Application of Non-explosive Demolition Method of Tennel Extension Project in Coal Mine

The application of non-explosive demolition method in Xinhe coal mine tennel extension project was introduced.Under the state of its service ability,the transport tunnel of-240 shaft station was extended with non-explosive demolition method.According reaction principles of cartrage non-explosive demolition agent,this paper probes its construction technology and optimal parameters in coal mine,and propose specific construction scheme and safety matters.