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Restoration Design and Calculation of Shaft Joint in Complex Stratum
HAN Xu 1 #,HUANG Jiahui 2 *,REN Yanlong 2,XIA Yang 2
1.School of Mechanics and Civil Engineering,China University of Mining and Technology
2.School of Mechanics and Civil Engineering,China University of Mining and Technology,Xuzhou 221008
*Correspondence author
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Funding: none
Opened online:22 August 2011
Accepted by: none
Citation: HAN Xu,HUANG Jiahui,REN Yanlong.Restoration Design and Calculation of Shaft Joint in Complex Stratum[OL]. [22 August 2011] http://en.paper.edu.cn/en_releasepaper/content/4438852
 
 
On account of the fracture status of shaft joint in complex stratum, we analyze the reasons causing damage, then put forward restoration plans, such as, controlling water and consolidate the weak stratum by grouting, and strengthen the shaft supporting. We also propose to enhance supporting shaft thickness reasonably through shaft calculation, checking, and numerical simulation. In addition, bolting support with metal mesh and cable system should be adopted in the combined support of weak surrounding rock, double bolt plates should be used to enhance the links between shaft and surrounding rock, and the support effect should also be monitored.
Keywords:mining supporting; complex stratum; design and calculation
 
 
 

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