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Evaluation of a proposed damage index for a set of earthquakes

机译:评估一组地震的拟议破坏指数

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摘要

A damage index computed for a set of ground motions recorded in 11 earthquakes, including the 1985 Mexico City earthquake, the 2010 Chile earthquake, the 2011 Christchurch earthquake, and the 2011 Great East Japan earthquake, is proposed in this paper. The proposed damage index uses some basic parameters of the response of an SDOF system including the maximum hysteretic energy per unit mass that a structure can dissipate under strong ground motions. Control of lateral displacements, especially roof drift ratio of buildings, was found to be important in minimizing seismic damage. The values and distribution of the computed damage index are consistent with global building damage observations for the selected earthquakes. Copyright (c) 2014 John Wiley & Sons, Ltd.
机译:本文提出了针对在11次地震(包括1985年墨西哥城地震,2010年智利地震,2011年克赖斯特彻奇地震和2011年东日本大地震)中记录的一组地面运动计算的破坏指数。拟议的破坏指数使用了SDOF系统响应的一些基本参数,包括结构在强地面运动下可以消散的每单位质量的最大磁滞能量。人们发现,控制横向位移,尤其是建筑物的屋顶漂移率,对于最大程度地减少地震破坏很重要。计算得出的破坏指数的值和分布与所选地震的全球建筑物破坏观测值一致。版权所有(c)2014 John Wiley&Sons,Ltd.

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