Thin Seam Mining complex structures and underground pressure(Chinese Edition)

Paperback. Pub Date :2014-01-01 198 Chinese Coal Industry Press for tuberculosis and iron sulphide thin seam partings hard to achieve the core of fully mechanized coal mines use pressure flaking broken coal and tuberculosis . Thin Seam Mining complex structure with underground pressure in-depth and systematic introduction to the Thin Seam coal mining face underground pressure and wall damage law. the use of pressure mines reasonable supporting strength and cutting depth. cutting thin seam tuberculosis and spalling mechanism. mechanized mining equipment selection. efficient mechanized mining technology and practical effects on the development of complex structures Thin Seam Mining has important guiding value. Thin Seam Mining complex structures and mining pressure available to the technical staff and tertiary students of mine production. design. re...