To solve the problems, a way of the clear mining is put forward, that is, the refuse is not taken out of a coal mine and immediately stowed underground.

• 为此,提出了一条洁净开采途径,即矸石不出井直接充填井下。这样做,既可以消除矸石山,又可以减少开采沉陷。经分析,环境效益、经济效益、社会效益显著。