Title: The research of Coal Pillar stable Mechanism in high mining height working face
Abstract:Abstracts:This article through the theoretical analysis and numerical calculation and analysis of the abutment pressure distribution of coal pillar and pillar elastic nuclear rate,the big mining heigh...Abstracts:This article through the theoretical analysis and numerical calculation and analysis of the abutment pressure distribution of coal pillar and pillar elastic nuclear rate,the big mining height the damage mechanism of coal pillar slot instability.Big mining height the fully mechanized working face the stability of coal pillar slot directly influence the safety and efficiency of the mine production,the main manifestation of the extraction roadway supporting difficulty and support costs,therefore,the stability of coal pillar research has been urgently to be solved in coal mine production of difficult problems.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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