摘要
为全面掌握华蓥山断裂带重庆段地区的地震灾害风险底数,针对该断裂带所涉及的7个区,采用定量化评估和定性指标体系评估相结合的方法进行研究。先基于建筑物、人口等数据,利用评估模型计算不同超越概率水平地震作用下建筑物经济损失、人员伤亡,再根据华蓥山断裂带重庆段地区的特点,用层次分析法确定影响地震灾害后果的单因素权重系数,综合考虑不同行政区的减灾能力指标,进行地震灾害风险区划。研究结果表明:荣昌区遭受地震灾害程度最高,其次为合川区、永川区、铜梁区、北碚区、璧山区、大足区;合川区地震灾害风险等级最高,其次为璧山区、北碚区、永川区、荣昌区、铜梁区、大足区。相应研究成果为指导地方政府防震减灾、加强工程抗震措施、做好地震应急准备提供重要的数据支撑。
To comprehensively assess the baseline seismic disaster risk in the Chongqing section of the Huayingshan fault zone,a methodology combining quantitative evaluation and qualitative indicator system assessment was applied to seven districts traversed by the fault zone.Building inventory and population distribution data were used to estimate economic losses and casualties under seismic events of varying exceedance probabilities.Subsequently,according to regional characteristics,the analytic hierarchy process determined the weight coefficients of single-factor indicators influencing seismic disaster consequences.Disaster reduction capacity indicators were integrated across different administrative districts to delineate seismic risk zones.Rongchang District exhibited the highest seismic vulnerability,followed by Hechuan,Yongchuan,Tongliang,Beibei,Bishan,and Dazu Districts.Hechuan District presented the highest seismic risk level,followed by Bishan,Beibei,Yongchuan,Rongchang,Tongliang,and Dazu Districts.These findings provide critical data to guide local governments in earthquake prevention and disaster reduction,enhancing engineering seismic measures,and optimizing emergency preparedness.
作者
秦娟
黄堯燊
王赞军
董娣
王宏超
QIN Juan;HUANG Yaosheng;WANG Zanjun;DONG Di;WANG Hongchao(Chongqing Earthquake Agency,Chongqing 401120,China)
出处
《地震工程学报》
北大核心
2026年第1期166-176,共11页
China Earthquake Engineering Journal
基金
重庆市技术创新与应用发展专项重点项目(CSTB2022TIAD-KPX0197)。
关键词
风险
地震灾害评估
防灾减灾
区划
risk
seismic disaster assessment
disaster prevention and reduction
zoning
