煤层群开采覆岩离层注浆减沉实验与研究

Practice and Study on Reducing Subsidence by Fill ing the Overburden Separations in Multi Seams

文章对煤层群开采的覆岩离层注浆层位、钻孔位置及注浆钻孔结构的确定 ,注浆系统的建立 ,地表沉陷监测等进行了全面的论述 。

The paper fully mentions the location of the overburden separations, the location and structure of the drilling hole, the filling system,and the subsidence survey. It analyzes the result of filling the overburden separations.