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Abstract

The present overview of current Christian-Jewish dialogue shape firstly specifes the dialogue and its partners concept meaning applied to the relations between religious societies. It draws our attention to the polarisations within the Christianity and Judaism as well as to the differencies in dialogue advancement between bodies keeping the dialogue and the general public. It points out the different motivation prompting Jews and Christians to keep the dialogue and the infuence of this on understanding the sense, the choice of its representatives and the theme of the dialogue.

The deepening mutual cognition along with the growing awareness of both; chances and limits of consensus in the dialogue, are indicated among the previous achievements. From the side of the catholic church, irreversible will of the dialogue along with the appropriate directions of doctrinal clarifcations of the Church Teaching are strongly emphasized.

The theological questions are raised that on the Christian side develop from the acknowledgment of irremovability of the covenant between God and Israel. The questions refer to the contemporary situation and the eschatological perspective of existence of two communities considering themselves as continuation of the covenant between God and Abraham, as well as their relation towards Israel Land. The article at its conclusion stipulates the deepening of the awareness of the mystery whenever resuming the religious topics in the dialogue.

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Authors and Affiliations

Ks. Łukasz Kamykowski
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Abstract

Several previous investigations on failure of a certain type lattice girders railway bridge (on so called BJD line) have not convincingly explained reasons nor have they described potential hazards. This paper attempts to provide an answer, employing static, dynamic, and fatigue analysis of the structure, focusing on previously not analyzed vibrations of elements constituting a lattice node. Detailed models of two types of such nodes – damaged and non- damaged were compared, inside carefully defined limits of applicability.

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Authors and Affiliations

S. Pradelok
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Abstract

The paper presents the results of experimental investigations performed by the authors on the casting position factor. It was proved that at the height of reinforced concrete elements there are different bond conditions. Moreover, the bond depends on concrete mechanical properties, element height as well as concrete mix composition and consistency. The experiments also showed the advisability of determining the casting position factor separately for bars from normal concrete and those from high–performance concrete (HPC). The analysis of investigation results has shown that “good” bond conditions are a relative concept and depend on, among other things, element height. The higher the element the better the concrete to lower bars bond. Consequently, elements of considerable height (higher than 600 mm) demonstrate a bigger difference between concrete to upper bars bond and concrete to lower bars bond.

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Authors and Affiliations

Piotr Dybeł
Kazimierz Furtak
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Abstract

This article presents the results of investigating the influence of tooth contact ratio in helical cylindrical gears on vibroactivity of the gearbox. Based on the measurements carried out on a laboratory test stand, time-domain and frequency-domain start-up characteristics of vibrations and acoustic pressure were determined, and vibroactivity was assessed for a gearbox in which 4 pairs of gears were successively mounted with different face contact ratios equal to, respectively, epsilon beta=1,001; 1,318; 1,574; 2,636.

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Authors and Affiliations

Tomasz Figlus
Andrzej Wilk
Henryk Madej
Bogusław Łazarz

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