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Volume 39 Issue z2
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DIAO Yu, LI Guang-shuai, ZHENG Gang. Influencing factors of deep excavation on bearing capacity and settlement of piles beneath excavation[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 207-211. DOI: 10.11779/CJGE2017S2050
Citation: DIAO Yu, LI Guang-shuai, ZHENG Gang. Influencing factors of deep excavation on bearing capacity and settlement of piles beneath excavation[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 207-211. DOI: 10.11779/CJGE2017S2050
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Influencing factors of deep excavation on bearing capacity and settlement of piles beneath excavation

  • 1. Key Laboratory of Coast Civil Structure Safety of Ministry of Education, Tianjin University, Tianjin 300072, China;
    2. Department of Civil Engineering, Tianjin University, Tianjin 300072, China

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  • Received Date: August 01, 2017
  • Published Date: December 19, 2017
    Graphical Abstract
    • Abstract
  • The deep excavation has a significant influence on the bearing capacity and settlement of piles beneath excavation. However, there are few researches on the influencing factors, especially the distribution of strata. In this study two types of pile load tests are simulated. One is the pile load tests with pile casing in excavation range (TS), and the other is the pile load tests after excavation (TE). Through analyzing and comparing the results of tests, such as load-settlement relationship and skin friction, the effect of deep excavation on the bearing capacity and vertical stiffness can be obtained. It is found that the relative bearing capacity and relative vertical stiffness decrease with the increase of the relative width and depth of excavation. They increase with the increase of the relative effective pile length.
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    • References (15)
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