煤矿回采巷道变形破坏机理及其加强支护

The Coal Mine Returns to Adopt the Tunnel to Transform the Breakage Mechanism and it Strengthens to Pay to Protect

对煤矿回采巷道变形破坏的现状做了描述,分析了造成这种现象的原因,并对回采巷道的加强支护提出了建议。

Returned to adopt the tunnel to transform the destructive present condition to do the description to the coal mine, analyze to result in this kind of the reason of the phenomenon, and adopt the tunnel to strengthen to pay to protect to put forward the suggestion towards returning.