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Kinematic response of pipe piles subjected to vertically propagating seismic P-waves

Zheng, Changjie / Kouretzis, George / Luan, Lubao / Ding, Xuanming

This paper presents an analytical solution for determining the time-harmonic response of single open-ended pipe piles subjected to vertically propagating seismic P-waves. Following the presentation of the formulation, we employ the solution to derive closed-form expressions of seismic pipe pile displacements, as well as robust expressions to determine the depth- and frequency-dependent parameters of complex Winkler springs, for use with beam-on-dynamic-Winkler-foundation models. Finally, the importance of considering the contribution of the inner soil in the seismic analysis of pipe piles is quantified via a parametric sensitivity analysis.

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Kinematic response of pipe piles subjected to vertically propagating seismic P-waves

Zheng, Changjie / Kouretzis, George / Luan, Lubao / Ding, Xuanming

This paper presents an analytical solution for determining the time-harmonic response of single open-ended pipe piles subjected to vertically propagating seismic P-waves. Following the presentation of the formulation, we employ the solution to derive closed-form expressions of seismic pipe pile displacements, as well as robust expressions to determine the depth- and frequency-dependent parameters of complex Winkler springs, for use with beam-on-dynamic-Winkler-foundation models. Finally, the importance of considering the contribution of the inner soil in the seismic analysis of pipe piles is quantified via a parametric sensitivity analysis.

Kinematic response of pipe piles subjected to vertically propagating seismic P-waves

Zheng, Changjie / Kouretzis, George / Luan, Lubao / Ding, Xuanming

This paper presents an analytical solution for determining the time-harmonic response of single open-ended pipe piles subjected to vertically propagating seismic P-waves. Following the presentation of the formulation, we employ the solution to derive closed-form expressions of seismic pipe pile displacements, as well as robust expressions to determine the depth- and frequency-dependent parameters of complex Winkler springs, for use with beam-on-dynamic-Winkler-foundation models. Finally, the importance of considering the contribution of the inner soil in the seismic analysis of pipe piles is quantified via a parametric sensitivity analysis.

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Title:

Kinematic response of pipe piles subjected to vertically propagating seismic P-waves

Additional title:

Acta Geotech.

Contributors:

Zheng, Changjie (author) / Kouretzis, George (author) / Luan, Lubao (author) / Ding, Xuanming (author)

Published in:

Acta Geotechnica ; 16 ; 895-909

Publication date:

2021-03-01

Size:

15 pages

ISSN:

1861-1133 , 1861-1125

DOI:

https://doi.org/10.1007/s11440-020-01050-3

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Pipe piles , P-waves , Seismic response , Soil–pile interaction , Winkler springs Engineering , Geoengineering, Foundations, Hydraulics , Solid Mechanics , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics

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