In order to make the current"Specifications for risk assessment of geological hazard"more applicable to mountain geological hazard risk assessment,analyzes and discusses the factors of geological hazard classification,hazard degree classification,prediction and evaluation method,risk zoning scope,prevention and control measures and other related problems involved in the specifications,further,it is pointed out that the hazard should be judged according to the stability and hazard degree of the present geological hazards,and the hazard degree should be judged according to the dangerous situation,and suggested values of risk classification parameters are proposed,the prediction and evaluation method based on pre-hazard analysis (PHA)is put forward,and the relativity between the scope of hazard zoning and the responsibility of management is defined,it is pointed out that the importance of disaster-stricken body and the possibility of geological disaster should be considered comprehensively,and some suggestions on prevention and control measures such as protection,relocation,management and monitoring should be put forward.
关键词
地质灾害/危险性评估/预先危险性分析/适用性/系列防治措施
Key words
geological hazards/risk assessment/pre-hazard analysis/applicability/series of prevention and control measures
维普
万方数据