深圳“12.20”山体滑坡灾害成因及安全防范分析

Shenzhen "12.20" Landslide Disaster Causes and Security Measures Analysis

深圳"12.20"山体滑坡是共造成58人遇难、77人失踪、33栋建筑物被埋或受损的重特大人员伤亡及财产损失的灾害。文章通过分析深圳市域内重要的地质灾害隐患,结合灾前及灾后卫星影像与航空照片等资料,分析了光明新区恒泰裕山体滑坡的滑坡体物源组成、物源区演化及滑坡形成过程、灾情影响等,并结合深圳历史滑坡、滑坡和崩塌隐患点及2015年深圳市地质灾害重点防范区数据等资料,参阅本次滑坡灾情及成因情况,初步划定了深圳市域内的重大地质灾害防范区,总结了深圳地质灾害安全避险建议,这对深圳防灾避灾具有重要意义。

Shenzhen ＂12.20＂ landslide caused a total of 58 victims, of major casualties and property losses of 77 people missing. By analyzing the Shenzhen region important geological disaster, combined with pre-disaster and post-disaster satellite images and aerial photographs and other information, this paper analyzes the composition, process, evolution and landslide disaster affecting formation in Guangming District Hengtai landslide margin provenance industrial park, and delimit a preliminary major ground disaster preparedness District in Shenzhen City area, based on the analyses on the information of Shenzhen＇s history of landslides, landslides and collapse hidden spots, data and other information of the main prevention areas of geological disasters in 2015 and this landslide disaster and its causes, gives suggestions on Shenzhen geological disasters safe haven, which is of great significance for the Shenzhen disaster prevention and disaster prevention.