From 20:00 on July 29 to 7:00 on August 2,2023,the average rainfall in Beijing reached 331 mm,and the average rainfall in Mentougou District was 538.1 mm.Heavy rains have caused frequent geological disasters and serious damage in Mentougou area,resulting in huge casualties and property losses.In mid-August,an in-depth investigation was conducted in Mentougou District,which was severely affected by the disaster.Typical disasters such as floods,landslides,collapses,debris flows,ground collapses and building collapses were analyzed from the aspects of rock and soil properties,disaster scale and distribution characteristics along the way.The hazards to traffic routes and residential houses were scientifically assessed,and emergency measures were put forward in this thesis in order to provide countermeasures and technical support for the geological disasters caused by extreme rainstorm weather in Beijing in the future.On this basis,the existing emergency plans are analyzed and suggestions for improvement are put forward,and the drawbacks and worthy of reference of different subjects such as the government,communities,towns,departments,enterprises and institutions,and the people in dealing with the extreme rainstorm weather are analyzed in depth from the three stages of before,during and after the event,so as to provide reference for dealing with such disasters in the future.
关键词
特大暴雨/地质灾害/应急处置/恢复重建/应急救援预案
Key words
Torrential rainstorm/geological disaster/emergency response/recovery and reconstruction/emergency rescue plan
万方数据