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LI Ji-xing, XU Lei, JIANG Hong-jun. Laneway's Side Stability Mechanism and Support Technology in Super-high Roadway[J]. Safety in Coal Mines, 2012, 43(10): 60-63.
Citation: LI Ji-xing, XU Lei, JIANG Hong-jun. Laneway's Side Stability Mechanism and Support Technology in Super-high Roadway[J]. Safety in Coal Mines, 2012, 43(10): 60-63.
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Laneway's Side Stability Mechanism and Support Technology in Super-high Roadway

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  • Published Date: October 09, 2012
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  • Taking super-high roadway appeared in 5203 track roadway in a mine of Shanxi as research object.The horizontal displacement,subsidence features and plastic zone distribution characteristics of laneway’s side in super-high roadway are described with comparison analysis method in this paper.Through analyzing mechanical model of rib spalling,constraint theory of anchor wall of laneway’s side on deep surrounding rock and pressure bar destabilization of metallic support generated in steel timber leg of super-high roadway,finally,the support form of using high strength bolts,steel strip,anchor net and anchor cable to reinforce laneway’s side is adopted,and the reasonable supporting parameters are determined.The result of engineering practice proves that the laneway’s side stabilization theory of super-high roadway is suitable to the laneway’s side support of super-high roadside.
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    • References (12)
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