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Experimental Study on the Pore Pressure of the Silty Soil Around Tunnel Under Subway Loading

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Abstract

Based on the global digital system, by fully considering the factors of the pore pressure, such as the frequency, the dynamic stress amplitude, the consolidation ratio as well as the overconsolidation ratio, the dynamic triaxial test was conducted to study the dynamic pore pressure of the silty soil around the tunnel of the Guoquan Road station of line No. 10 subway in Shanghai, and the change law of the pore pressure influenced by each factor was obtained. The results show that the logarithmic curve is adopted to describe the relationship between the pore pressure and the vibration times. Besides, the model parameters are determined with the regression analysis. The results offer some valuable references to the design subway tunnel.

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Acknowledgements

This work is supported by school research funding, Project No. 20130706, and the doctoral research funding, Anyang institute of technology. The authors are deeply indebted to the two financial supporters.

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Authors and Affiliations

  1. School of Civil and Architectural Engineering, Anyang Institute of Technology, Anyang, 455000, People’s Republic of China

    Chun-ling Yan & Zhi-qiang Shi

  2. Engineering and Technology Research Center on Structure Detection and Reinforcement of Anyang City, Anyang, 455000, Henan, China

    Chun-ling Yan & Zhi-qiang Shi

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  1. Chun-ling Yan
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  2. Zhi-qiang Shi
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Correspondence to Chun-ling Yan.

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Yan, Cl., Shi, Zq. Experimental Study on the Pore Pressure of the Silty Soil Around Tunnel Under Subway Loading. Geotech Geol Eng 36, 657–663 (2018). https://doi.org/10.1007/s10706-017-0320-y

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  • DOI: https://doi.org/10.1007/s10706-017-0320-y

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