2003•Coal Mining TechnologyRequires access

Analysis of the influence on rock burst caused by hard roof

Dou Lin

Abstract

Roof structure, especially hard and thick sandstone roof, is one of the main factors lead to the occurrence of rock burst. By laboratory study, field test and phenomena analysis of rock burst, the paper indicates that the hard strata of roof especially the moving or breaking of the key strata or stratum has great influence on the occurrence of rock burst. Its forecast can be realized by the understanding of roof movement and constantly monitoring

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Key concepts: Roof, Rock burst, Stratum, Geology, Mining engineering, Geotechnical engineering, Engineering, Coal mining