Assessment of seismic pounding hazard for Taipei City

被引:74
作者
Jeng, V [1 ]
Tzeng, WL [1 ]
机构
[1] Natl Taiwan Univ Sci & Technol, Dept Construct Engn, Taipei 10672, Taiwan
关键词
seismic separation; structural damage; survey; building; dynamic analysis; damage evaluation;
D O I
10.1016/S0141-0296(98)00123-0
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Taipei City, with its high seismicity, soft soil condition, and many tall buildings without proper seismic separation, is vulnerable to seismic pounding destruction similar to that occurred in Mexico City during the 1985 earthquake. A survey of the seismic separation is performed to reveal the current status and identify the buildings susceptible to pounding damage. Dynamic pounding analyses of model frame structures are also conducted to obtain the story shear amplification. From the computed story shear amplification, the measured gap, and the relative position of the buildings, a damage index is assigned for each building and compared with a proposed damage criterion based on story shear amplification to define its damage level. The conclusion is that pounding mitigation is urgently needed for a large number of existing buildings. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:459 / 471
页数:13
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