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

Yan, Chun-ling / Shi, Zhi-qiang

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

Yan, Chun-ling / Shi, Zhi-qiang

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.

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

Yan, Chun-ling / Shi, Zhi-qiang

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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Title:

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

Contributors:

Yan, Chun-ling (author) / Shi, Zhi-qiang (author)

Published in:

Geotechnical and Geological Engineering ; 36

Publication date:

2017

ISSN:

DOI:

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

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Silty soil , Dynamic triaxial test , Pore pressure , Subway loading , Logarithmic curve

Classification:

BKL: 57.00$jBergbau: Allgemeines / 38.58 Geomechanik / 57.00 Bergbau: Allgemeines / 56.20 Ingenieurgeologie, Bodenmechanik / 38.58$jGeomechanik / 56.20$jIngenieurgeologie$jBodenmechanik

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