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Wyświetlanie 1-3 z 3
Tytuł:
Dome over the Gdynia seaport building
Autorzy:
Godycki-Ćwirko, T.
Nagrodzka-Godycka, K.
Piotrkowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/230776.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
konstrukcja żelbetowa
kopuła
przekrycie
żebro
stan techniczny
analiza wytrzymałościowa
reinforced concrete structure
dome
shell
rib
technical condition
strength analysis
Opis:
The paper presents the description of structure and the selected problems of the technical condition, as well as the strength analysis of the thin-walled reinforced concrete shell which has been making a covering of the main hall of the Gdynia Seaport Building through the last 80 years. The rectangle projection of four single curvature shells of the dome was shaped out of mutual perpendicular intersection of two cylindrical shells. The analysis of the state of stress and deformations was carried out using the special model worked out in MES considering the combination of loads, the thermal ones included. For the long lasting loads (the deadweight of the dome), the computed results of static quantities were confronted with analytical results obtained according to F. Dischinger’s method. This method had been applied by the DYWIDAG Company in Berlin and its branch in Katowice (Poland) who designed the Gdynia Dome. The computational analysis and the assessment of the technical state, along with laboratory pH tests of concrete, made it possible to carry out the overall evaluation of durability and safety of operation of the Gdynia Seaport Dome through the next decades.
Źródło:
Archives of Civil Engineering; 2014, 60, 2; 223-239
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigating the factor of safety for the design of columns using properties of steel rebarsmanufactured in Pakistan
Autorzy:
Abbas Zaidi, Safdar
Arsalan Saeed, Muhannad
Haider, Farhan
Powiązania:
https://bibliotekanauki.pl/articles/230463.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
współczynnik redukcji wytrzymałości
analiza wytrzymałościowa
obciążenie momentem
interakcja
słup żelbetowy
strength reduction factor
strength analysis
moment load
interaction
reinforced concrete column
Opis:
This paper includes the behaviour of RC column, using the steel strength data employed by Rafi et al. (2014). Eccentric short columns are studied for this purpose, both tension and compression controlled sections, are analysed considering the current design practice of Pakistan. Three cross sections were analysed using different steel percentages against load-moment interaction and the strength analyses. Concrete strength is also varied in this analysis. The load moment interaction diagrams were observed in major and minor axes and strength analysis is made for compression controlled and tension controlled sections. In this analysis it is observed that a section designed as a tension controlled is giving brittle failure at certain limit which should be avoided. Considering this scenario, several random cross sections are analysed, strength reduction factors for eccentric and pure axial columns are computed. Conclusions are made on behalf of this analysis for different types of column design.
Źródło:
Archives of Civil Engineering; 2020, 66, 3; 191-208
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigating the factor of safety for the design of columns using properties of steel rebar’s manufactured in Pakistan
Autorzy:
Zaidi, Safdar Abbas
Saeed, Muhammad Arsalan
Haider, Farhan
Powiązania:
https://bibliotekanauki.pl/articles/1849760.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
współczynnik redukcji wytrzymałości
analiza wytrzymałościowa
interakcja
moment obciążenia
pręt stalowy
słup
strength reduction factor
strength analysis
load moment
interaction
steel rebar
column
Opis:
This paper includes the behaviour of RC column, using the steel strength data employed by Rafi et al. (2014). Eccentric short columns are studied for this purpose, both tension and compression controlled sections, are analysed considering the current design practice of Pakistan. Three cross sections were analysed using different steel percentages against load-moment interaction and the strength analyses. Concrete strength is also varied in this analysis. The load moment interaction diagrams were observed in major and minor axes and strength analysis is made for compression controlled and tension controlled sections. In this analysis it is observed that a section designed as a tension controlled is giving brittle failure at certain limit which should be avoided. Considering this scenario, several random cross sections are analysed, strength reduction factors for eccentric and pure axial columns are computed. Conclusions are made on behalf of this analysis for different types of column design.
Źródło:
Archives of Civil Engineering; 2020, 66, 4; 61-78
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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