Evaluation of safety formats for non-linear finite element analyses of statically indeterminate concrete structures subjected to different load paths
Journal article, 2016

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.

non-linear finite element analysis

fib Model Code 2010

safety formats

first-order reliability method

response surface

reinforced concrete frame


Mattias Blomfors

Chalmers, Civil and Environmental Engineering, Structural Engineering

M. Engen

Norwegian University of Science and Technology (NTNU)

Mario Plos

Chalmers, Civil and Environmental Engineering, Structural Engineering

Structural Concrete

1464-4177 (ISSN)

Vol. 17 1 44-51

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Building Futures (2010-2018)

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Infrastructure Engineering

Other Civil Engineering

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