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Horizontal Vibration Characteristics of a Tapered Pile in Arbitrarily Layered Soil

Author

Listed:
  • Xiaoyan Yang

    (Faculty of Engineering, Zhejiang Institute, China University of Geosciences, Wuhan 430074, China)

  • Guosheng Jiang

    (Faculty of Engineering, Zhejiang Institute, China University of Geosciences, Wuhan 430074, China)

  • Hao Liu

    (Faculty of Engineering, Zhejiang Institute, China University of Geosciences, Wuhan 430074, China
    Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China
    Research Center of Coastal Urban Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China)

  • Wenbing Wu

    (Faculty of Engineering, Zhejiang Institute, China University of Geosciences, Wuhan 430074, China
    Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China
    Research Center of Coastal Urban Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China)

  • Guoxiong Mei

    (Faculty of Engineering, Zhejiang Institute, China University of Geosciences, Wuhan 430074, China
    Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China)

  • Zijian Yang

    (Faculty of Engineering, Zhejiang Institute, China University of Geosciences, Wuhan 430074, China)

Abstract

A tapered pile (TP) is a new type of pile with a good bearing capacity, and scholars have conducted in-depth research on its static bearing characteristics. However, there is relatively little research on its dynamic bearing characteristics. In this paper, the horizontal vibration behavior of a tapered pile in arbitrarily layered soil is studied. Utilizing the Winkler foundation model and Timoshenko beam model to simulate pile-surrounding soil (PSS) and a tapered pile, respectively, the horizontal vibration model of a tapered pile embedded in layered soil was built. The analytical solutions for the horizontal displacement (HD), bending moment (BM), and shear force (SF) of a tapered pile were derived, and then the solutions for the horizontal dynamic impedance (HDI), rocking dynamic impedance (RDI), and horizontal-rocking coupling dynamic impedance (HRDI) of pile head were obtained. Using the present solutions, the effects of soil and pile properties on the horizontal vibration characteristics of a tapered pile were systemically studied. The ability of a tapered pile–soil system to resist horizontal vibration can be improved by strengthening the upper soil, but this ability cannot be further improved by increasing the thickness of the strengthened upper soil if its thickness is greater than the critical influence thickness.

Suggested Citation

  • Xiaoyan Yang & Guosheng Jiang & Hao Liu & Wenbing Wu & Guoxiong Mei & Zijian Yang, 2022. "Horizontal Vibration Characteristics of a Tapered Pile in Arbitrarily Layered Soil," Energies, MDPI, vol. 15(9), pages 1-19, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3193-:d:803373
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    References listed on IDEAS

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    1. Wenbing Wu & Guosheng Jiang & Bin Dou & Chin Jian Leo, 2013. "Vertical Dynamic Impedance of Tapered Pile considering Compacting Effect," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-9, November.
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    Cited by:

    1. Wenjie Guan & Meixia Zhang & Zekun Wang & Guosheng Jiang & Wenqi Liu & Sheng Cao & Chin Jian Leo & Elieen An & Xiaodong Gao & Wenbing Wu, 2022. "Influence of the Three-Dimensional Effect of Pile-Soil System on the Vertical Dynamic Response of Large-Diameter Piles in Low-Strain Integrity Testing," Energies, MDPI, vol. 15(24), pages 1-23, December.

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