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Study on the Technology Coefficient of Supporting for Deep Coal Mine Tunnels

Zhang, Wei / Chen, Shi-Hai

To keep the stability of tunnel’s surrounding rock, and control the deformation of surrounding rocks and reduce the maintenance cost of tunnel in maximum, this article did the following aspects. Aiming at large pressure, large deformation, bad maintenance state in deep coal mine tunnel, joint cable anchor support technology is adopted, and the coordination deformation of tunnel is accomplished through anchor net-surrounding rock and its coupling with the anchor cable. Through the theoretical calculation and numerical simulation of cable anchor coupling support, we determine reasonable technology coefficient of bolt supporting and verify the correctness of support coefficient by field observation.

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Study on the Technology Coefficient of Supporting for Deep Coal Mine Tunnels

Zhang, Wei / Chen, Shi-Hai

To keep the stability of tunnel’s surrounding rock, and control the deformation of surrounding rocks and reduce the maintenance cost of tunnel in maximum, this article did the following aspects. Aiming at large pressure, large deformation, bad maintenance state in deep coal mine tunnel, joint cable anchor support technology is adopted, and the coordination deformation of tunnel is accomplished through anchor net-surrounding rock and its coupling with the anchor cable. Through the theoretical calculation and numerical simulation of cable anchor coupling support, we determine reasonable technology coefficient of bolt supporting and verify the correctness of support coefficient by field observation.

Study on the Technology Coefficient of Supporting for Deep Coal Mine Tunnels

Zhang, Wei / Chen, Shi-Hai

To keep the stability of tunnel’s surrounding rock, and control the deformation of surrounding rocks and reduce the maintenance cost of tunnel in maximum, this article did the following aspects. Aiming at large pressure, large deformation, bad maintenance state in deep coal mine tunnel, joint cable anchor support technology is adopted, and the coordination deformation of tunnel is accomplished through anchor net-surrounding rock and its coupling with the anchor cable. Through the theoretical calculation and numerical simulation of cable anchor coupling support, we determine reasonable technology coefficient of bolt supporting and verify the correctness of support coefficient by field observation.

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Title:

Study on the Technology Coefficient of Supporting for Deep Coal Mine Tunnels

Contributors:

Zhang, Wei (author) / Chen, Shi-Hai (author)

Published in:

CEABM, International Conference on Civil Engineering, Architecture and Building Materials, 2 ; 1392-1396

Applied Mechanics and Materials ; 170-173

Publication date:

2012

Size:

5 Seiten

ISSN:

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.170-173.1392

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Ankerhalterung , numerische Simulation , Kohlebergwerk , Instandhaltungskosten , Ankerkette , Bolzen

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