Stress Analysis and Measures Resistance to Deformation of Coal Pipeline above Goaf

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Abstract:

Based on one company’s engineering of constructing underground coal pipeline above goaf, calculation analysis the influence of residual subsidence deformation and stress distribution of the coal pipeline engineering. The mining subsidence make the underground coal pipeline bearing not only the earth pressure of upper, lower and lateral, but also the result of the subsidence deformation include of vertical and horizontal in-plane bending moment. Based on this, put forward the anti-deformation technical measures to build new coal pipeline and provide scientific basis for anti-deformation design.

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Periodical:

Advanced Materials Research (Volumes 986-987)

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878-881

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July 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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