczyń wyciągowych powodowanego nierównościami torów prowadzenia. In monograph: Transport szybowy 2007, Wydawnictwo KO MAG, Gliwice, II , 51-60 (2007).
[5] M. Płachno, Mathematical model of transverse vibrations of a high-capacity mining skip due misalignment of the guiding tracks in the hoisting shaft. Arch. Min. Sci. 63 (1), 3-26 (2018).
[6] D . Fuchs, H. Noeller, Untersuchungen an Haupttraggliedern hochbeanspruchter Fördermittel. Sonderabdruck aus Glückauf 124 (9), 512-514 (1998).
[7] M. Płachno, Z. Rosner, Możliwości wczesnego wykrywania procesów zmęczeniowych w cięgnach naczyń wyciągów górniczych. Bezpieczeństwo Pracy i Ochrona Środowiska w Górnictwie, Wydanie Specjalne, 241-246 (1997).
[8] S. Wolny, Interactions in mechanical systems due to random inputs on the example of a mine hoist. International Education & Research Journal, Engineering 1 (5), 70-74 (2015).
[9] S. Wolny, Displacements in mechanical systems due to random inputs in a mine hoist installation. Engineering Transactions 65 (3), 513-522 (2017).
[10] S. Wolny et al., Research work, Opracowanie kryteriów oceny konstrukcji nośnej naczyń górniczych wyciągów szybowych w aspekcie przedłużenia okresu bezpiecznej eksploatacji. Katedra Wytrzymałości Materiałów i Konstrukcji, AGH University of Science and Technology, Kraków (2003) (unpublished).
[11] A . Pieniążek, J. Weiss, A. Winiarz, Procesy stochastyczne w problemach i zadaniach. Wydawnictwo Politechniki Krakowskiej, Kraków (1999).
[12] V.A. Sretlickij, Slucajnye kolebanija mechaniceskich system. Moskva: Masinostroenie (1976).
[13] S. Wolny, Loads experienced by load-bearing components of mine hoist installations due to random irregularities and misalignments of the guide strings. Journal of Machine Construction and Maintenance 3 (110), 79-86 (2018).
[14] S. Wolny, S. Badura, Wytrzymałość cięgien nośnych górniczego naczynia wydobywczego. Journal of Civil Engineering, Environment and Architecture 34 (64), 149-158 (2017).
[15] S. Kawulok, Oddziaływanie zbrojenia szybu na mechanikę prowadzenia naczynia wyciągowego. Prace GIG, Katowice (1989).
[16] Przepisy górnicze „Rozporządzenie Rady Ministrów z dnia 30 kwietnia 2004 r. w sprawie dopuszczenia do stosowania w zakładach górniczych (Dz.U. Nr 99, poz. 1003 z 2005 r. Nr 80, poz. 695 oraz z 2007 r. Nr 249, poz. 1853, pkt 1.2 Naczynia wyciągowe” (2004).

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Autorzy i Afiliacje

Stanisław Wolny

e-mail:

ORCID:

AGH University of Science and Technology, Al. A. Mickiewicza 30, 30-059 Krakow, Poland

6 Modeling of Methane and Air Velocity Behavior in an Auxiliary Ventilated Coal Heading

Gülnaz Daloğlu , Mustafa Önder , Teresa Parra

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 69-84

Słowa kluczowe: coal mine methane computational fluid dynamics (CFD) correlation analysis ANOVA

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Abstrakt

It is commonly known that the cause of serious accidents in underground coal mining is methane. Thus, computational fluid dynamics (CFD) becomes a useful tool to simulate methane dispersion and to evaluate the performance of the ventilation system in order to prevent mine accidents related to methane. In this study, numerical and experimental studies of the methane concentration and air velocity behaviour were carried out. The experiment was conducted in an auxiliary ventilated coal heading in Turkish Hard Coal Enterprises (TTK), which is the most predominant coal producer in Turkey. The simulations were modeled using Fluent-Ansys v.12. Significant correlations were found when experimental values and modeling results were compared with statistical analysis. The CFD modeling of the methane and air velocity in the headings especially uses in auxiliary ventilation systems of places where it is hard to measure or when the measurements made are inadequate.

