Ground Treatment and its Application in Shallow Subway Tunnel Crossing Urban River by Shield Tunneling Method

Xiao Jun Zhou

doi:10.4028/www.scientific.net/AMR.919-921.853

Paper Titles

Model Tests on Additional Stress Transmission between Different Granular Materials in Foundation Soils
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Experimental Research of Matrix Suction of the Unsaturated Red Clay
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A Scale Model Test on Hydraulic Resistance of Tunnel Elements during Floating Transportation
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Effect Analysis on Tunnel Serviceability State by the above Expressway Extension in Loess Area
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Ground Treatment and its Application in Shallow Subway Tunnel Crossing Urban River by Shield Tunneling Method
p.853

Key Technology for the Structure Design of Mining Metro Station in Rock Strata
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Mechanism Analysis of Hydraulic Cutting Outburst Prevention Measure Applied to Mining Area of Heilongjiang Province
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Research of Train Wind Characteristics in High-Speed Railway Tunnel
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Research on Influence of Span on Surrounding Rock Quality of Tunnels
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 919-921Ground Treatment and its Application in Shallow...

Ground Treatment and its Application in Shallow Subway Tunnel Crossing Urban River by Shield Tunneling Method

Abstract:

On the basis of the geological and environmental conditions of surrounding rock around a shallow subway tunnel used to cross a river in Chengdu subway line one, the ground treatment technique such as uplift piles, cast-in-place reinforced concrete slabs and site grouting have been summarized in the paper. The riverbed above shallow shield tunnel is reinforced with covering slabs and uplift piles; meanwhile, the surrounding rock is reinforced with cement and sodium silicate grout by high pressure grouting method conducted inside the tunnel. The practice of the scenario presented in the paper turns out to be a great success and shows that the treatment technique can be used to guide the design and construction of ground reinforcement for shallow tunnel used to cross urban rivers in subway lines by shield tunneling method under similar conditions.

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Periodical:

Advanced Materials Research (Volumes 919-921)

Pages:

853-856

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.919-921.853

Citation:

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Online since:

April 2014

Authors:

Xiao Jun Zhou

Keywords:

Cement, Ground Treatment, Grouting Pressure, Shallow Subway Tunnel, Shield Tunneling Method, Sodium Silicate Grout, Uplift Pile

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References

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