摘要
煤层由于其倾斜角度大的特殊结构特征,回采过程中很容易对整体顶板产生严重影响,顶板岩性也随之降低。为加强大采高综采面回采过程顶板控制,以泉店煤矿二1煤层为基础,以相似材料模拟试验为依据,对综采工作面覆岩结构顶板垮落的规律进行探讨研究,对同类型煤层开采的支护形式选型有很好的借鉴意义。
Because of the special structural characteristics of large inclined angle coal seam,it is easy to have a serious impact on the overall roof during the process of coal mining,and the roof lithology also decreases.In order to strengthen the roof control in the mining process of fully mechanized face with large mining height,based on the Two-1 coal seam of Quandian Coal Mine and the similar material simulation test,the roof collapse law of overburden structure in fully mechanized face is discussed and studied,which has a good reference significance for the selection of support forms in the mining of the same type of coal seam.
作者
蒋与飞
曹品伟
Jiang Yufei;Cao Pinwei(Quandian Coal Mine of Henan Shenhuo Coal Power Co.,Ltd.,Henan Xuchang 461000)
出处
《山东煤炭科技》
2021年第4期141-143,148,共4页
Shandong Coal Science and Technology
关键词
大采高综采面
覆岩结构
顶板垮落
fully mechanized face with large mining height
overburden structure
roof caving
