Vertical dynamic response of a floating pipe pile considering the soil plug effect

被引：0

作者：

Zhao, Rui ^{[1
]}

Dai, Denghui ^{[1
,2
]}

Zhang, Ning ^{[2
]}

Wu, Guangfan ^{[3
]}

Ye, Mao ^{[1
,4
]}

Shen, Fanming ^{[1
]}

Lu, Haijun ^{[1
]}

机构：

[1] Hohai Univ, Key Lab, Minist Educ Geomech & Embankment Engn, Nanjing 210098, Peoples R China

[2] Anhui Jianzhu Univ, Anhui Prov Key Lab Intelligent Underground Detect, Hefei 230601, Peoples R China

[3] Jiangsu Elect Power Design Inst Co Ltd, China Energy Engn Grp, Nanjing 211102, Peoples R China

[4] Hailiang Anhui Copper Co Ltd, Tongling 244100, Peoples R China

来源：

SOIL DYNAMICS AND EARTHQUAKE ENGINEERING | 2025年 / 191卷

关键词：

Pipe pile; Soil plug effect; Fictitious soil pile; Three-dimensional continuum model; Vertical vibration; VISCOELASTIC SOIL; VIBRATION; BEHAVIOR; MODEL;

D O I：

10.1016/j.soildyn.2025.109247

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

This paper investigated the influence of soil plug effect on the vertical dynamic response of a floating pipe pile based on a three-dimensional continuum model and a fictitious soil pile model. An analytical solution for the vertical dynamic response of a floating pipe pile subjected to an upper dynamic load in the frequency domain is derived using the variable separation method. The three-dimensional characteristics of soil and the coupling dynamic interaction between the pile and the soil are considered comprehensively. Utilizing the developed solution, a parametric analysis is conducted to investigate the impact of various parameters, such as soil plug density, elastic modulus, and Poisson's ratio, on the vertical dynamic response of the pipe pile. The findings and conclusions of the parametric analysis facilitate a better understanding and prediction of the dynamic response of pile foundations across different frequency ranges.

引用

页数：9

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