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Keywords: coal
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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-133
... Abstract Characteristics of stress evolution of "roof-coal" structure body lose stability process under force and rock burst preparation is analyzed by comparative test. Catastrophe theory is used to analysis instability mechanism and the multi-field stress control for rock burst prevention...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-122
... ABSTRACT For a long time, mining coal under buildings, water bodies and railways ("under three" for short) mainly apply technology of strip mining in China, whose effect of ground subsidence control is good, but coal recovery is low (about 40%). As coal resources has been decreasing, whether...

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