provided by the Beijing Natural Science Foundation(No.8142032);the National Natural Science Foundation of China(No.41040027);the State Key Program of National Natural Science of China(No.5113400);the Research Fund for the Doctoral Program of Higher Education(No.20130023110021);the Special Fund of Basic Research and Operating Expenses of State Key Laboratory of Geomechanics and Deep Underground Engineering,China University of Mining&Technology,Beijing
In this study, the characteristics of geological structure at Qingshui coal mine were analyzed. And the hollow inclusion strain cell overcoring method was used to obtain the in situ stress. The effect of in situ stres...
partially supported by program for the New Century Excellent Talents in University (No. NCET-08-0833);the National Natural Science Foundation of China (No. 41040027);the Special Fund of Basic Research and Operating Expenses of China University of Mining and Technology, Beijing
Engineering geomechanics characteristics of roadways in deep soft rock at Hegang Xing'an Coal Mine were studied and the nature of clay minerals of roadway surrounding rock was analyzed. This paper is to solve the tech...
supported by the National Natural Science Foundation of China (No. 41040027);the Central University Basic Research Fund (No. 2009QL06)
Puhe Coal Mine is a typical Tertiary coal in Shenbei mining area. With an increase in mining depth, tectonic stress field becomes more complex, leading to increased deformation and failure of the soft rock roadway. St...