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Bibliografia

[1] J. Toraño, S.Torno, M. Menendez, M. Gent, J. Velasco, Models of methane behaviour in auxiliary ventilation of underground coal mining. Int. J. of Coal Geology 80 (1), 35-43 (2009).
[2] J.K. Richmond, G.C. Price, M.J. Sapko, E.M. Kawenski, Historical summary of coal mine explosions in the United States 1959-1981. In: Bureau of Mines Information Circular (IC-8909), (1983).
[3] The Chamber of Mining Engineers of Turkey (TMMOB), The Occupational Accidents Report in Mining, Turkey (2010).
[4] A .M. Wala, B.J. Kim, Simulation of unsteady-state of airflow and methane concentration processes in mine ventilation systems caused by disturbances in main fan operation. In: Mopusset-Jones (Eds.), the Second US Mine Ventilation Symposium, (1985).
[5] J.S. Edwards, T.X. Ren, R. Jozefowicz, Using CFD to solve mine safety and health problems. In: APCOM XXV Conference, Brisbane, (1995).
[6] M.T. Parra, J.M. Villafruela, F. Castro, C. Méndez, Numerical and experimental analysis of different ventilation systems in deep mines. Building and Env. 41 (2), 87-93 (2006).
[7] J.C. Kurnia, A.P. Sasmito, A.S. Mujumdar, Simulation of Methane Dispersion and Innovative Methane Management in Underground Mining Faces. Appl. Mathematical Modelling 38, 3467-3484 (2014).
[8] J.C. Kurnia, A.P. Sasmito, A.S. Mujumdar, Simulation of A Novel Intermittent Ventilation System for Underground Mines. Tunnelling and Underground Space Technology 42, 206-215 (2014).
[9] X. Wang, X. Liu, Y. Sun, J. An, J. Zhang, H. Chen, Construction schedule simulation of a diversion tunnel based on the optimized ventilation time. J. of Hazard Materials 165, 933-943 (2009).
[10] D. Xie, H. Wang, K.J. Kearfott, Z. Liu, S. Mo, Radon dispersion modeling and dose assessment for uranium mine ventilation shaft exhausts under neutral atmospheric stability. J. of Env. Radioactivity 129, 57-62 (2014).
[11] J. Toraño, S. Torno, M. Menendez, M. Gent, Auxiliary ventilation in mining roadways driven with roadheaders: Validated CFD modelling of dust behaviour. Tunnelling Underground Space Technology 26, 201-210 (2011) .
[12] A .M. Wala, J.C. Yingling, J. Zhang, Evaluation of the face ventilation systems for extended cuts with remotely operated mining machines using three-dimensional numerical simulations. In: Metall. and Exploration Annual Meeting Society for Mining, (1998).
[13] S .M. Aminossadati, K. Hooman, Numerical simulation of ventilation air flow in underground mine workings. In: 12th U.S./North American Mine Ventilation Symposium, 253-259 (2008).
[14] M. Branny, Computer simulation of flow of air and methane mixture in the longwall-return crossing zone. Petroleum Journals Online, 1-10 (2007).
[15] N .I. Vlasin, C. Lupu, M. Şuvar, V.M. Pasculescu, S. Arad, Computerised modelling of methane releases exhaust from a retreating logwall face. In: 4th European Conference on Recent Advances in Civil and Mining Engineering (ECCIE’13), 274-277 (2013).
[16] Z .H. Zhang, E.K. Hov, N.D. Deng, J.H. Guo, Study on 3D mine tunnel modelling. In: the International Conference on Environment, Ecosystem and Development (EE D’07), 35-40 (2007).
[17] S .M. Radui, G. Dolea, R. Cretan, Modeling and simulation of coal winning process on the mechanized face. In: 4th European Conference on Recent Advances in Civil and Mining Engineering (ECCIE’13), 30-35 (2013).

[18] J. Cheng, S. Li, F. Zhang, C. Zhao, S. Yang, A. Ghosh, J. of Loss Prevention in the Process Industries 40, 285-297 (2016).
[19] Z . Wang, T. Ren, Y. Cheng, Numerical investigations of methane flow characteristics on a longwall face Part II: Parametric studies. J. of Naturel Gas Science and Engineering 43, 254-267 (2017b).
[20] Z . Wang, T. Ren, Y. Cheng, Numerical investigations of methane flow characteristics on a longwall face Part I: Methane emission and base model results. J. of Naturel Gas Science and Engineering 43, 242-253 (2017a).
[21] Y . Lu, S. Akhtar, A.P. Sasmito, J.C. Kurnia, Prediction of air flow, methane, and coal dust dispersion in a room and pillar mining face. Int. J. of Mining Science and Technology 27, 657-662 (2017).
[22] Q. Zhang, G. Zhou, X. Qian, M. Yuan, Y. Sun, D. Wang, Diffuse pollution characteristics of respirable dust in fully-mechanized mining face under various velocities based on CFD investigation. J. of Cleaner Production 184, 239-250 (2018).
[23] J. Wachowicz, J.M. Laczny, S. Iwaszenko, T. Janoszek, M. Cempa-Balewicz, Modelling of underground coal gasification process using CFD methods. Arch. Min. Sci. 60, 663-676 (2015).
[24] T . Skjold, D. Castellanos, K.L. Olsen, R.K. Eckhoff, Experimental and numerical investigations of constant volume dust and gas explosions in a 3.6-m flame acceleration tube. J. of Loss Prevention in the Process Industries 30, 164-176 (2014).
[25] C.A. Palmer, E. Tuncalı, K.O. Dennen, T.C. Coburn, R.B. Finkelman, Characterization of Turkish coals: a nationwide perspective. Int. J. Coal Geology 60, 85-115 (2004).
[26] S . Toprak, Petrographic properties of major coal seams in Turkey and their formation. Int. J. of Coal Geology 78, 263-275 (2009).
[27] A .E. Karkınlı, T. Kurban, A. Kesikoglu, E. Beşdok, CFD based risk simulations and management on CBS. In: Congress of Geographic Information Systems, Antalya, Turkey (2011). [28] http://www.theatc.org/events/cleanenergy/pdf/TuesdayMorningBallroom2&3/Bicer, accessed: 09.05.2012.
[29] Turkish Hard Coal Enterprises (TT K), Turkish Hard Coal Enterprise general management activities between 2003 and 2009, (2009).
[30] I. Diego, S. Torno, J. Torano, M. Menendez, M. Gant, A practical use of CFD for ventilation of underground works. Tunnelling Underground Space Technology 26, 189-200 (2011).
[31] S . Torno, J. Torano, M. Ulecia, C. Allende, Conventional and numerical models of blasting gas behaviour in auxiliary ventilation of mining headings. Tunnelling Underground Space Technology 34, 73-81 (2013).
[32] Z . Altaç, Modeling Samples with Gambit and Fluent. Depart. of the Mech. Eng. of Eskisehir Osmangazi Univ., Turkey (2005).
[33] A . Konuk, S. Önder, Statistics for Mining Engineers. Depart. of the Mining Eng. of Eskisehir Osmangazi Univ., Turkey (1999).

