摘要
通过对汾西矿业集团新阳煤矿7219工作面回采期间巷道矿山压力的锚杆载荷测试、顶板离层测试及巷道顶底板围岩收敛等连续观测,计算出了回采过程中巷道的移近量,研究了近水平薄煤层综采条件下的巷道矿压显现规律,为相似条件下的巷道支护提供依据。
By anchor load test and roof stratum test under the rock pressure in 7219 working face in Xinyang Mine,Fenxi Mining Group and continuous observation on surrounding rocks convergence of roof and floor in roadways,the displacement was calculated and the ground pressure behavior was studied under the flat thin seam fully-mechanized mining,which can provide reference for the similar situation supporting.
出处
《山西煤炭》
2011年第12期32-33,37,共3页
Shanxi Coal
关键词
煤薄煤层
近水平
巷道矿压显现
围岩控制
thin seam
flat
ground pressure behavior
surrounding rock control
