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Fire performance of earthquake-damaged reinforced-concrete structures

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Abstract

A full-scale reinforced-concrete (RC) three-dimensional (3-D) frame under vertical sustained loads has been subjected to biaxial lateral loads representing earthquake actions followed by a pool fire in a single compartment. A number of sensors were used to monitor the kinematic and thermal fields during the test. The results (strains, displacements and temperatures) provide valuable information about an earthquake-damaged RC structure subjected to fire in the fully developed and decay stages. The thermal field is observed to be non-uniform within the compartment on fire, in contrast to the uniform thermal field assumption (as often adopted and suggested in codes). The earthquake-damaged frame subjected to fire was found to resist the applied vertical loads, despite the reduction in its residual capacity to about one-third of the original value.

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Acknowledgments

This work was funded by a research grant from the Board of Research in Nuclear Sciences (BRNS), Mumbai.

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Authors and Affiliations

  1. Department of Civil Engineering, Indian Institute of Technology, Roorkee, India

    Asif H. Shah, U. K. Sharma, Praveen Kamath & Pradeep Bhargava

  2. Reactor Safety Division, Bhabha Atomic Research Centre, Mumbai, India

    G. R. Reddy & Tarvinder Singh

Authors
  1. Asif H. Shah
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  2. U. K. Sharma
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  3. Praveen Kamath
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  4. Pradeep Bhargava
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  5. G. R. Reddy
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  6. Tarvinder Singh
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Correspondence to Asif H. Shah.

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Shah, A.H., Sharma, U.K., Kamath, P. et al. Fire performance of earthquake-damaged reinforced-concrete structures. Mater Struct 49, 2971–2989 (2016). https://doi.org/10.1617/s11527-015-0699-y

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  • DOI: https://doi.org/10.1617/s11527-015-0699-y

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