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Autorzy i Afiliacje

Gülnaz Daloğlu

Mustafa Önder

Teresa Parra

Eskişehir Osmangazi Üniversitesi Müh. Mim. Fak. Maden Mühendi sliği Bölümü, 26480 Eskişehir, Turkey
University of Valladolid, Department of Energy and Fluid Mechanics, Valladolid, Spain

7 Caulking of Goafs Formed by Cave-in Mining and its Impact on Surface Subsidence in Hard Coal Mines

Andrzej Kowalski , Jan Białek , Tadeusz Rutkowski

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 85-100 | DOI: 10.24425/ams.2021.136694

Słowa kluczowe: mining caulking of goafs surface subsidence exploitation coefficient

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Abstrakt

The impact of caulking of goafs after mining exploitation of a hard coal seam with caving is expressed as the change in value of a a exploitation coefficient which, as defined, is the quotient of the maximum reduction in the surface height of a complete or incomplete trough to the thickness of the exploited seam. The basis for determining the value of the exploitation coefficient was geological and mining data combined with the results of the measurement of subsidence on the surface – measuring line 1222-1301 – of the Ruda mine. There, mining was carried out between 2005 and 2019, with a transverse longwall system and the caulking of goafs. The research team used two methods to determine the impact of the caulking applied in the goafs on the value of the exploitation coefficient. In the first method the goafs are filled evenly along the whole longwall, and in the second method unevenly and on a quarterly basis. The determination of the values of the exploitation coefficients for selected measuring points was preceded by the determination of the parameters of the Knothe-Budryk theory, which was further developed by J. Białek. The obtained dependencies are linear and the values of the correlation coefficients fall between –0.684 and –0.702, which should be considered satisfactory in terms of experimental data. It is possible to reduce the value of the exploitation coefficient by caulking the goafs by about 18%, when filling the goafs to 0.26% of the height of the active longwall.

