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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 83
PROCEEDINGS OF THE EIGHTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by: B.H.V. Topping, G. Montero and R. Montenegro
Paper 247
Post-Seismic Structural Damage Evaluation: An Integrated Probabilistic Proposal A. Mébarki
Laboratory of Mechanics, University of Marne-la-Vallée, France , "Post-Seismic Structural Damage Evaluation: An Integrated Probabilistic Proposal", in B.H.V. Topping, G. Montero, R. Montenegro, (Editors), "Proceedings of the Eighth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 247, 2006. doi:10.4203/ccp.83.247
Keywords: earthquakes, seismic damage, reliability, probability of failure, risk maps, structures.
Summary
In order to quantify the damage that structures may have suffered during an earthquake, a
new probabilistic proposal is developed in this paper. Each country has its own
sheet evaluation for its structures. Once an earthquake has occurred, the engineers complete
these sheets, for each structure inspected, and take technical decisions regarding its
supposed ability to resist loads and future quakes. The author develops a new integrated
methodology to assess the residual mechanical reliability in the case of masonry structures
that suffered earthquakes. This new methodology may be very helpful in the few hours or
days that follow an earthquake. Actually, evaluation sheets are usually filled by the
engineers in order to evaluate the damage level that affects the structures inspected. Based
on expert knowledge and engineering feedbacks, these sheets require the evaluation of
several parameters that are supposed to govern the mechanical resistance of the structures.
The engineer in charge of this evaluation has therefore to define final and global mechanical
damage. A decision is then taken: evacuate and demolish the construction in the case of very
serious damage, evacuate until the structure is strengthened in case of medium damage, and
slight repair in case of very slight damage. In various countries, the engineer inspecting the
structure classifies finally the structure into five categories:
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