The result shows that the weighting of pillar-wall mining is great for the basic roof,uniform for working face,and moderate or a little greater than moderate in middle area.

Introduces technical parameter,structure characteristic,manufacture and under ground test of SGZ730/110 type conveyor before supports and conveyor behind supports that use in a shortwall all mechanise caving mining face.

The paper introduced the size, equipment, gateway arrangement and production of the fully mechanized longwall coal mining faces at home and abroad.

Analysis of mechanics structure of Overlying bed of longwall face;