Evaluation of safety formats for non-linear finite element analyses of statically indeterminate concrete structures subjected to different load paths

被引：19
|
作者：
Blomfors, Mattias [1 ]
Engen, Morten [2 ,3 ]
Plos, Mario [4 ]
机构：
[1] Chalmers, Dept Civil & Environm Engn, Struct Engn, Sven Hultins Gata 8, S-41258 Gothenburg, Sweden
[2] Norwegian Univ Sci & Technol, Dept Struct Engn, Rich Birkelandsvei 1A, N-7491 Trondheim, Norway
[3] Multiconsult AS, Postboks 265 Skoyen, N-0213 Oslo, Norway
[4] Chalmers, Div Civil & Environm Engn, Struct Engn, Sven Hultins Gata 8, S-41258 Gothenburg, Sweden
来源：
STRUCTURAL CONCRETE | 2016年 / 17卷 / 01期
关键词：
reinforced concrete frame; non-linear finite element analysis; safety formats; response surface; first-order reliability method; fib Model Code 2010; REINFORCED-CONCRETE; RELIABILITY; DESIGN;
D O I：
10.1002/suco.201500059
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
To increase the efficiency of new structures and perform safety evaluations of existing structures, it is necessary to model and analyse the non-linear behaviour of reinforced concrete. The applicability of the safety formats in present design codes is unclear for indeterminate structures subjected to loading in several directions. The safety formats in fib Model Code 2010 have been evaluated for a reinforced concrete frame subjected to vertical and horizontal loading and the influence of load history studied. Basic reliability methods were used together with response surfaces to assess the failure probabilities and one safety format did not meet the intended safety level. The results indicate the importance of load history and it is concluded that more research is required regarding how load history influences the safety level of complex structures.
引用
收藏
页码：44 / 51
页数：8
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