In the analysis of some in-seam slip fold structures in the area of Xuzhou and HuaibeiDistricts, it is noted that there exist some in-seam roof and footwall roc
The paper was numerically focused on investigation of deformation, failure and instability of shear band-surrounding elastic reck system in plane strain direct
<正> The currently applied methodology of absolute gassiness forecasting in roadways being driven in Polish hard coal mines is based on the results of investiga