摘要
介绍了东荣二矿副井井简的地质及水文地质慨况,和井筒破坏情况,针对性地进行了机理分析,并对治理方案进行了对比分析,确定了治理方案。
This article introduce geology and drogeology about auxiliary shaft of Dongrong NO.2 coal mine, and treament of freeze shaft wall failute, carry on theoretical ahalysis towards this, and carry on contrast analysis towards treament plan, make sure to treament plan.
出处
《煤炭技术》
CAS
2006年第6期114-115,共2页
Coal Technology
关键词
竖直附加力
冻结段
井壁
vertical additional stress
freeze shaft wall
shaft wall