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Bibliografia

[1] J. Białek, Opis nieustalonej fazy obniżeń terenu górniczego z uwzględnieniem asymetrii wpływów końcowych. Zeszyty Naukowe Politechniki Śląskiej (1), 1991.
[2] J. Białek, Algorytmy i programy komputerowe do prognozowania deformacji terenu górniczego. Wydawnictwo Politechniki Śląskiej 2003.
[3] Y. Jiang, R. Misa, K. Tajduś, A. Sroka, A new prediction model of surface subsidence with Cauchy distribution in the coal mine of thick topsoil condition. Archives of Mining Sciences 65 (1), 147-158 (2020), doi: 10.24425/132712
[4] S. Knothe, Prognozowanie wpływów eksploatacji górniczej. 1984 Wydawnictwo Śląsk, Katowice.
[5] A. Kowalski, Deformacje powierzchni terenu górniczego kopalń węgla kamiennego. 2020 Wydawnictwo Głównego Instytutu Górnictwa, Katowice.
[6] H . Kratzsch Bergschadenkunde, 2008 Deutscher Markscheider-Verein e.v., Bochum.
[7] M. Mazurkiewicz, Z. Piotrowski, Grawitacyjne podsadzanie płytkich zrobów zawiesiną popiołów lotnych w wodzie. Ochrona Terenów Górniczych 66, 6-8 (1984).
[8] M. Mazurkiewicz, Technologiczne i środowiskowe aspekty stosowania stałych odpadów przemysłowych do wypełniania pustek w kopalniach podziemnych. Zeszyty Naukowe AGH, Górnictwo nr 152, (1990).
[9] T. Niemiec, Porowatość zrobów a współczynnik eksploatacyjny. Sbornik referatu XVIII, Konference SDMG, 161- 167 (2011).
[10] W . Piecha, S. Szewczyk, T. Rutkowski, Ochrona powierzchni dzielnicy Wirek w świetle dokonanej i prowadzonej podziemnej eksploatacji górniczej. Przegląd Górniczy (2) 55-66, (2019).
[11] Z . Piotrowski, M. Mazurkiewicz, Chłonność doszczelnianych zrobów zawałowych. Górnictwo i Geoinżynieria 30 (3), 37-45 (2006).
[12] F. Plewa, Z. Mysłek., G. Strozik, Zastosowanie odpadów energetycznych do zestalania rumowiska skalnego. Polityka Energetyczna XI (1), 351-360 (2008).
[13] P. Polanin, A. Kowalski, A. Walentek, Numerical simulation of subsidence caused by roadway system. Archives of Mining Sciences 64 (2), 385-397 (2019), doi: 10.24425/1286090
[14] E . Popiołek, Z. Niedojadło, P. Sopata, T. Stoch, Możliwości wykorzystania pogórniczych niecek obniżeniowych do oszacowania objętości pustek w zrobach poeksploatacyjnych. (2014).
[15] T. Rutkowski, Ocena wpływu podsadzania zrobów zawałowych na obniżenia powierzchni terenu w warunkach górnośląskiego zagłębia węglowego. Główny Instytut Górnictwa, praca doktorska, Katowice, 2019.
[16] R. Ślaski, Warunki zatapiania kopalni „Morcinek”. Materiały konferencyjne SITG Oddział Rybnik. Ochrona środowiska na terenach górniczych podziemnych i odkrywkowych zlikwidowanych zakładów górniczych w subregionie zachodnim województwa śląskiego, (2010).
[17] Subsidence Engineers’ Hand book, National Coal Board Mining Department, 1975.
[18] A. Stanisz, Przystępny kurs statystyki z zastosowaniem STATISTICA PL na przykładach z medycyny (1). Statystyki podstawowe, StatSoft Polska, 2006, Kraków.
[19] P. Strzałkowski, Doszczelnianie zrobów zawałowych a deformacje powierzchni terenu. Materiały Konferencyjne Szkoły Eksploatacji Podziemnej. Centrum Podstawowych Problemów Gospodarki Surowcami Mineralnymi i Energią PAN , 27-40 (1995).
[20] D .N. Whittaker, D.J Reddish, Subsidence. Occurrence, Prediction and Control, 1989 Elsevier, Amsterdam, Oxford, New York, Tokyo.
[21] J . Zhang, Q. Sun, N. Zhou, J. Haiqiang, D. Germain., S. Abro, Research and application of roadway backfill coal mining technology in western coal mining area. Arab J. Geosci. (9:558), 1-10 (2016).
[22] H . Zhu, F. He, S. Zhang, Z. Yang, An integrated treatment technology for ground fissures of shallow coal seam mining in the mountainous area of southwestern China a typical case study. Gospodarka Surowcami Mineralnymi- Mineral Resources Management (34), 119-138 (2018), doi: 10.24425/118641
[23] J. Zych, R. Żyliński, P. Strzałkowski, Wpływ doszczelniania zrobów zawałowych na wielkość deformacji powierzchni. Materiały Konferencji naukowo-technicznej II Dni Miernictwa Górniczego i Ochrony Terenów Górniczych, 307-311 (1993).

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Autorzy i Afiliacje

Andrzej Kowalski

e-mail:

ORCID:

Jan Białek

e-mail:

ORCID:

Tadeusz Rutkowski

e-mail:

ORCID:

Central Mining Institute, 1 Gwarków Sq., 40-166 Katowice, Poland
Silesian University of Technology, 2A Akademicka Str., 44-100 Gliwice, Poland
PGG S.A. KWK Ruda, Ruda Śląska, Poland

8 Internal Mechanism of Asymmetric Deformation and Failure Characteristics of the Roof for Longwall Mining of a Steeply Dipping Coal Seam

Shenghu Luo , Tong Wang , Yongping Wu , Jingyu Huangfu , Huatao Zhao

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 101-124

Słowa kluczowe: steeply dipping seam gangue slip filling deformation failure main roof angle effect

