Research on Arching Mechanism of the Lane Arching under Pre-Stress Bolt Supporting

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Abstract:

Supporting by pre-stress bolt is a kind of active support. It was widely used to support the Coal lane. To improve the stability of surrounding rock through choosing reasonable row spacing and geometric parameters of the bolt in the process of supporting was always a hotspot that exited important engineering significance. In this paper using the software ANSYS to analysis the additional stress field of surrounding rock under the action of the single and multiple pre-stress bolt, Gain the mechanical mechanism of that it will form a stress arch in surrounding rock if supporting lane by bolt, and the arch structure can make good use of the capacity of the surrounding rock to stable itself, thus we can get the purpose of stabling lane.

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Periodical:

Advanced Materials Research (Volumes 671-674)

Pages:

1140-1143

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Online since:

March 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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