摘要
村镇住宅倒塌或损毁是造成村民财产损失和人员伤亡的直接原因,结构抗震性能是防灾减灾关注的重点。对汉中市留坝县8个行政镇75个自然村11570栋住宅结构体系、建筑年代、各组成部分损坏特征和抗震设防情况等进行调查,统计分析村镇经济水平、住宅结构体系抗震设防缺陷、空间分布特征和危险性等级;完成村镇住宅结构体系震害预测和易损性指数分析。研究结果表明:97.72%的村镇住宅满足正常使用要求,但74%的住宅结构体系存在抗震设防缺陷;村镇住宅受村镇经济水平和地理交通、施工技术及村民抗震设防知识等因素制约,既有结构体系倒塌或损毁的概率大、易损性强、抗震能力差。
Rural residences collapse or structural damages are the direct reasons leading to the casualties of villagers and their property loss.The seismic performance of rural residences is the focus of disaster prevention and reduction.Based on a survey on the structure systems,the age of the buildings,damage characteristics of each component,earthquake resistance protection of 11570 residences in 75 villages,scattered in 8 administrative towns in Liuba County,Hanzhong City,this paper made a statistical analysis of the economic level,the seismic fortification defects,spatial distribution characteristics and hazard levels of residential structure systems.This paper completed the seismic damage prediction and vulnerability index analysis of rural residences.The results show that 97.72%of rural residences basically meet the requirement of normal use,but 74%of rural residences have seismic resistance defects.Due to the factors such as economic level,traffic conditions,construction technology and the knowledge of villagers in seismic resistance,the existing residences have a high probability of collapse or damage,strong vulnerability,and poor seismic resistance.
作者
郭光玲
Guo Guangling(School of Civil Engineering and Architecture,Shaanxi University of Technology,Hanzhong 723000,Shaanxi,China)
出处
《震灾防御技术》
CSCD
北大核心
2020年第1期56-66,共11页
Technology for Earthquake Disaster Prevention
基金
陕西省教育厅科学研究计划专项项目(16JK1143)。
关键词
村镇住宅
结构体系
危险性等级
易损性指数
抗震能力
Rural residence
Structure system
Hazard grade
Vulnerability index
Seismic capability