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Abstrakt

Stability control of the roof is the key to safe and efficient mining of the longwall working face for a steeply dipping coal seam. In this study, a comprehensive analysis was performed on the roof destruction, migration, and filling characteristics of a steeply dipping longwall working face in an actual coalmine. Elastic foundation theory was used to construct a roof mechanics model; the effect of the coal seam inclination angle on the asymmetric deformation and failure of the roof under the constraint of an unbalanced gangue filling was considered. According to the model, increasing the coal seam angle, thickness of the immediate roof, and length of the working face as well as decreasing the thickness of the coal seam can increase the length of the contact area formed by the caving gangue in the lower area of the slope. Changes to the length of the contact area affect the forces and boundary conditions of the main roof. Increasing the coal seam angle reduces the deformation of the main roof, and the position of peak deflection migrates from the middle of the working face to the upper middle. Meanwhile, the position of the peak rotation angle migrates from the lower area of the working face to the upper area. The peak bending moment decreases continuously, and its position migrates from the headgate T-junction to the tailgate T-junction and then the middle of the working face. Field test results verified the rationality of the mechanics model. These findings reveal the effect of the inclination coal seam angle on roof deformation and failure and provide theoretical guidance for engineering practice.

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Bibliografia

[1] Y.P. Wu, D.F Yun, P.S. Xie et al., Progress, practice and scientific issues in steeply dipping coal seams fullymechanized mining. J. China Coal Soc. 45 (01):24-34 (2020) (in Chinese).
[2]. Y.P. Wu, B.S. Hu, D Lang et al., Risk assessment approach for rockfall hazards in steeply dipping coal seams. Int. J. Rock Mech. Min. Sci. 138, 104626 (2021). doi: 10.1016/j.ijrmms.2021.104626
[3] D .Y. Zhu, W.L. Gong, Y. Su et al., Application of High-Strength Lightweight Concrete in Gob-Side Entry Retaining in Inclined Coal Seam. Advances in Materials Science and Engineering (2020). doi: 10.1155/2020/8167038
[4] H .W. Wang, Y.P. Wu, J.Q. Jiao et al., Stability Mechanism and Control Technology for Fully Mechanized Caving Mining of Steeply Inclined Extra-Thick Seams with Variable Angles. Mining, Metall. Explor. (2020). doi: 10.1007/ s42461-020-00360-0
[5] R .A. Frumkin, Predicting rock behaviour in steep seam faces (in Russian). International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 20 (1), A12-A13 (1983). doi: 10.1016/0148-9062(83)91717-5
[6] A. Ladenko, Improvements in working steep seams. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 11 (12), 247. (1974). doi: 10.1016/0148-9062(74)92108-1
[7] Z. Rak, J. Stasica, Z. Burtan et al., Technical aspects of mining rate improvement in steeply inclined coal seams: A case study. Resources 9 (12), 1-16 (2020). doi: 10.3390/resources9120138
[8] H .S. Tu, S.H. Tu, C. Zhang et al., Characteristics of the Roof Behaviours and mine pressure manifestations during the mining of steep coal seam. Arch. Min. Sci. 62 (4), 871-890 (2020).
[9] P .S. Xie, Y.P. Wu, Deformation and failure mechanisms and support structure technologies for goaf-side entries in steep multiple seam mining disturbances. Arch. Min. Sci. 64 (3), 561-574 (2019). doi: 10.24425/ams.2019.129369
[10] Z.Y.Wang, L.M. Dou, J. He et al., Experimental investigation for dynamic instability of coal-rock masses in horizontal section mining of steeply inclined coal seams. Arabian Journal of Geosciences 13, 15 (2020). doi: 10.1007/ s12517-020-05753-5
[11] P .S. Xie, Y. Luo, Y.P. Wu et al., Roof Deformation Associated with Mining of Two Panels in Steeply Dipping Coal Seam Using Subsurface Subsidence Prediction Model and Physical Simulation Experiment. Mining, Metall. Explor. 37 (2), 581-591 (2020). doi: 10.1007/s42461-019-00156-x
[12] X.P. Lai, H. Sun, P.F. Shan et al., Structure instability forecasting and analysis of giant rock pillars in steeply dipping thick coal seams. Int. J. Miner. Metall. Mater. 22 (12), 1233-1244 (2015). doi: 10.1007/s12613-015-1190-z
[13] Y.P. Wu, B.S. Hu, P.S. Xie, A New Experimental System for Quantifying the Multidimensional Loads on an on-Site Hydraulic Support in Steeply Dipping Seam Mining. Exp. Tech. 43 (5), 571-585 (2019). doi: 10.1007/s40799-019- 00304-4
[14] Y.D. Zhang, J.Y. Cheng, X.X. Wang et al., Thin plate model analysis on roof break of up-dip or down-dip mining stope. J. Min. Saf. Eng. 27 (4), 487 (2010) (in Chinese).
[15] J.R. Cao, L.M. Dou, G.A. Zhu et al., Mechanisms of Rock Burst in Horizontal Section Mining of a Steeply Inclined Extra-Thick Coal Seam and Prevention Technology. Energies 13 (22), 6043 (2020). doi: 10.3390/en13226043
[16] H .W. Wang, Y.P. Wu, M. Liu et al., Roof-breaking mechanism and stress-evolution characteristics in partial backfill mining of steeply inclined seams. Geomatics, Natural Hazards and Risk 11 (1), 2006-2035 (2020). doi: 10.1080/1 9475705.2020.1823491
[17] S.R. Islavath, D. Deb, H. Kumar, Numerical analysis of a longwall mining cycle and development of a composite longwall index. Int. J. Rock Mech. Min. Sci. 89, 43-54 (2016).
[18] H . Basarir, O.I. Ferid, O. Aydin, Prediction of the stresses around main and tail gates during top coal caving by 3D numerical analysis. Int. J. Rock Mech. Min. Sci. 76, 88-97 (2015). doi: 10.1016/j.ijrmms.2015.03.001
[19] J.A. Wang, J.L. Jiao, Criteria of support stability in mining of steeply inclined thick coal seam. Int. J. Rock Mech. Min. Sci. 82, 22-35 (2016). doi: 10.1016/j.ijrmms.2015.11.008
[20] W.Y. Lv, Y.P. Wu, M. Liu et al., Migration law of the roof of a composited backfilling longwall face in a steeply dipping coal seam. Minerals 9 (3) (2019). doi: 10.3390/min9030188
[21] C.F. Huang, Q. Li, S.G.Tian, Research on prediction of residual deformation in goaf of steeply inclined extra- thick coal seam. PLoS ONE 15, 1-14 (2020). doi: 10.1371/journal.pone.0240428
[22] Y.C. Yin, J.C. Zou, Y.B. Zhang et al., Experimental study of the movement of backfilling gangues for goaf in steeply inclined coal seams. Arabian Journal of Geosciences 11 (12) (2018). doi: 10.1007/s12517-018-3686-0
[23] G .S.P Singh, U.K. Singh, Prediction of caving behavior of strata and optimum rating of hydraulic powered support for longwall workings. Int. J. Rock Mech. Min. Sci. 47, 1-16 (2010).
[24] P .S. Xie, Y.Y. Zhang, S.H. Luo et al., Instability Mechanism of a Multi-Layer Gangue Roof and Determination of Support Resistance Under Inclination and Gravity. Mining, Metall. Explor. 37 (5), 1487-1498 (2020). doi: 10.1007/ s42461-020-00252-3
[25] G .J. Wu, W.D. Chen, S.P. Jia et al., Deformation characteristics of a roadway in steeply inclined formations and its improved support. Int. J. Rock Mech. Min. Sci. 130, 104324 (2020). doi: 10.1016/j.ijrmms.2020.104324
[26] Y.Q. Long, Numerical computation of beam on elastic foundation. People’s Education Press, Beijing (1981).

