Computers and Geotechnics最新文献_第2页

Seismic bearing capacity of foundations incorporating excess pore water pressure generation during an earthquake

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-28 DOI: 10.1016/j.compgeo.2025.107226

Jyant Kumar, Sudipto Mukherjee

{"title":"Seismic bearing capacity of foundations incorporating excess pore water pressure generation during an earthquake","authors":"Jyant Kumar, Sudipto Mukherjee","doi":"10.1016/j.compgeo.2025.107226","DOIUrl":"10.1016/j.compgeo.2025.107226","url":null,"abstract":"<div><div>Considering the occurrence of an earthquake, the bearing capacity of a strip footing placed on a saturated cohesive-frictional soil mass has been computed by performing a pseudo-static rigorous analysis incorporating the existence of (i) excess pore water pressures, and (ii) additional seismic- tractions and body forces. The analysis has been carried out by using lower and upper bounds finite elements limit analysis (FELA) in conjunction with the second order cone programming (SOCP) using the Mohr-Coulomb (MC) yield criterion. The generation of the excess pore water pressure in the event of an earthquake has been incorporated by defining a pore pressure coefficient <span><math><msub><mi>r</mi><mi>u</mi></msub></math></span> − a ratio of the excess pore water pressure to the total vertical overburden stress at any point. The analysis has revealed that the bearing capacity reduces considerably with an increase in the magnitude of horizontal earthquake acceleration. For a given magnitude of earthquake acceleration, the bearing capacity reduces extensively further with an increase in the value of <em>r</em><sub>u</sub>. All the computational results have been presented in a non-dimensional manner, and for the validation purpose, necessary comparisons have also been made. The study will be useful for designing foundations in a seismically active zone.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107226"},"PeriodicalIF":5.3,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143714893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Predicting steady-state seepage flow in complex half-space using a modified scaled boundary finite element method

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-28 DOI: 10.1016/j.compgeo.2025.107228

Chuhao Huang , Jun Liu , Zhiqiang Hu , Lei Xiong , Zhi Liu , Lei Gan , Wenbin Ye , Gao Lin

{"title":"Predicting steady-state seepage flow in complex half-space using a modified scaled boundary finite element method","authors":"Chuhao Huang , Jun Liu , Zhiqiang Hu , Lei Xiong , Zhi Liu , Lei Gan , Wenbin Ye , Gao Lin","doi":"10.1016/j.compgeo.2025.107228","DOIUrl":"10.1016/j.compgeo.2025.107228","url":null,"abstract":"<div><div>Seepage problems in half-space domains are crucial in hydrology, environmental, and civil engineering, involving groundwater flow, pollutant transport, and structural stability. Typical examples include seepage through dam foundations, coastal aquifers, and levees under seepage forces, requiring accurate numerical modeling. However, existing methods face challenges in handling complex geometries, heterogeneous media, and anisotropic properties, particularly in multi-domain half-spaces. This study addresses these challenges by extending the modified scaled boundary finite element method (SBFEM) and using this method to explore steady seepage problems in complex half-space domain. In the modified SBFEM framework, segmented straight lines or curves, parallel to the far-field infinite boundary, are introduced as scaling lines, with a one-dimensional discretization applied to them, thereby reducing computational costs.Then the weighted residual method is applied to obtain the modified SBFEM governing equations and boundary conditions of steady-state seepage problem according to the Laplace diffusion equation and Darcy’s law. Furthermore, the steady seepage matrix at infinity is obtained by solving the eigenvalue problem of Schur decomposition and then the 4th-order Runge-Kutta algorithm is used to iteratively solve until the seepage matrix at the boundary lines is reached. Comparisons between the present numerical results and solutions available in the published work have been conducted to demonstrate the efficiency and accuracy of this method. At the same time, the influences of the geometric parameters and complex half-space domain on the seepage flow characteristics in complex half-space domain are investigated in detail.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107228"},"PeriodicalIF":5.3,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143714894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Interpretative framework for CPT p-y module tests in drained sands: a practical model for end effect elimination considering sand relative density and surcharge pressure

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-28 DOI: 10.1016/j.compgeo.2025.107205

Kai Wen , David J. White , Benjamin Cerfontaine , Susan Gourvenec , Andrea Diambra

