Seismic Collapse Assessment of Reinforced Concrete Buildingby Jumin Shen, Tsinghua Univ, Beijing, China,
Abstract: In this paper collapse analysis of reinforced concrete frame structures with and without brick infilled walls under a severe earthquake is developed. Because the structural element in the descending branch may make the structure to come into unstable state, earthquake response of the structure in the unstable state should be greatly different from the normal elasto-plastic response. It is necessary to consider the unstable state in order to assess accurately collapse of a structure during a severe earthquake. In this paper the influence of multi-seismic action on the performance of a structure with consideration of effect of accumulative damage is also discussed.
Subject Headings: Reinforced concrete | Concrete structures | Earthquakes | Material failures | Structural failures | Concrete frames | Structural analysis | Seismic tests
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