Research on Interaction Mechanism between Segmented Lining Structure and Surrounding Loess under Activing Ground Fractures

Fang Tao She; Sheng Jun Shao; Juan Fang; Ning Fei Xu

doi:10.4028/www.scientific.net/AMR.368-373.720

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Research on Interaction Mechanism between Segmented Lining Structure and Surrounding Loess under Activing Ground Fractures

Abstract:

In ground fracture region, Xi’an subway adopted segmented lining to adjust for the differential settlement. We applied three-dimensional finite difference method to simulate “plateau type” ground fractures. The conclusion is that segmented lining structure can restrain tunnel surrounding soil deformation near ground fractures effectively. Far away from the tunnel longitudinal axis, the surface settlement is consistent with free field. The change region of the soil pressure mainly distributes in 30m of ground fractures upward and 20m of ground fractures downward. The axial stress, major principal stress and minor principal stress on the inner side of lining with tunnel axis is more tensile than the outside one, and their tensile region are concentrating in the waist lining structure, their compression region are mainly distributing in vault and arch bottom. Based on the results, we suggest that the pulling reinforcing steel should be used in the waist lining structure.

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Periodical:

Advanced Materials Research (Volumes 368-373)

Pages:

720-724

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.368-373.720

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Online since:

October 2011

Authors:

Fang Tao She, Sheng Jun Shao, Juan Fang, Ning Fei Xu

Keywords:

Ground Fracture, Segmented Lining Structure, Subway Tunnel, Surrounding Loess

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References

[1] ZHANG Jiaming. Research on ground fissures in the region of Xi'an [M]. Xi'an:Northwest University Press, 1990, in Chinese.

Google Scholar

[2] Shao Shengjun, She Fangtao, Xiong Tianfang. Tunnel model equipment and model tests method under activing ground fissure [P]. China, ZL201010156366, 2010.12.01.

Google Scholar

[3] Li Jianjun, Shao Shengjun, Xiong Tianfang. Research on physical model experiment of tunnel obliquely crossing a ground fissure [J] Rock and Soil Mechanics, 2010, 31(S1): 115-125, in Chinese.

Google Scholar

[4] ShanXi Provincial Construction Office. Specification for site investigation and engineering design on Xi'an ground fractures (DBJ61-6-2006)[S].Shanxi Provincial Construction Press, Xi'an, 2006, in Chinese.

Google Scholar