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Volume 44 Issue 2
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ZHOU Hai-zuo, ZHENG Gang, HE Xiao-pei, LIU Xin-ju, TIAN Shuai, LIU Zhao-peng. Stability characteristics and analysis method for inclined retaining walls in excavations[J]. Chinese Journal of Geotechnical Engineering, 2022, 44(2): 271-277. DOI: 10.11779/CJGE202202008
Citation: ZHOU Hai-zuo, ZHENG Gang, HE Xiao-pei, LIU Xin-ju, TIAN Shuai, LIU Zhao-peng. Stability characteristics and analysis method for inclined retaining walls in excavations[J]. Chinese Journal of Geotechnical Engineering, 2022, 44(2): 271-277. DOI: 10.11779/CJGE202202008
shu

Stability characteristics and analysis method for inclined retaining walls in excavations

  • 1.

    Key Laboratory of Coast Civil Structure Safety (Tianjin University), Ministry of Education, Tianjin 300072, China

  • 2.

    School of Civil Engineering, Tianjin University, Tianjin 300072, China

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  • Received Date: December 16, 2020
  • Available Online: September 22, 2022
    Graphical Abstract
    • Abstract
  • The inclined strut-free retaining walls have the advantages in deformation and stability control. However, the insight into the stability theory of inclined retaining walls is limited. The whole process of deformation and failure of the inclined retaining walls during excavation is studied through numerical simulation, and the influences of parameters, including the inclined angle, the embedded ratio and the shear strength of the soil, on the factor of safety are analyzed. The method for calculating the anti-overturning stability and overall stability of the inclined retaining walls is derived, and the validation is carried out by comparing with the centrifuge tests. The results show that: (1) For the conventional inclination angle (≤20°), the inclined retaining walls experience overturning failure. (2) The capacity of the overturning resistance and deforming control of the inclined retaining walls are enhanced with the increasing inclination angle, buried depth of piles and shear strength of the soil. (3) The wall weight influences the pivot location, and the weight and the pivot can increase the anti-overturning moment of the retaining walls. Hence, the inclined retaining walls have a great anti-overturning capacity.
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    • References (14)
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