Shandong China Coal Industry & Mining Group specializing in the production of mining carts, winches, steel arch support, rock drill and other mining equipment and accessories, business honest, professional services, quality assurance, Tel: + 86-537-2350961.
1999 Fatal Accidents Back to Top of Page (1) January 20, 1999 Fola Coal Company Surface Mine No. 3, Clay/Nicholas County. A surface haulage accident occurred at 3:30 PM. The victim, a rock truck driver, had backed his truck to the berm at the top edge of a valley fill and was in the process of dumpi
A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.