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2013 (Vol. 5, Issue: 18)
Article Information:

Mechanism of Reinforcement on Inwall of Coal Mine Shaft Wall

Jinlong Liu, Luwang Chen and Jili Wang
Corresponding Author:  Jinlong Liu 

Key words:  Inwall, reinforcement, shaft wall, temperature stress, , ,
Vol. 5 , (18): 4546-4551
Submitted Accepted Published
October 17, 2012 December 19, 2012 May 05, 2013
Abstract:

Based on the theory of elasticity, the analytic solution of temperature stress on shaft wall of coal mine with reinforcement on inwall is deduced. It is shown that with the increment of reinforcement stress Pa, the radial compressive stress &sigmar become larger, the vertical compressive stress &sigmaz become less, while the circumferential stress &sigma &theta changed from compressive stress to tensile stress. The stability of shaft wall enhanced with vertical stress reduced by reinforcement on inwall of shaft wall. Compressive steel plate could be used to reinforce the inwall, characterized with low-cost, short time and construction easy. While the intelligent equipment should be developed further to provide everlasting and greater reinforcement on in wall of coal mine shaft wall.
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  Cite this Reference:
Jinlong Liu, Luwang Chen and Jili Wang, 2013. Mechanism of Reinforcement on Inwall of Coal Mine Shaft Wall.  Research Journal of Applied Sciences, Engineering and Technology, 5(18): 4546-4551.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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