Seismic Resilience Evaluation of Railway Station Building Considering Strong Seismic Influence of Near-Fault

被引：0
|
作者：
Pan Y. [1 ,2 ]
Song J. [1 ]
Bao Y. [1 ]
Shen Y. [3 ]
Chen Q. [3 ]
机构：
[1] School of Civil Engineering, Southwest Jiaotong University, Chengdu
[2] Key Laboratory of Seismic Engineering of Sichuan Province, Chengdu
[3] China Railway Eryuan Engineering Group Co., Ltd., Chengdu
来源：
Zhongguo Tiedao Kexue/China Railway Science | 2022年 / 43卷 / 06期
关键词：
Near-fault seismic design spectrum; Railway station building; Seismic resilience evaluation; Seismic resilience level; Strong earthquake of near-fault;
D O I：
10.3969/j.issn.1001-4632.2022.06.02
中图分类号：
学科分类号：
摘要：
Some railway station buildings are built in high-intensity seismic regions and close to seismic fault zones due to the restrictions on railway route selection. In order to master the ability of the railway station building to maintain and restore its original functions under the strong seismic action of near-fault, a typical railway station building was selected as the research object and the seismic resilience evaluation of the railway station building considering the strong seismic influence of near-fault was carried out. Firstly, the seismic structure of railway station building was designed based on the near-fault design spectrum and the standard seismic design spectrum, respectively. Then, 24 sets of near-fault ground motions were selected, and the numerical model of railway station building was established. Finally, according to the characteristics of the railway station building structure, the seismic resilience evaluation of the railway station building was carried out considering the strong seismic impact of near-fault. The results show that under the action of the rare earthquake of degree 8, the repair cost for the railway station building considering the strong seismic influence of near-fault is 8.8282 million yuan, the repair time takes 21.20 d, the injury rate is 1.25×10-4, and the death rate is 1.25×10-5. The figures are all lower than those of the railway station building designed without considering the influence. The seismic resilience level of the railway station building considering the strong seismic influence of near-fault rates two stars, while the level without considering the influence only rates one star. Therefore, it is suitable to adopt the near-fault design spectrum for railway station building design in near-fault zone. This is to consider the negative strong seismic influence of near-fault and to improve the seismic resilience level of railway station buildings. © 2022, Editorial Department of China Railway Science. All right reserved.
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页码：9 / 19
页数：10
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