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Volume 39 Issue 4
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WANG Xiang-ying, LIU Han-long, JIANG Qiang, CHEN Yu-min. Field tests on response of excess pore water pressures of liquefaction resistant rigid-drainage pile[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(4): 645-651. DOI: 10.11779/CJGE201704008
Citation: WANG Xiang-ying, LIU Han-long, JIANG Qiang, CHEN Yu-min. Field tests on response of excess pore water pressures of liquefaction resistant rigid-drainage pile[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(4): 645-651. DOI: 10.11779/CJGE201704008
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Field tests on response of excess pore water pressures of liquefaction resistant rigid-drainage pile

  • 1. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China;
    2. College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China;
    3. School of Civil Engineering, Chongqing University, Chongqing 400045, China;
    4. Jiangyin Construction Project Management Office, Jiangyin 214400, China

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  • Received Date: January 25, 2016
  • Published Date: May 19, 2017
    Graphical Abstract
    • Abstract
  • The liquefaction resistant rigid-drainage pile is a new type of pile which can be used in geotechnical earthquake engineering. The pile combines the bearing capacity of rigid pile and the drain-ability of gravel pile. Based on the pile foundation engineering of Jiangyin No.1 High School's new campus, the pile-driving field tests on liquefaction resistant rigid-drainage pile are carried out for the first time. The excess pore water pressures around drainage piles and ordinary piles are recorded during field tests, depending on various data from different locations in depths and displacements. According to these test results, the maximum excess pore water pressure around the ordinary piles is larger than that around the drainage piles during the pile driving. When the pile driving is finished, the excess pore water pressures around the drainage piles dissipate faster than those around the ordinary piles. In the influence area, the excess pore water pressure dissipation of drainage piles at deep depths where a liquefiable soil layer is located is more obviously than that at shallow depths. The data of piles tests may provide other engineers with reliable evidences.
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    • References (18)
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