支柱对煤层底板破坏机理的研究及应用  

STUDY AND APPLICATION OF FAILURE MECHANISM OF COAL SEAM FLOOR ACTED BY PROPS

作　　者：王春秋[1] 潘立友[1] 华永芳[1] 

机构地区：[1]山东矿业学院矿压研究所

出　　处：《山东矿业学院学报》1991年第4期407-412,共6页Journal of Shandong University of Science and Technology(Natural Science)

摘　　要：本文根据松软底板条仲下单体支柱使用过程中存在的问题,建立了圆柱形平底支柱对底板岩体作用的力学模型,通过对煤层底板破坏机理的研究,提出了一种解决支柱钻底让压问题的新型结构柱鞋,并对其井下使用效果进行了分析。A mechanic model for the action of props with the Cylinder flat base on the coal ceam floor rockmass was established, acocrding to the problems existed in the prop operation under the soft floor condition.By st- udying floor rockmass failure mechanism of coal seam,the paper proposes one kind of prop shose with new structure which has solved the problem of yie- lding due to floor penetration. The effect of use of the shose in coal mine underground has also been analysed.

关 键 词：支柱 煤层 底板 破坏机理 

分 类 号：TD327.3[矿业工程—矿井建设]