Mechanics Characteristic Analysis of Support Structure of Shallow-Buried Large-Section Loess Tunnel

Zhi Jie Sun

doi:10.4028/www.scientific.net/AMR.926-930.589

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 926-930Mechanics Characteristic Analysis of Support...

Mechanics Characteristic Analysis of Support Structure of Shallow-Buried Large-Section Loess Tunnel

Abstract:

To research the mechanics characteristic of support structure of shallow-buried large section loess tunnel with different construction methods, 3D Numerical Simulation is applied and the large-section loess tunnel of highway is taken as an example. Comparing mechanics characteristic of support structure in three types of construction method conditions, the research results show that:The Benching stepping method which caused large surrounding rock deformation can reduce the value of structural performance. While the Both side heading is just opposite.

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Periodical:

Advanced Materials Research (Volumes 926-930)

Pages:

589-592

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.926-930.589

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Online since:

May 2014

Authors:

Zhi Jie Sun*

Keywords:

Construction Method, Large-Section, Loess tunnel, Mechanics, Support Structure

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References

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[3] Shichun Wang: Classification of Tunnel Rock (Southwest Jiaotong University Press publications, Chendu 2007).

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[4] China Merchants Chongqing Communications Research & Design Institute: Code for Design of Highway Tunnel (JTG D70-2004) (China Communications Press publications, Beijing 2004).

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[5] Jianxun Chen: China Journal of Highway and Transport. Vol. 21(5) (2008), pp.75-80.

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