Optimization of Tunnel Support Type through Fault Zone

Ke Li; Han Guo

doi:10.4028/www.scientific.net/AMM.580-583.1184

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 580-583Optimization of Tunnel Support Type through Fault...

Optimization of Tunnel Support Type through Fault Zone

Abstract:

The mechanical properties of tunnel surrounding rock in fault zone is usually quite weak, and the support pressure and displacement are larger than other sections, so the support type in fault zone is a critical issue for tunnel safety. Three types of tunnel support through fault zone were analyzed by finite element method (FEM): ①Reinforced concrete support, ②bolting-shotcreting and reinforced concrete support,③grouting and reinforced concrete support. The result shows that support stress and surrounding rock displacement with grouting and reinforced concrete support is quite smaller than the other support types.

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Periodical:

Applied Mechanics and Materials (Volumes 580-583)

Pages:

1184-1187

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.580-583.1184

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Online since:

July 2014

Authors:

Ke Li*, Han Guo

Keywords:

Fault Zone, Finite Element Method (FEM), Support Type, Tunnel

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