1、The coal gangue dumping site slope is mainly deposited by coal gangue and stony soil, and its stability condition seriously affect the mine's production and safety.
2、It is proposed that the recoverable should be recovered and the unburned wastes should be separated before the ash is disposed of in a landfill or dumping site. ;
3、The acticle passes the actual working experience of drilling bole explore for open coal mine engineering geology explain simbly a few problems of the dumping site leave thing layer meet with drilling hole explore, probe detailed the treatise and the technique meathod to. solve these problems.
