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Volume 39 Issue z2
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YU Jian-lin, LI Jun-yuan, WANG Chuan-wei, ZHANG Jia-lin, GONG Xiao-nan, CHEN Chang-fu, SONG Er-xiang. Stability of composite foundation improved by rigid piles under embankment considering different failure modes of piles[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 37-40. DOI: 10.11779/CJGE2017S2010
Citation: YU Jian-lin, LI Jun-yuan, WANG Chuan-wei, ZHANG Jia-lin, GONG Xiao-nan, CHEN Chang-fu, SONG Er-xiang. Stability of composite foundation improved by rigid piles under embankment considering different failure modes of piles[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 37-40. DOI: 10.11779/CJGE2017S2010
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Stability of composite foundation improved by rigid piles under embankment considering different failure modes of piles

  • 1. Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China;
    2. Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang University, Hangzhou 310058, China;
    3. Institute of Geotechnical Engineering, Hunan University, Changsha 410082, China;
    4. Department of Civil Engineering, Tsinghua University, Beijing 100084, China

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  • Received Date: August 01, 2017
  • Published Date: December 19, 2017
    Graphical Abstract
    • Abstract
  • The stability analysis methods for composite foundation improved by rigid piles under embankment are imperfect at present. The finite element method is used to analyze the damage process and failure mode of the piles under embankment. Due to the position of piles, there are significant differences between rigid piles to the contribution of embankment stability. The failure modes of piles can be divided into three categories: compression failure, bending failure and tensile failure, and the piles can be classified and partitioned according to their failure modes. Based on the principle of the limit equilibrium methods, the stability analysis method for rigid pile composite foundation under embankment considering the difference of failure modes is put forward and compared with other four kinds of stable analysis methods. It is shown that the results of this method are the closest to those of numerical analysis method, and this method is reasonable and feasible.
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    • References (10)
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