亭南煤矿深埋大采高综采工作面矿压规律研究

doi:10.11799/ce201508027

Abstract

Abstract: Abstract: TinNan coalmine in order to control the roof caving and coal Wall caving of frequent accidents at the large mining depth and high cutting height fully mechanized mining face, We are Systematic furnished the strata pressure behavior law of Face and entry and the case of roof caving and coal Wall caving, and the effect of entry support. Data by analyzing the strata pressure behavior law and its distribution characteristics for roof, and analysis the adaptation of support, gives cave basic prevention measures to help the accident. Observations suggest that an intense strata pressure behavior at 205 large mining depth and high cutting height mining face, large deformation large convergence in the mining gateway and large sphere of influence of the lead abutment pressure. it provide a theoretical basis For mine safety and efficient production and a reference for other coalmine in the same mining area.

Key words: large mining depth and high cutting height, strata pressure behavior law, crossheading convergence deformation, roof caving and coal Wall caving, abutment pressure

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References

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Strata Pressure Behavior Law of Large Mining Depth and High Cutting Height Fully Mechanized mining Face of TinNan Coalmine

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