An Analytical Method for the Longitudinal Vibration of a Large-Diameter Pipe Pile in Radially Heterogeneous Soil Based on Rayleigh–Love Rod Model

Zhimeng Liang, Chunyi Cui, Kun Meng, Yu Xin, Huafu Pei and Benlong Wang
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Zhimeng Liang: Department of Civil Engineering, Dalian Maritime University, Dalian 116026, China
Chunyi Cui: Department of Civil Engineering, Dalian Maritime University, Dalian 116026, China
Kun Meng: Department of Civil Engineering, Dalian Maritime University, Dalian 116026, China
Yu Xin: Department of Civil Engineering, Dalian Maritime University, Dalian 116026, China
Huafu Pei: Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China
Benlong Wang: Department of Civil Engineering, Dalian Maritime University, Dalian 116026, China

Mathematics, 2020, vol. 8, issue 9, 1-11

Abstract: Based on the Rayleigh–Love rod model and Novak’s plane-strain theory, an analytical method for the longitudinal vibration of a large-diameter pipe pile in radially heterogeneous soil is proposed. Firstly, the governing equations of the pile-soil system are established by taking both the construction disturbance effect and transverse inertia effect into account. Secondly, the analytical solution of longitudinal dynamic impedance at the pile top can be achieved by using Laplace transform and complex stiffness transfer techniques. Thirdly, the present analytical solution for dynamic impedance can also be performed in contrast with the existing solution to examine the correctness of the analytical method in this work. Further, the effect of pile Poisson’s ratio, pile diameter ratio as well as soil disturbed degree on the dynamic impedance are investigated. The results demonstrate that the Rayleigh–Love rod is appropriate for simulating the vibration of a large-diameter pipe pile in heterogeneous soils.

Keywords: pile vibration; analytical method; Rayleigh–Love rod model; dynamic impedance; complex stiffness transfer method; construction disturbance effect (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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