错层位巷道布置采煤法接续工作面顶板来压步距研究

doi:10.11799/ce201408026

Abstract

Abstract:

Abstract: Through the theory analysis on the overburden strata of working face and its movement characteristics of stagger arrangement. Found in stagger arrangement mine the supporting condition of connected working face is quite different from convention coal mine at the period of initial and periodic weighting. The article is based on the analyses of roof supporting condition of connected working face of stagger arrangement mine, established mechanical model, and then using the method of calculating roof weighting step in classical theory of mine pressure control, analysis the different between stagger mine and traditional mine. Finally further with FLAC3D numerical simulation verifies the analysis results.

Key words: stagger arrangement, connected working face, roof weighting step, numerical simulation

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URL: http://www.coale.com.cn/EN/10.11799/ce201408026

http://www.coale.com.cn/EN/Y2014/V46/I8/80

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Study on Roof Weighting Step of Connected Working Face of Stagger Arrangement Mine

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