2006•Coal Mining TechnologyRequires access

Mechanism of Rock Burst under the Combined Conditions of Hard Coal and Hard Rock

WU Xing-rong

Abstract

Thick sandstone roof in the roof strata construction is one of the main influence factors of rock burst.The main identifying base of the tendency of rock burst is from laboratory result and the result is different from fact widely.Combined coal and rock from main mining coal seam in Sanhejian Colliery is used to test the tendency of rock burst and the results provide basic parameters for the rock burst monitoring and prevention and control in mining face with high tendency of rock burst in Sanhejian Colliery.

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Key concepts: Rock burst, Roof, Mining engineering, Coal mining, Geology, Hard coal, Coal, Geotechnical engineering