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Volume 46 Issue S2
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SUN Yanxiao, LIU Songyu, ZHANG Guochao, WANG Yong, HE Huan, TONG Liyuan, CHEN Wen, WU Shuo. Measuring method for confined water level using piezocone penetration tests[J]. Chinese Journal of Geotechnical Engineering, 2024, 46(S2): 38-42. DOI: 10.11779/CJGE2024S20008
Citation: SUN Yanxiao, LIU Songyu, ZHANG Guochao, WANG Yong, HE Huan, TONG Liyuan, CHEN Wen, WU Shuo. Measuring method for confined water level using piezocone penetration tests[J]. Chinese Journal of Geotechnical Engineering, 2024, 46(S2): 38-42. DOI: 10.11779/CJGE2024S20008
shu

Measuring method for confined water level using piezocone penetration tests

  • 1.

    Institute of Geotechnical Engineering, Southeast University, Nanjing 211189, China

  • 2.

    China Railway Major Bridge Reconnaissance & Design Institute Co., Ltd., Wuhan 430056, China

  • 3.

    Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China

  • 4.

    Jiangsu Provincial Transportation Construction Bureau, Nanjing 210004, China

  • 5.

    China Railway 14th Bureau Group Co., Ltd., Jinan 250101, China

  • 6.

    China Railway 14th Bureau Group Mega Shield Construction Engineering Co., Ltd., Nanjing 211800, China

More Information
  • Received Date: June 20, 2024
    Graphical Abstract
    • Abstract
  • The occurrence of confined water inrush and leakage is common in engineering projects such as foundation pits and tunnels. To economically, conveniently and accurately obtain the confined water level is of great significance for the guiding of engineering design and construction. By analyzing the piezocone penetration tests (CPTU) and geotechnical data from the projects of Jiangyin-Jingjiang Yangtze River Tunnel and Haitai Yangtze River Tunnel, a CPTU-based method for measuring the confined water level is proposed. This method allows for the calculation of the confined water level through measurement of pore pressure while obtaining the CPTU in-situ test parameters. The comparisons between the calculated and observed confined water levels show high consistency. The CPTU method offers advantages of convenience, speed and low construction cost, making it worth promoting and implementing in foundation pit and tunnel engineering.
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    • References (8)
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