Numerical evaluation of scour effects on lateral behavior of pile groups in clay

Wang, Zengliang; Zhou, Hang; Franza, Andrea; Liu, Hanlong

doi:10.1016/j.compgeo.2022.104913

Cited by 15 publications

(3 citation statements)

References 31 publications

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“…The vibration characteristics of passive pile group under adjacent moving loads have been rarely reported. Moreover, Wang et al 12 . further reported the lateral vibration of 3D FE‐based group piles in sand induced by the local scour.…”

Section: Introductionmentioning

confidence: 99%

“…[7][8][9][10][11] The vibration characteristics of passive pile group under adjacent moving loads have been rarely reported. Moreover, Wang et al 12 further reported the lateral vibration of 3D FE-based group piles in sand induced by the local scour. Rajeswari and Sarkar 13 performed the 3D numerical analysis for the batter performance of pile foundations to seismic motions with a wide spread of maximum surface acceleration.…”

Section: Introductionmentioning

confidence: 99%

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3D analytical modeling of moving‐loading induced pile‐group behavior in stratified cross‐anisotropic poroelastic water‐saturated soils based on two stage theory

Yang,

Jia

2024

Num Anal Meth Geomechanics

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The aim of this paper is to propose a two‐stage theory‐based analytical method for the dynamic performance of pile groups in layered poroelastic saturated cross‐anisotropic soils induced by moving loadings. Among them, the free‐field vibrational analysis of saturated soils is performed by the analytical element‐layer approach (ALEA) and Fourier transformation. Based on the free‐field response, the boundary element (BE) solution for the soil resistance at the soil‐pile interface is derived utilizing the two‐stage theory. Simultaneously, the finite element (FE) solutions for the pile shaft resistance and deformation of pile groups are derived based on the Timoshenko beam theory. Finally, the FE‐BE coupled dynamic equation for deformations and internal loadings of the soil‐pile system is obtained. Thereafter, the reliability of the proposed method is validated by comparing with existing solutions and FE data from ABAQUS. Based on the derived solutions, a comprehensive parametric study is performed to examine the effects of loading amplitude, force speed, soft soil‐layer stiffness, soil anisotropy, and pile length on the dynamic responses of pile groups.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

3D analytical modeling of moving‐loading induced pile‐group behavior in stratified cross‐anisotropic poroelastic water‐saturated soils based on two stage theory

Yang,

Jia

2024

Num Anal Meth Geomechanics

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“…Furthermore, Studies on mountainous village buildings mostly focus on single building impact and soaking effects [20][21][22] , while the masking effect between buildings during floods is often overlooked. Little research has been done on how the building group's masking effect affects foundation bearing capacity 23,24 . Additionally, buildings in different locations vary in their ability to resist floods and the energy reduction they experience, impacting their safety differently.…”

mentioning

confidence: 99%

Investigating the bearing performance of the foundation under the combined effects of flood scouring and soaking

Han,

Ding,

Yan

et al. 2023

Sci Rep

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Bearing capacity degradation of foundations under the impact of the flood is one of the major reasons responsible for the collapse and damage to the rural buildings, posing a serious threat to the local village societies. Based on a case study of a rural building foundation had been destroyed by flooding. This paper investigated the deterioration process of rural building foundations under the combined effect of dynamic scouring and static soaking caused by flooding. Using the two-dimensional shallow water equation, erosion depth was calculated for different flood velocities. Then, the bearing capacity degradation under the combined scouring-soaking effect was analyzed using the finite element method. Finally, investigating the influence of inflow direction and building group masking on the foundation's bearing capacity. The results indicate that under the combined effect, the bearing capacity of village building foundations decreases by 47.88%, with scouring slightly more impactful than soaking. Inflow angle has minimal effect on bearing performance, while the masking effect of the building group provides better protection for the foundation of rear buildings.

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Micromechanical analysis of the particle corner breakage effect on pile load performance in coral sand

Yin

Ding

2023

Acta Geotech.

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Numerical evaluation of scour effects on lateral behavior of pile groups in clay

Cited by 15 publications

References 31 publications

3D analytical modeling of moving‐loading induced pile‐group behavior in stratified cross‐anisotropic poroelastic water‐saturated soils based on two stage theory

3D analytical modeling of moving‐loading induced pile‐group behavior in stratified cross‐anisotropic poroelastic water‐saturated soils based on two stage theory

Investigating the bearing performance of the foundation under the combined effects of flood scouring and soaking

Micromechanical analysis of the particle corner breakage effect on pile load performance in coral sand

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