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The estimated quantities of building demolition waste

A. Sobotka J. Sagan A. Radziejowska
Archives of Civil Engineering | 2019 | Vol. 65 | No 1 | 49-63
Keywords demolition waste estimate models concrete waste sustainable construction
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Abstract

The aim of the article is to analyze existing foreign experiences presented in the literature in the field of estimating demolition waste and their applicability in Poland condition. Using the case study method for more than a dozen objects, the authors prove the necessity to verify the suitability of the proposed models in relation to regional conditions (e.g. climatic conditions, local technologies, etc.). The amount of concrete waste from demolition of objects made in the analyzed technology is characterized by a low coefficient of variation, especially in the case of public facilities and is only 10%. However, in the case of residential buildings, the volatility was 16,7%. The calculated average index of concrete waste was compared with the two literature models. The results obtained differ from the values obtained from the models. Based on an analysis of the advantages and disadvantages of the selected models and their assumptions, a proposal has been formulated for the development of an effective tool for estimating demolition waste taking into account regional specific conditions together with the concept of sustainable construction. The focus was on waste from demolition of concrete objects.

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Authors and Affiliations

A. Sobotka
J. Sagan
A. Radziejowska

Assessment of large-panel prefabricated buildings in the social aspect of sustainable construction

Aleksandra Radziejowska Anna Sobotka
Archives of Civil Engineering | 2021 | vol. 67 | No 3 | 93-108 | DOI: 10.24425/ace.2021.138045
Keywords sustainable construction social assessment large-panel prefabricated buildings operation
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Abstract

A comprehensive assessment of buildings in accordance with the concept of sustainable development requires their analysis in three economic, environmental and social aspects. J It is a multi-criteria assessment, which takes into account many factors and their significance for the purpose of this assessment. Due to the complexity of this assessment, it can be performed due to a particular aspect, and the result obtained is a component of the global quality indicator as an additive function. The article presents the results of research conducted in large-panel buildings (LPB) enabling their assessment due to the social aspect. It is particularly important in the assessment of residential buildings, and the existing large resources of LPB are the basis for choosing them for such assessment According to the PN-EN 16309 + A1: 2014-12 standard, during conducting a social assessment of buildings, six main categories should be taken into account, which include: accessibility, adaptability, health and comfort, impact on the neighborhood, maintenance and maintainability, safety and security. The presented data was obtained as a result of the analysis of the features of selected buildings from the “large panel” located in housing estates in Cracow and Jędrzejów using a computer application. It is based on a mathematical model that was developed as part of a doctoral dissertation.
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Bibliography


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Authors and Affiliations

Aleksandra Radziejowska
1
ORCID: ORCID
Anna Sobotka
1
ORCID: ORCID
  1. AGH University of Science and Technology in Cracow, Department of Geomechanics, Civil Engineering and Geotechnics, Av. Mickiewicza 30, 30-059 Cracow, Poland

Application of Glued Laminated Timber Structures in Office Buildings

Aleksander Janicki
Teka Komisji Urbanistyki i Architektury Oddziału Polskiej Akademii Nauk w Krakowie | 2022 | vol. L | 295-309 | DOI: 10.24425/tkuia.2022.144854
Keywords carbon dioxide emissions sustainable construction glued laminated timber office building
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Abstract

Due to the ongoing climate change, the issues currently in focus are the reduction of CO2 emissions into the atmosphere and sustainable construction. The search for ecological alternatives to traditional building structures that will reduce a building’s carbon footprint seems to be a desirable direction of modern construction development. At present, the first projects of office buildings that use cross-laminated timber as the main construction material are being completed, which can have a positive impact not only on the environment but also on the users of the building.
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Authors and Affiliations

Aleksander Janicki
1
ORCID: ORCID
  1. Cracow University of Technology, Faculty of Architecture

Risk of interstitial condensation in outer walls made of hemp-lime composite in Polish climatic conditions

Michał Gołębiewski Barbara Pietruszka
Archives of Civil Engineering | 2021 | vol. 67 | No 4 | 107-121 | DOI: 10.24425/ace.2021.138489
Keywords hemp-lime composite hempcrete sustainable construction thermal conductivity vapor permeability interstitial condensation
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Abstract

The present paper presents results of a study on hemp-lime composite – a novel building material which is gaining attention thanks to its pro-ecological values, as well as interesting hygrothermal characteristics. The thermal conductivity and vapour permeability tests were performed on composites which varied in terms of composition and density as a result of use of various binders, different proportions of ingredients in a mixture and different compaction level during manufacturing with the use of the tamping method. The results obtained, indicating low thermal conductivity and very high vapor permeability, were tabulated with results of compressive strength obtained in the previous study on the same types of composites. The conclusions emphasise supreme importance of apparent density on properties of material, rather than binder composition – which exerts a significant effect only on compressive strength. The results of the performed tests were applied for determination of external walls’ construction, which were subjected to analysis of risk of interstitial water vapor condensation according to Glaser method. For locations in all Polish climatic zones, no condensation or only a small amount thereof, in which case it does not accumulate in subsequent years, was found.
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Authors and Affiliations

Michał Gołębiewski
1
Barbara Pietruszka
2
  1. Warsaw University of Technology, Faculty of Architecture, ul. Koszykowa 55, 00-659 Warsaw, Poland
  2. Building Research Institute, Department of Thermal Physics, Acoustics and Environment, ul. Ksawerów 21, 00-656 Warsaw, Poland

Building Vertical Extensions and Increasing Housing Stock in Cities: Review of Selected European Research

Zuzanna Napieralska Shady Attia
Teka Komisji Urbanistyki i Architektury Oddziału Polskiej Akademii Nauk w Krakowie | 2023 | vol. LI | 321-338 | DOI: 10.24425/tkuia.2023.148981
Keywords sustainable construction sustainable city development building vertical extension roof stacking residential architecture compact city urban densify
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Abstract

This paper presents the issue of the vertical extension of buildings, mainly residential, as an element of sustainable housing policy of European cities. This type of construction project allows for the acquisition of additional residential space, using the existing technical infrastructure, and also not deepening the effect of urban sprawl. Vertical extensions allow for the construction of new apartments in urban areas, being one of the forms of densifying the existing buildings. The study reviews research on the subject of vertical building extensions, trying to answer the research questions posed: how and with the use of which building analysis tools it is possible to improve the process of vertical extension, so that it can become an actual element of the housing policy of cities. Three original studies were selected for the analysis: from Germany, Belgium and England, which met the criteria set by this study, presenting a universal scheme of action for vertical extensions, not treating them as incidental, individual construction intervention, and treating vertical extensions as an element of systemic action for the acquisition of new apartments. The selected studies are carried out in countries economically and culturally similar to Poland, which was also one of the selection criteria. The study is also to be a voice in the discussion on the possibility of the vertical extension of residential buildings as an element of housing policy in Poland.
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Authors and Affiliations

Zuzanna Napieralska
1
ORCID: ORCID
Shady Attia
2
ORCID: ORCID
  1. Wrocław University of Science and Technology Faculty of Architecture
  2. Sustainable Architecture & Building Technology Head of Sustainable Building Design Lab University of Liège

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