表土层疏水沉降对井筒破坏的分析  

ANALYSIS ABOUT SHAFT FAILURE DUE TO TOPSOIL SPARSE WATER SUBSIDENCE

作　　者：顾孟寒[1] 

机构地区：[1]淮南工业学院,淮南232001

出　　处：《东北煤炭技术》2000年第2期41-45,共5页

摘　　要：分析认为,由底含水疏排引起的表土层沉降使井筒受到地层的压、弯共同作用,地层的倾复是导致井筒破坏的直接原因。The topsoil subsidence caused by bottom water loss makes the shaft suffer the joint function of pressing and bending by strata, and the stratum toppling is just the direct factor leading to the shaft failure.

关 键 词：疏水沉降地层 井筒破坏 地层倾复 

分 类 号：TD82[矿业工程—煤矿开采]