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Volume 46 Issue S1
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LI Zhipeng, LI Yiliang, ZHANG Yuting. Experimental study on dynamic strength of breakwater foundation under wave loads[J]. Chinese Journal of Geotechnical Engineering, 2024, 46(S1): 186-190. DOI: 10.11779/CJGE2024S10027
Citation: LI Zhipeng, LI Yiliang, ZHANG Yuting. Experimental study on dynamic strength of breakwater foundation under wave loads[J]. Chinese Journal of Geotechnical Engineering, 2024, 46(S1): 186-190. DOI: 10.11779/CJGE2024S10027
shu

Experimental study on dynamic strength of breakwater foundation under wave loads

  • 1.

    Tianjin Survey and Design Institute for Water Transport Engineering Co., Ltd., Tianjin Key Laboratory of Surveying and Mapping for Waterway Transport Engineering, Tianjin 300456, China

  • 2.

    Tianjin Research Institute for Water Transport Engineering, M.O.T., National Engineering Laboratory for Port Hydraulic Construction Technology, Tianjin 300456, China

  • 3.

    Henan Academy of Geology, Zhengzhou 450001, China

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  • Received Date: April 27, 2024
    Graphical Abstract
    • Abstract
  • By simulating wave loads, the dynamic triaxial shear tests foundation soils of on breakwaters under isobaric consolidation and undrained flow are carried out. The analysis shows that the cyclic shear stress ratio can be fitted by the power function with failure frequency, but the fitting parameters are not constant. The pore water pressure of soils will increase continuously in the course of shear, but it does not reach the initial value of confining pressure. When it reaches the failure standard, it is about 60%~80% of the initial confining pressure. The relationship between the dynamic pore pressure ratio and the vibration frequency ratio can be well fitted by the power function, and the fitting parameters are not constant, which are related to soil properties. At the beginning, the axial strain is very small, and the compressive strain is less than the tensile strain. At the middle and later stages, the axial strain increases rapidly, and the compressive strain gradually exceeds the tensile strain.
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    • References (10)
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