[1]李文俊,曲哲,孙海林,等.损失分布和非结构损失对房屋建筑地易损性的影响[J].世界地震工程,2021,(04):109-121.
 LI Wenjun,QU Zhe,SUN Hailin,et al.Influence of loss distribution and non-structural loss on the seismic vulnerability of buildings[J].,2021,(04):109-121.
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损失分布和非结构损失对房屋建筑地易损性的影响
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2021年04期
页码:
109-121
栏目:
出版日期:
2021-11-06

文章信息/Info

Title:
Influence of loss distribution and non-structural loss on the seismic vulnerability of buildings
作者:
李文俊12 曲哲12 孙海林3 熊政辉14
1. 中国地震局工程力学研究所, 黑龙江 哈尔滨 150080;
2. 中国地震局地震工程与工程振动重点试验室, 河北 三河 065201;
3. 中国建筑设计研究院有限公司, 北京 100044;
4. 中国再保险(集团)股份有限公司博士后工作站, 北京 100033
Author(s):
LI Wenjun12 QU Zhe12 SUN Hailin3 XIONG Zhenghui14
1. Institute of Mechanical Engineering, China Earthquake Administration, Harbin 150080, China;
2. KeyLaboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, Sanhe 065201, China;
3. China Architecture Design&Research Group, Beijing 100044, China;
4. Postdoctoral Workstation of China Reinsurance(Group) Corporation, Beijing 100033, China
关键词:
非结构构件地震易脆性地震易损性直接经济损失可修性成本分解学校建筑
Keywords:
nonstructural componentseismic fragilityseismic vulnerabilitydirect economic lossrepairabilitycost breakdownschool building
分类号:
TU399
摘要:
房屋建筑的地震易损性是地震损失评估和地震巨灾风险模型的基础。作为房屋建筑的重要组成部分,各类非结构构件的损失在现有的易损性模型中并未得到足够重视。本文以一栋典型钢筋混凝土框架结构教学楼为对象,通过将房屋建筑中的各类构件划分为具有不同地震损伤特性和损失后果的易损性组,考察建筑内的损失分布和非结构损失对房屋建筑地震易损性的影响。分析结果表明:由于许多非结构构件在中小地震作用下即可能发生较严重的破坏,房屋建筑在中小地震下的易损性主要受非结构损失控制;随着地震动强度等级的不断提高,结构损伤渐趋严重,结构损失对整体建筑易损性的影响不断增大;在结构进入震后不可修状态之前,建筑不同楼层的损失分布是评估建筑地震损失时不可忽略的因素。
Abstract:
Seismic vulnerability of buildings provides basis for the assessment of seismic losses and earthquake catastrophe risk. While the nonstructural components constitute an important part of modern buildings, their seismic losses have not received enough attention in the seismic vulnerability analysis of buildings. For an example school building of reinforced concrete frame structure, we conduct a refined vulnerability analysis in which the components in a building are classified into multiple vulnerability groups by their seismic fragilities and loss consequences to investigate the influence of loss distribution and non-structural loss on the seismic vulnerability of the building. The results show that the seismic vulnerability is predominated by the nonstructural loss when the building is subjected to earthquakes of small-to moderate-intensities and remains repairable. The structural damage plays a more important role as the earthquake intensity increases and eventually predominates the vulnerability by making the building unrepairable. The loss distribution among the different floors is nonnegligible for the vulnerability analysis when the building remains repairable.

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备注/Memo

备注/Memo:
收稿日期:2021-01-21;改回日期:2021-03-30。
基金项目:中国地震局工程力学研究所基本科研业务费国际合作专项(2018C01);黑龙江省自然科学基金杰出青年项目(JQ2019E005);国家重点研发计划课题(2018YFC1504602)
作者简介:李文俊(1995-),男,硕士研究生,主要从事建筑地震易损性分析研究.E-mail:iemlwj@163.com
通讯作者:曲哲(1983-),男,工学博士,研究员,主要从事建筑地震损伤控制研究.E-mail:quz@iem.ac.cn
更新日期/Last Update: 1900-01-01