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Assessing the structural safety of underground frame structures subjected to fire loading

 Assessing the structural safety of underground frame structures subjected to fire loading
Author(s): , , , ,
Presented at IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013, published in , pp. 120-121
DOI: 10.2749/222137813806474453
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A nonlinear analysis tool to assess the structural safety of underground frame structures under fire loading is presented. The material and numerical model is validated by comparison of the numeric...
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Bibliographic Details

Author(s):




Medium: conference paper
Language(s): English
Conference: IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013
Published in:
Page(s): 120-121 Total no. of pages: 6
Page(s): 120-121
Total no. of pages: 6
Year: 2013
DOI: 10.2749/222137813806474453
Abstract:

A nonlinear analysis tool to assess the structural safety of underground frame structures under fire loading is presented. The material and numerical model is validated by comparison of the numerical results with experimental data from large-scale fire experiments. Benchmark examples (real tunnel cross-sections) are analyzed, illustrating the advantages of the nonlinear over a linear-elastic analysis regarding an economic reinforcement design as well as the realistic prediction of the deformation behavior. Future work focuses on introduction of the realistic, nonlinear analysis tool in engineering practice as well as in design guidelines.

Keywords:
non-linear analysis concrete frame structures fire loading structural safety assessment