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- W2063451569 startingPage "2073" @default.
- W2063451569 abstract "In order to improve the mining benefit of coal resources, Chang Gouyu Coal Mine carried out the technology of mining without coal pillar in steep seam. The key of the technology was to ensure a long-term stability of the cross-entry roadway across the seam. Through the analysis of the nature of steep seam roof and floor rock, and based on the stability analysis and loose circle measured of surrounding rock of crosscut roadway, we brought forward adopting shotcrete rockbolt mesh and U-shaped steel complex support structure system. This complex support system could flex lengthways and compress in radial direction. The entirety integrated with the surrounding rock, and they formed into a whole. Application of the complex support system could effectively control the deformation of the surrounding rock collapse, and maintain the stability of the crosscut." @default.
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- W2063451569 date "2011-09-01" @default.
- W2063451569 modified "2023-09-23" @default.
- W2063451569 title "The Stability Control Technology of Crosscut while Mining without Coal Pillar in Steep Seam" @default.
- W2063451569 cites W2006040827 @default.
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- W2063451569 doi "https://doi.org/10.4028/www.scientific.net/amm.90-93.2073" @default.
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