Supported by National Natural Science Fundation of China(50674045)
Similar material simulation test W9-15 101 fully mechanized caving face with was carried out in a geological model of large mining height in the Liuhuanggou Colliery, in Xinjiang Uigur Autonomous Region. The roof over...
Supported by the National Natural Science Fundation of China (50674045);the National "973" Planning Project(2007CB209403)
Through the description of the deformational features of the surrounding rockaround high stress engineering soft rock roadways,the coupling stabilization principle ofinner and outer structures in surrounding rock was ...