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Damage Assessment for Reinforced Concrete Buildings with Shear Walls

by Maw-Shyong Sheu, Natl Cheng-Kung Univ, Tainan, Taiwan,
Wen-Te Chang, Natl Cheng-Kung Univ, Tainan, Taiwan,



Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation

Abstract:

This paper tries to establish the analytical method of damage assessment for R.C. buildings with shear walls before or after earthquake. Incremental nonlinear spectrum analysis, using site acceleration spectrum, is employed to assess the response and collapse peak ground acceleration under earthquake. During incremental analysis, the material and geometric nonlinearities are considered. The natural frequencies, floor deflections, damaged locations and failure modes are recorded in every step of analysis. Two specimens of shaking table test and four actual buildings seriously damaged after Hualan Earthquake 1986 and 1990 are used to check the analytical results. It turns out reasonable aseismic diagnosis of the proposed theoretical analysis.

Subject Headings: Shear walls | Failure analysis | Reinforced concrete | Earthquakes | Risk management | Nonlinear analysis | Damage (structural)

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