综采工作面坚硬顶板初放及端头悬顶水力致裂控制试验

Hydraulic Fracture on Hard Roof First Caving of Fully-mechanized Face and Hanging End Roof

为解决综采工作面坚硬顶板悬顶难垮问题,山西高平科兴米山煤业在15112工作面切眼及顺槽超前支护段进行了水力致裂顶板试验,通过该试验,较好地解决了工作面坚硬顶板初放及端头悬顶问题。

in order to solve the difficult problem of hard roof suspension of comprehensive mining face, Shanxi gaoping coxing misshan coal industry carried out hydraulic crack roof test in the cutting hole of 15112 working face and the leading support section of straight groove, and passed the test. The problem of hard roof initial placement and end head suspension of the working surface is solved.