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Autorzy i Afiliacje

Shenghu Luo

e-mail:

ORCID:

Tong Wang

e-mail:

ORCID:

Yongping Wu

e-mail:

ORCID:

Jingyu Huangfu

e-mail:

ORCID:

Huatao Zhao

e-mail:

ORCID:

Xi’an University of Science and Technology, Department of Mechanics, China
Xi’an University of Science and Technology, School of Energy Engineering, China
Shandong Mining Machinery Group Co., Ltd. China

9 Impacts of Downtimes Mitigation Related to Face Drilling Rigs in Mining Development Cycles

Sebastian Arenas Bermúdez , Cristian Gerardo Zapata Otalora , Jorge Martin Molina Escobar

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 125-132 | DOI: 10.24425/ams.2021.136696

Słowa kluczowe: Availability Utilisation Downtimes Jumbo productivity

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Abstrakt

Underground mining development is directly related to face drilling rig performance. Reducing operating costs and improving productivity are current and crucial topics for mining projects around the world within the development phase. Unlike past approaches, this article is based on variations of equipment availability and utilisation, and their impact on development plans success and costs decrease. To assess the influence of these parameters, daily field data were collected to identify major downtimes in normal cycles and apply adequate corrective measures to mitigate them. Additionally, this article presents the reader with a graphic illustration of the correlation between utilisation and development, including historical data. This paper was developed from October 2017 to March 2018. The result of this study seeks to identify when projects generate profits by comparing four situations with constant productivity, but variables such as the possession rate, maintenance fee, production and utilisation. Finally, it is demonstrated that success in mining projects, related to equipment, is proportional to the utilisation of the fleet, with the correct management of productivities.

