摘要
本文阐述了良庄13煤石灰岩顶板的微观特征,岩石的应力应变及水物理特性,分析了石岩岩浸水后强度降低的机理,探讨了高压水处理良庄13煤顶板的可行性。
This paper discusses the microscopic tharacteristics stress-stain and water adsorbed properly of the limesfone roof of №.13 coal seam in liangzhuang colliey analyzes the mechanism of the rock strength to be weakened after being immersed in the water and studies the possibibility of the pretreatment of the harcl roof with high-pressure water.
出处
《山东矿业学院学报》
CAS
1990年第4期355-359,共5页
Journal of Shandong University of Science and Technology(Natural Science)
关键词
煤矿
煤层
顶板
高压水
处理
: Rock mass strength
rock mass stress-strain
rock absorptionswelling mechanism
roof control
