采煤沉陷区地面塌陷原因及塌陷坑附近房屋居住安全分析

在经历过小煤矿开采的老矿区，塌陷坑是地表沉陷的主要形式之一，有的矿区甚至在非采动时期也会出现地面突然塌陷的情况，严重影响居民的生命财产安全。文章根据我国北方某矿区城市出现的地表塌陷事件，从煤层赋存条件、煤矿开采历史、自然条件等综合分析地面塌陷坑产生原因，并依据该区域采动情况，分析了塌陷坑附近房屋居住安全现状。

Causes of Ground Collapse in Coal Mining Subsidence Area and Residential Safety Analysis of Buildings Near Collapse Pit

Collapse pit is one of the main forms of surface subsidence in the old mining area experienced small coal mining.Surface collapse may occur suddenly even in non-mining period in some mining areas.Seriously affecting the safety of life and property of residents.This paper is based on the surface subsidence events in a mining area city in northern China,Causes of ground subsidence pits are comprehensively analyzed from coal seam occurrence conditions, coal mining history and natural conditions.According to the mining situation in this area, the housing safety situation near the collapse pit is analyzed.It can provide scientific theory and technical support for the prevention and treatment of ground collapse under similar conditions.