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Bibliografia

[1] S. Elevli, B. Elevli, Performance Measurement of Mining Equipments by Utilizing OEE. Acta Montan. Slovaca 15, 95-101 (2010),
[2] C. Hegde, K.E. Gray, Use of machine learning and data analytics to increase drilling efficiency for nearby wells. Journal of Natural Gas Science and Engineering 40, 327-335 (2017). https://doi.org/10.1016/j.jngse.2017.02.019
[3] B . A. Kansake, R. S. Suglo, Impact of Availability and Utilization of Drill Rigs on Production at Kanjole Minerals Limited. International Journal of Science, Environment and Technology 4, 6, 1524-1537.
[3] J. Valivaara, Automated Drilling Features for Improving Productivity and Reducing Costs in Underground Development. Global Trends, 9-11.
[4] B . Samatemba, L. Zhang, Evaluating and optimizing the effectiveness of mining equipment; the case of Chibuluma South underground mine. Journal of Cleaner Production 252 119697 (2020).
[5] D . Henao, MBA thesis, Aplicación de la Metodología Kaizen a las operaciones en la mina en la empresa de explotación de cobre Miner S.A. Universidad Eafit, Escuela de Administración, Medellín (2019).

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Autorzy i Afiliacje

Sebastian Arenas Bermúdez

e-mail:

ORCID:

Cristian Gerardo Zapata Otalora

Jorge Martin Molina Escobar

e-mail:

ORCID:

Universidad Nacional de Colombia, Mines Faculty, Colombia

10 About Some Problems Related to Determination of the E.G. Biot Coefficient for Rocks

Andrzej Nowakowski , Janusz Nurkowski

Archives of Mining Sciences | 2021 | vol. 66 | No 1 | 133-150 | DOI: 10.24425/ams.2021.136697

Słowa kluczowe: poroelasticity Biot medium Biot coefficient effective compressibility modulus rock skeleton compressibility modulus

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Abstrakt

Use of the poroelasticity theory by Biot in the description of rock behaviour requires the value of the e.g. Biot coefficient α to be determined. The α coefficient is a function of two moduli of compressibility: the modulus of compressibility of the rock skeleton Ks and the effective modulus of compressibility K. These moduli are determined directly on the basis of rock compressibility curves obtained during compression of a rock sample using hydrostatic pressure. There is also a concept suggesting that these compressibility moduli might be determined on the basis of results of the uniaxial compression test using the fact that, in the case of an elastic, homogeneous and isotropic material, the modulus of compressibility of a material is a function of its Young modulus and its Poisson ratio. This work compares the results obtained from determination of the Biot coefficient by means of results of compressibility test and uniaxial compression test. It was shown that the uniaxial compression test results are generally unsuitable to determine the value of the coefficient α. An analysis of values of the determined moduli of compressibility shows that whereas the values of effective moduli of compressibility obtained using both ways may be considered as satisfactorily comparable, values of the relevant rock skeleton moduli of compressibility differ significantly.

