焦作市典型煤矿塌陷区地质灾害危险性分析及防治对策

Assessment and countermeasure of geological hazard in a typical coal-mined collapse area in Jiaozuo City

由于大规模地开发矿产资源,使焦作市成为地质灾害的易发区,引起的地质灾害分布范围广,危害程度大,已造成巨大的经济损失和人员伤亡。本文以焦作市某城中村改造建设场地地质灾害危险性评估为例,用概率积分法等数理统计的方法对采煤塌陷区的采深采厚比和地表移动变形值进行了预测,对焦作市典型煤矿区形成的地面塌陷、地裂缝等地质灾害的危险性进行了分析,并提出了相应的防治对策。为今后矿山的设计和地质灾害防治工作提供一定的科学依据。

Geological hazards often occurred in Jiaozuo City because of large-scaled exploration of minerals,which caused enormous economic loss and big casualties.Geological hazard assessment of reconstruction project in a village in Jiaozuo city was conducted as an example.The ratio of mining depth to mining thickness and the ground surface displacement were estimated by statistics method.The risk of occurring land collapse and ground fissure in the typical area in Jiaozuo city was discussed.Finally,the countermeasures were put forward.The paper could provide scientific foundation for mining design and geological accident prevention.