An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space

A new mathematical model of a floating pile embedded in a viscoelastic saturated soil for low-strain integrity detection is proposed using the theory of porous media. The saturated surrounding soil is divided into Novak’s thin layers along the pile length and a homogeneous half-space underlying the...

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Main Authors:	Chunyi Cui, Shiping Zhang, Kun Meng, Chengshun Xu, Gang Yang
Format:	Article
Language:	English
Published:	SAGE Publishing 2018-09-01
Series:	International Journal of Distributed Sensor Networks
Online Access:	https://doi.org/10.1177/1550147718803315

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spelling	doaj-b4055dd3dc7f4d469486afd54c1a83a12020-11-25T03:39:32ZengSAGE PublishingInternational Journal of Distributed Sensor Networks1550-14772018-09-011410.1177/1550147718803315An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-spaceChunyi Cui0Shiping Zhang1Kun Meng2Chengshun Xu3Gang Yang4College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, ChinaDepartment of Civil Engineering, Dalian Maritime University, Dalian, ChinaDepartment of Civil Engineering, Dalian Maritime University, Dalian, ChinaCollege of Architecture and Civil Engineering, Beijing University of Technology, Beijing, ChinaDepartment of Civil Engineering, Dalian Maritime University, Dalian, ChinaA new mathematical model of a floating pile embedded in a viscoelastic saturated soil for low-strain integrity detection is proposed using the theory of porous media. The saturated surrounding soil is divided into Novak’s thin layers along the pile length and a homogeneous half-space underlying the pile base to consider the effect of excitation frequency on the dynamic stiffness of the soil beneath the pile base. And the corresponding analytical solutions for the dynamic impedance and the reflected wave signal of vertical velocity at the pile head are derived and verified by comparing its reduced solution with the existing solutions for the end-bearing pile. In addition, an extensive parametric analysis is further conducted to investigate the effects of the slenderness ratio of pile, the modulus ratio of pile to the surrounding soil, and the permeability coefficient of saturated soil on the vertical vibration characteristics of the pile–soil interaction system.https://doi.org/10.1177/1550147718803315
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Chunyi Cui Shiping Zhang Kun Meng Chengshun Xu Gang Yang
spellingShingle	Chunyi Cui Shiping Zhang Kun Meng Chengshun Xu Gang Yang An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space International Journal of Distributed Sensor Networks
author_facet	Chunyi Cui Shiping Zhang Kun Meng Chengshun Xu Gang Yang
author_sort	Chunyi Cui
title	An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space
title_short	An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space
title_full	An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space
title_fullStr	An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space
title_full_unstemmed	An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space
title_sort	analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space
publisher	SAGE Publishing
series	International Journal of Distributed Sensor Networks
issn	1550-1477
publishDate	2018-09-01
description	A new mathematical model of a floating pile embedded in a viscoelastic saturated soil for low-strain integrity detection is proposed using the theory of porous media. The saturated surrounding soil is divided into Novak’s thin layers along the pile length and a homogeneous half-space underlying the pile base to consider the effect of excitation frequency on the dynamic stiffness of the soil beneath the pile base. And the corresponding analytical solutions for the dynamic impedance and the reflected wave signal of vertical velocity at the pile head are derived and verified by comparing its reduced solution with the existing solutions for the end-bearing pile. In addition, an extensive parametric analysis is further conducted to investigate the effects of the slenderness ratio of pile, the modulus ratio of pile to the surrounding soil, and the permeability coefficient of saturated soil on the vertical vibration characteristics of the pile–soil interaction system.
url	https://doi.org/10.1177/1550147718803315
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An analytical solution for integrity detection of a floating pile embedded in saturated viscoelastic half-space

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