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ZHANG Feng, LIU Xuesheng, DUAN Huachao. Optimization of Support Parameters of Roadway With Soft Roof in Shallow Seam[J]. Safety in Coal Mines, 2014, 45(4): 180-182,186.
Citation: ZHANG Feng, LIU Xuesheng, DUAN Huachao. Optimization of Support Parameters of Roadway With Soft Roof in Shallow Seam[J]. Safety in Coal Mines, 2014, 45(4): 180-182,186.
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Optimization of Support Parameters of Roadway With Soft Roof in Shallow Seam

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  • Published Date: April 19, 2014
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    • Abstract
  • Taking the geological conditions of 20107 working face in GaoJialiang Coal Mine as background, multi-bases displacement monitoring device, borehole television, anchor dynamometer and borehole stress were used to conduct roadway pressure observation. Three optimization programs of roadway support parameters were put forward, and the best program was determined by numerical simulation method. The results show that horizontal deformation of roadway was more severe than vertical deformation, the peak of advanced abutment pressure is 15 m to 22 m ahead, and roadway supported using the second program is well maintained.
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    • References (9)
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