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zhang cun mei kuang +480 m shui ping wei yan di zhi li xue ce shi ji ying yong
Author(s): 
Pages: 37-39
Year: Issue:  3
Journal: Coal

Keyword:  地应力测试围岩强度围岩结构观测强力支护;
Abstract: 在调研地应力测试、围岩强度测试以及围岩结构观测方法的基础上,选用了水压致裂法、现场原位钻孔探触法、孔壁电子窥视法,在漳村煤矿+ 480 m水平选取了5个典型测站进了地质力学测试.测试得出,最大水平主应力、垂直主应力、最小水平主应力最大值分别为16.96 MPa,11.63 MPa,8.22 MPa,最大水平主应力场方向为北偏西.并将测试结果应用于西胶带大巷锚杆支护试验,矿压监测得出锚杆受力最大172 kN,锚索受力基本稳定在300 kN,顶板移近量为15 mm,两帮移近量最大为67mm,变形量较小,支护效果良好.
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