{"title":"Interpretative framework for CPT p-y module tests in drained sands: a practical model for end effect elimination considering sand relative density and surcharge pressure","authors":"Kai Wen , David J. White , Benjamin Cerfontaine , Susan Gourvenec , Andrea Diambra","doi":"10.1016/j.compgeo.2025.107205","DOIUrl":"10.1016/j.compgeo.2025.107205","url":null,"abstract":"<div><div>Accelerating the current timeline of offshore wind projects is imperative to achieve global decarbonisation plans. In response, a novel in-situ site characterisation tool ROBOCONE is being developed to make the geotechnical design of offshore pile foundations more efficient by directly providing lateral <em>p</em>-<em>y</em> response data, reducing the need for offshore sampling and onshore laboratory testing. This device expands the kinematic range of standard cone penetrometer testing by integrating a robotic cylindrical section capable of horizontal translation, referred to as a p-y module. However, due to the finite length of p-y module, it is necessary to quantify ‘end effects’ to accurately derive <em>p</em>-<em>y</em> curves from the direct measurements of the p-y module. This paper presents detailed three-dimensional finite element analyses of the p-y module in sands, utilizing a bounding surface elastoplastic model that accounts for variations in stress–strain behaviour due to relative density and stress level. The resulting end effect model is underpinned by a two-stage optimisation process that considers key factors such as overburden pressure and relative density. The model’s predictive accuracy is proven through additional finite element analyses different to the calibration cases. The research outcomes offer a robust interpretative framework to accurately determine <em>p</em>-<em>y</em> curves for the design of laterally loaded offshore piles, using the ROBOCONE p-y module.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107205"},"PeriodicalIF":5.3,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143714895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Micromechanical and energetic investigation of shear behavior of sand-rubber mixtures: Effect of rubber content and normal pressure

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-28 DOI: 10.1016/j.compgeo.2025.107221

Zheng Hu , Qi Liu , Beibing Dai

{"title":"Micromechanical and energetic investigation of shear behavior of sand-rubber mixtures: Effect of rubber content and normal pressure","authors":"Zheng Hu , Qi Liu , Beibing Dai","doi":"10.1016/j.compgeo.2025.107221","DOIUrl":"10.1016/j.compgeo.2025.107221","url":null,"abstract":"<div><div>This paper presents a numerical investigation into the effect of rubber content and stress level on the mechanical behavior and energy transformation of sand-rubber mixtures (SRMs) under simple shear condition using a multibody meshfree method. The results reveal that the presence of rubber particles reduces interparticle contact forces, inhibits the formation of strong force chains, and promotes a more uniform force network. The input work is predominantly transformed into strain energy, damping energy, and slipping energy, with the transformation mode heavily dependent on the rubber content and normal stress, which govern the compressibility of SRMs in relation to rubber particles' deformability and the frictional dissipation capacity associated with interparticle friction conditions. The incorporation of rubber particles also enhances the strain energy storage capacity, which is attributed to the restricted particle slipping and rolling behaviors, as well as the diminished particle surface asperity due to rubber particle deformations. These findings provide insights into the macro- and micro-mechanical behavior of SRMs, bridging the gap between the energy transformation and the mechanical response of SRMs, and contributing to the development of more efficient and sustainable geomaterials.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107221"},"PeriodicalIF":5.3,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143714896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cylindrical cavity expansion solutions using the non-orthogonal elastoplastic clay model

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-28 DOI: 10.1016/j.compgeo.2025.107224

Dechun Lu , Yun Chen , Xin Zhou , Xiuli Du

{"title":"Cylindrical cavity expansion solutions using the non-orthogonal elastoplastic clay model","authors":"Dechun Lu , Yun Chen , Xin Zhou , Xiuli Du","doi":"10.1016/j.compgeo.2025.107224","DOIUrl":"10.1016/j.compgeo.2025.107224","url":null,"abstract":"<div><div>This study provides semi-analytical solutions for the cylindrical cavity expansion (CCE) problem, utilizing the non-orthogonal elastoplastic clay (NEPC) model. The analysis covers both undrained and drained scenarios. The NEPC model captures the soil’s softness/hardness and volume change behavior using only a fractional order parameter, without requiring an additional plastic potential function. After a brief introduction to the NEPC model, we derive solutions by solving a system of closed-form ordinary differential equations that involve the material derivative of effective stresses. The presented semi-analytical solutions are validated through finite element (FE) solutions which are obtained on an implicit unconstrained stress update algorithm. The impact of the fractional order on the expansion process is analyzed and discussed in depth, covering the normal and over-consolidated soils. The presented solutions provide a framework for analyzing CCE in clay, considering the softness/hardness and volume change behavior of the soil, and can act as a benchmark for validating numerical solutions for non-orthogonal elastoplastic models.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107224"},"PeriodicalIF":5.3,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143714897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced elastoplasticity-based frictional-collisional model for solid–fluid phase transition of granular media