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Bibliografia

[1] M.A. Biot, General Theory of Three-Dimensional Consolidation. J. Appl. Phys. 12, 155-164 (1941).
[2] M.A. Biot, Theory of elasticity and consolidation for a porous anisotropic solid. J. Appl. Phys. 26, 182-185 (1945).
[3] A. Nur, J.D. Byerlee, An Exact Effective Stress Law for Elastic Deformation of Rock with Fluids. J. Geophys. Res. 76 (26), 6414-6419 (1971).
[4] D . Fabre, J. Gustkiewicz J., Poroelastic Properties of Limestones and Sandstones under Hydrostatic Conditions. Int. J. Rock Mech. Min. Sci. 34 (1), 127-134 (1997).
[5] D . Fabre, J. Gustkiewicz, Influence of rock porosity on the Biot’s coefficient. In: Thismus et al. (eds.), Poromechanics – A Tribute to Maurice A. Biot. Procedings of the Biot Confference on Poromechanics, Louvain-la-Neuve (Belgium), 14-16 September 1998, Balkema, Rotterdam (1998).
[6] J . Gustkiewicz, Compressibility of rocks with a special consideration given to pore pressure. In: Thismus et al. (Eds.), Poromechanics – A Tribute to Maurice A. Biot. Proceedings of the Biot Conference on Poromechanics, Louvain-la-Neuve (Belgium), 14-16 September 1998, Balkema, Rotterdam (1998).
[7] M. Lion, F. Skoczylas, B. Ledésert, Determination of the main hydraulic and poroelastic properties of a limestone from Bourgogne, France. Int. J. Rock Mech. Min. Sci. 41, 915-925 (2004).
[8] J . Gustkiewicz, Objętościowe deformacje skały i jej porów (Volume deformations of the rock and its pores). Arch. Min. Sci. 34 (3), 593-609 (1989) (in Polish).
[9] J . Gustkiewicz, Synoptic view of mechanical behaviour of rocks under triaxial compression. In: Rock at Great Depth. Proceedings International Symposium ISRM-SPE, Pau, 28-31 VIII 1989, V. Maury, D. Fourmaintraux (Eds.), Balkema, Rotterdam, 3-10 (1989).
[10] J .B. Walsh, The effect of cracks on compressibility of rock. J. Geophys. Res. 70, 381-389 (1965).
[11] J .C. Jaeger, N.G.W. Cook, R.W. Zimmerman, Fundamentals of Rock Mechanics. 2007 Blackwell Publishing, Malden-Oxford-Carlton.
[12] H .F. Wang, Theory of Linear Poroelasticity with Applications to Geomechanics and Hydrogeology. 2000 Princeton University Press, Princeton & Oxford.
[13] Z .T. Bieniawski, J.A. Franklin, M.J. Bernede, P. Duffaut, F. Rumpel, T. Horibe, F. Broch, E. Rodrigues, W.E. van Heerden, U.W. Vogler, I. Hansagi, J. Szlavin, B.T. Brady, D.U. Deere, I. Hawkes, D. Milovanovic, Suggested Methods for Determining the Uniaxial Compressive Strength and Deformability of Rock Materials. Int. J. Rock Mech. Min. Sci. & Geomech. Abstr. 16 (2), 135-140 (1979).
[14] K . Kovári, A. Tisa, H.H. Einstein, J.A. Franklin, Suggested Methods for Determining the Strength of Rock Materials in Triaxial Compression: Revised Version. Int. J. Rock Mech. Min. Sci. & Geomech. Abstr. 20 (6), 283-290 (1983).
[15] M. Długosz, J. Gustkiewicz, A. Wysocki, Apparatus for investigation of rock in three-axial state of stress. Part I. Characteristics of the apparatus and of the investigation method. Arch. Min. Sci. 26 (1), 17-28 (1981).
[16] M. Długosz, J. Gustkiewicz, A. Wysocki, Apparatus for investigation of rock in three-axial state of stress. Part II. Some investigation results concerning certain rocks. Arch. Min. Sci. 26 (1), 29-41 (1981).
[17] J . Nurkowski, An inductive strain sensor for operation in high pressure environments. Int. J. Rock Mech. Min. Sci. & Geomech. Abstr. 41, 175-180 (2004).
[18] R . Ulusay, J.A. Hudson (Eds.), Suggested Methods for Determining the Uniaxial Compressive Strength and Deformability of Rock Materials. In: The Complete ISRM Suggested Methods for Rock Characterization, Testing and Monitoring: 1974-2006, 2007 Kozan Ofset Matbaacilik San. Ve Tic. Sti., Ankara.
[19] R. Přikryl, J. Prikrylová, M. Racek, Z. Weishauptová, K. Kreislová, Decay mechanism of indoor porous opuka stone: a case study from the main altar located in the St. Vitus Cathedral. Environmental Earth Sciences 76 (2017).
[20] J . Rychlewski, Note on the beginning of plastic deformation in a body under uniform pressure. Archives de Mécanique Appliquée 17 (3), 405-412 (1965).

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Autorzy i Afiliacje

Andrzej Nowakowski

e-mail:

ORCID:

Janusz Nurkowski

e-mail:

ORCID:

Strata Mechanics Research Institute of the Polish Academy of Science, 27 Reymonta Str., 30-059 Kraków, Poland

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Journals:

[1] L.B. Magalas, Development of High-Resolution Mechanical Spectroscopy, HRMS: Status and Perspectives. HRMS Coupled with a Laser Dilatometer . Arch. Metall. Mater. 60 (3), 2069-2076 (2015). DOI: https://doi.org/10.1515/AMM-2015-0350

[2] E. Pagounis, M.J. Szczerba, R. Chulist, M. Laufenberg, Large Magnetic Field-Induced Work output in a NiMgGa Seven-Lavered Modulated Martensite. Appl. Phys. Lett. 107, 152407 (2015). DOI: https://doi.org/10.1063/1.4933303

[3] H. Etschmaier, H. Torwesten, H. Eder, P. Hadley, Suppression of Interdiffusion in Copper/Tin thin Films. J. Mater. Eng. Perform. (2012). DOI: https://doi.org/10.1007/s11665-011-0090-2.

Books:

[4] K.U. Kainer (Ed.), Metal Matrix Composites, Wiley-VCH, Weinheim (2006).

[5] K. Szacilowski, Infochemistry: Information Processing at the Nanoscale, Wiley (2012).

[6] L. Reimer, H. Kohl, Transmission Electron Microscopy: Physics of Image Formation, Springer, New York (2008).

Proceedings or chapter in books with editor(s):

[7] R. Major, P. Lacki, R. Kustosz, J. M. Lackner, Modelling of nanoindentation to simulate thin layer behavior, in: K. J. Kurzydłowski, B. Major, P. Zięba (Eds.), Foundation of Materials Design 2006, Research Signpost (2006).

Internet resource:

[8] https://www.nist.gov/programs-projects/crystallographic-databases, accessed: 17.04.2017

Academic thesis (PhD, MSc):

[9] T. Mitra, PhD thesis, Modeling of Burden Distribution in the Blast Furnace, Abo Akademi University, Turku/Abo, Finland (2016).

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