supported by Youth Science Foundation of the National Natural Science Foundation of China(No.51104156);the Fundamental Research Funds for the Central Universities of China(No.2013QNB02);the 12th Five Year National Science and Technology Support Key Project of China(Nos. 2012BAK04B07-2 and 2012BAK09B01-04)
The physical and mechanical change processes of coal and rock are closely related to energy transformation,and the destruction and failure of coal and rock is an instability phenomena driven by energy change.However,t...