四川康定城地质灾害危险性分区评价

Risk assessment of geological hazards in Kangding county town,western Sichuan

摘要: 以康定城为例,提出了城市地质灾害危险性分区评价的新方法,建立了地质灾害易发性和地质灾害社会经济易损性评价因子指标体系与评价方法,在地质灾害易发性和易损性评价基础上,进行地质灾害危险性分区评价。其危险性等级划分标准与国务院地质灾害防治条例和突发地质灾害应急预案函中的划分标准一致,评价结果可直接用于城市地质灾害防治规划编制工作,为城市防灾减灾和实施地质灾害避让搬迁、监测报警和防治工程的实施提供了科学依据。

Abstract: Exemplified by Kangding county town, western Sichuan, a new technique is presented for the risk assessment of urban geological hazards. The technique implies the assessment factors and methods for the susceptibility of geological hazards and vulnerability of social economy, and the risk assessment of urban geological hazards. The criteria for the division of risk grades are well in agreement with those issued by the State Council, the People's Republic of China. The results of assessment may directly be used in the planning of prevention and control of urban geological hazards, and will thus provide a scientific base for the precaution and reduce of urban natural hazards as well as monitoring, forecast, removal, and management in the urban area.