摘要
针对正利煤业公司葛铺煤矿14-1103综采工作面煤层赋存情况,对14-1103综采工作面老顶的初次来压步距和周期来压步距进行了分析计算,根据结果对顶板采取了有效管理措施,实测结果与计算结果较吻合,为其它工作面提供了借鉴。
Aiming at seam occurrence of 14-1103 fully mechanized face, Gepu Colliery, Zhengli Coal Industry Co. , the author analyzes and calculates the first weighting interval and periodic weighting interval of main roof at 14-1103 fully mechanized face, and takes effective management measures on roof management according to the results （which are in agreement with the calculated results and provide references for other working faces. ）
出处
《江西煤炭科技》
2013年第3期103-105,共3页
Jiangxi Coal Science & Technology
关键词
初采初放
初次来压
老顶垮落
primary recovery and initial blasting down the roof
first weighting
main roof collapse
