Journal ArticleDOI
Impact of the installation on the long-term cyclic behaviour of piles in sand: A numerical study
TLDR
In this article, the installation process changes the state of the soil in the vicinity of a pile and therefore influences its load-displacement behavior during the operational phase following the installation.About:
This article is published in Soil Dynamics and Earthquake Engineering.The article was published on 2020-11-01. It has received 25 citations till now. The article focuses on the topics: Pile.read more
Citations
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Long-term deformations of monopile foundations for offshore wind turbines studied with a high-cycle accumulation model
TL;DR: In this article, a parametric study on the long-term deformations of monopile foundations for offshore wind turbines is presented, where finite element calculations of a monopile in fine sand were performed with a high-cycle accumulation (HCA) model.
Journal ArticleDOI
Investigation of three sophisticated constitutive soil models: From numerical formulations to element tests and the analysis of vibratory pile driving tests
Jan Machaček,Jan Machaček,Patrick Staubach,Patrick Staubach,M. Tafili,Hauke Zachert,Torsten Wichtmann +6 more
TL;DR: In this article, the performance of three advanced constitutive models has been evaluated based on element tests and on a comparative study on the simulation of vibratory pile driving tests in saturated sand.
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From cyclic sand ratcheting to tilt accumulation of offshore monopiles: 3D FE modelling using SANISAND-MS
TL;DR: In this article, serviceability criteria for offshore monopiles include the estimation of long-term, permanent tilt under repeated operational loads, and experimental analysis methods are used to evaluate the performance of these criteria.
Journal ArticleDOI
Vibratory pile driving in water-saturated sand: Back-analysis of model tests using a hydro-mechanically coupled CEL method
TL;DR: In this article, the development of a hydro-mechanically coupled Coupled-Eulerian-Lagrangian (CEL) method and its application to the back-analysis of vibratory pile driving model tests in water-saturated sand is presented.
Journal ArticleDOI
A high-cycle accumulation model for clay and its application to monopile foundations
TL;DR: In this article , a high-cycle accumulation (HCA) model predicting the accumulation of permanent strain or excess pore water pressure in clay under a large number of load cycles is presented.
References
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Journal ArticleDOI
Computational methods in Lagrangian and Eulerian hydrocodes
TL;DR: The basic explicit finite element and finite difference methods that are currently used to solve transient, large deformation problems in solid mechanics are reviewed.
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Dynamic behaviour of saturated porous media; The generalized Biot formulation and its numerical solution
O. C. Zienkiewicz,T. Shiomi +1 more
TL;DR: In this article, the basic equations of motion for porous media were established by Biot and despite many subsequent re-derivations, are, with minor modifications, relevant today, however, some changes of variables and approximations are on occasion useful, and their relative efficiency of solution in the numerical context is discussed.
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Simple plasticity sand model accounting for fabric change effects
TL;DR: In this article, a simple stress-ratio controlled, critical state compatible, sand plasticity model is presented, first in the triaxial and then in generalized stress space, and three novel aspects are introduced.
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A hypoplastic relation for granular materials with a predefined limit state surface
TL;DR: In this article, Wu et al. developed a hypoplastic theory for granular materials developed by Gudehus and Bauer and discussed the suitability of the Matsuoka/Nakai criterion for critical states.
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Hypoplastic model for cohesionless soils with elastic strain range
TL;DR: In this paper, a so-called intergranular strain has been added to a hypoplastic constitutive model, which represents the deformation of the interface layer between the grains.