亭南煤矿村庄下105工作面条带分段限高开采数值模拟研究

Numerical simulation study on strip mining with limited section and limited height of 105 working face under village of Tingnan Coal Mine

为实现村庄下煤炭资源的安全开采及地表变形的有效控制,基于条带开采理论研究和现场实践,提出了条带分段限高采煤法,运用了FLAC3D对开采过程中地表的变形情况进行了数值模拟研究,结果表明:条带分段限高采煤法可以有效减少地表沉陷和变形,保护采区上部建筑物,为"三下"开采提供安全保障。

In order to realize the safe mining of coal resources under villages and the effective control of surface deformation,based on the theoretical study and field practice of strip mining,strip mining with limited section and limited height was proposed,and the surface deformation in the mining process was simulated by FLAC3D.The results showed that the strip mining with limited section and limited height method can effectively reduce surface subsidence and deformation,protect the upper buildings of mining area,and provide security for"Under-Three-Objects"mining.