Synthetic mining technical research on "three-soft coal seam"
Abstract：Shanxi I1 i in Yanlong mine is a kind of coal face on" three-soft coal seam", which primary charac- ters are a soft coal face, a large variety of thickness and angles, a soft and cracked roof and bottom, compli- cated hosting conditions, difficult mined. By means of seveval patents of Songshan mine, "one tunnel, three use" , reasonahly selected high intensity and light roof coal shielding hydraulic support, preventing coal slide technology and preventing roof falling technology, mechanized mining technology were implemented creatively. Safe and high -efficiency mining and remarkable results have been achineved.
Keywords：three-soft coal seamsynthetic mining technical
Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 660-663 )