摘要
影响软煤综放面端面失稳的因素很多 ,本文从支架—围岩几何关系、支架工况、直接顶尺寸及老顶运动四个方面 ,运用
There several factors of stability of the tip to face area in the longwall top coal caving face with soft coal, which are the locating relation between supports and surrounding rocks、supports' resistance state、the size of the direct roof and the movement of the main roof. In this paper, using UDEC software, the author also analyzes the influence of them .
出处
《矿山压力与顶板管理》
北大核心
2001年第2期9-11,共3页
Ground Pressure and Strata Control
基金
高等学校优秀青年教师
科研奖励基金资助