[1]王会.地震波冲击下高层建筑震害危险性评估模型分析[J].华南地震,2020,40(04):146-151.[doi:10.13512/j.hndz.2020.04.020]
　WANG Hui.Analysis of Seismic Hazard Assessment Model of High-rise buildings under Seismic Wave Impact[J].,2020,40(04):146-151.[doi:10.13512/j.hndz.2020.04.020]
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地震波冲击下高层建筑震害危险性评估模型分析()
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华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2020年04期
页码:
146-151
栏目:
土木工程防震减灾
出版日期:
2020-12-30

文章信息/Info

Title:
Analysis of Seismic Hazard Assessment Model of High-rise buildings under Seismic Wave Impact
文章编号:
1001-8662（2020）04-00146-006
作者:
王会
连云港职业技术学院,江苏 连云港 222000
Author(s):
WANG Hui
Lianyungang Technical College,lianyungang 222000,China
关键词:
地震波冲击; 高层建筑; 震害; 危险性评估; 峰值加速度; 破坏指数
Keywords:
Seismic wave impact; High-rise buildings; Earthquake damage; Risk assessment; Peak acceleration; Damage index
分类号:
P315.9
DOI:
10.13512/j.hndz.2020.04.020
文献标志码:
A
摘要:
震害危险性评估是城市抗震防灾规划的主要工作之一,设计地震波冲击下高层建筑震害危险性评估模型。选取上海市某27层建筑物为评估对象,获取建筑详细信息；以加速度峰值为输入地震波的地震动无量纲化指标,利用地震动反应谱计算有效峰值加速度等地震动峰值参数。将评估对象的详细信息和不同工况条件下地震波组合输入Abaqus软件中,利用震害危险性指数定性描述高层建筑在地震波冲击下的破坏程度。优化主震、余震地震波下高层建筑结构震害危险性指数和主震、余震峰值加速度之间相关性的回归模型,构建震害危险性评估模型,并分析主震地震烈度、主震地震波冲击下高层建筑破坏指数等四个模型影响因子。将震害危险性指数与震害危险等级相结合,用无危险、轻度危险、中度危险、重度危险和极度危险五个等级描述地震波冲击下高层建筑震害危险性。实验结果显示该模型评估精度与评估效率均优于对比模型。
Abstract:
Seismic hazard assessment is one of the main tasks in urban seismic disaster prevention planning. A 27-story building in Shanghai was selected as the evaluation object to obtain the detailed information of the building. Taking the peak acceleration as the dimensionless index of the input seismic wave,the effective peak acceleration and other peak parameters of the ground motion are calculated by using the response spectrum of the ground motion. The detailed information of the evaluation object and the seismic wave combination under different working conditions were input into Abaqus software,and the seismic hazard index was used to qualitatively describe the damage degree of high-rise buildings under the seismic wave impact. The regression model of the correlation between the seismic hazard index of high-rise buildings under main earthquake and aftershock seismic waves and the peak acceleration of main earthquake and aftershock was optimized,the seismic hazard assessment model was constructed,and the influence factors of the four models,including the intensity of main earthquake and the damage index of high-rise buildings under main earthquake waves,were analyzed. Combining the risk index of earthquake damage with the risk level of earthquake damage,five levels of no risk,mild risk,moderate risk,severe risk and extreme risk were used to describe the risk of earthquake damage of high-rise buildings under the impact of seismic waves. Experimental results show that the accuracy and efficiency of the model are better than the comparison model.

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备注/Memo

备注/Memo:
收稿日期: 2019-05-10
作者简介:王会（1982- ）,男,硕士,副教授,主要从事建筑结构,建筑信息化BIM技术研究。
E-mail: wh0603@126.com
更新日期/Last Update: 2020-12-20