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-27 DOI: 10.1016/j.compgeo.2025.107218

Hang Feng , Zhen-Yu Yin

{"title":"Enhanced elastoplasticity-based frictional-collisional model for solid–fluid phase transition of granular media","authors":"Hang Feng , Zhen-Yu Yin","doi":"10.1016/j.compgeo.2025.107218","DOIUrl":"10.1016/j.compgeo.2025.107218","url":null,"abstract":"<div><div>Accurately describing the solid-like and fluid-like behaviors of granular media is crucial in geotechnical engineering. While the unified frictional-collisional model, integrating rate-independent frictional and rate-dependent collisional stresses, is widely used for solid–fluid phase transitions, an effective model is still under investigation, and comprehensive analyses are lacking. This study addresses these gaps by developing an enhanced elastoplasticity-based frictional-collisional model. The frictional stress is modeled using a critical-state-based elastoplasticity approach, and the collisional stress is formulated through an enhanced kinetic theory incorporating particle stiffness. Subsequently, comprehensive element simulations are conducted to explore the effects of concentration, particle stiffness, and strain rate paths on the model. The proposed model’s effectiveness is also validated against experimental data. Finally, a detailed comparison with the typical <em>μ</em>(I) rheology model and a state-equation-based phase transition model is conducted. Our analyses show that the developed model effectively captures strain rate path and particle stiffness through the collisional stress component, while concentration-dependent characteristics are captured through both frictional and collisional stress components. Through comparative analyses, we also found that both the state-equation-based and elastoplasticity-based models depict solid-like behavior and replicate the rheology of granular media in a fluid-like state, similar to the <em>μ</em>(I) model. However, they differ in implementing critical state theory: the state-equation-based model acts as a partial-range phase transition model, describing stress evolution from the critical state to the fluid-like state, while the proposed elastoplasticity-based model serves as a full-range phase transition model, covering stress evolution from the initial to the fluid-like state.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107218"},"PeriodicalIF":5.3,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143705860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The strength evaluation of cement-mixed soil considering mixing quality using image analysis and Bayesian approach

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-27 DOI: 10.1016/j.compgeo.2025.107225

Zhi Li , Kiyonobu Kasama , Lihang Hu , Junyan Yu , Yi He , Yuichi Yahiro

{"title":"The strength evaluation of cement-mixed soil considering mixing quality using image analysis and Bayesian approach","authors":"Zhi Li , Kiyonobu Kasama , Lihang Hu , Junyan Yu , Yi He , Yuichi Yahiro","doi":"10.1016/j.compgeo.2025.107225","DOIUrl":"10.1016/j.compgeo.2025.107225","url":null,"abstract":"<div><div>Cement mixing techniques are widely used to improve the mechanical properties of weak soils in geotechnical engineering. However, due to the influence of various factors such as material properties, mixing conditions, and curing conditions, cement-mixed soil exhibits pronounced spatial variability which is greater than that of natural soil deposits, introducing additional uncertainty into the measurement and evaluation of its unconfined compressive strength. The purpose of this study is to propose a novel framework that integrates image analysis with Bayesian approach to evaluate the unconfined compressive strength of cement-mixed soil. A portable scanner is used to capture high-quality digital images of cement-mixed soil specimens. Mixing Index (<em>MI</em>) is defined to effectively evaluate mixing quality of specimens. An equation describing the relationship between water cement ratio (<em>W</em>/<em>C</em>) and unconfined compressive strength (<em>q</em><sub>u</sub>) is introduced to estimate the strength of uniform specimens. To estimate the strength of non-uniform specimens, the equation is developed by integrating <em>MI</em> with the strength of uniform specimens. The coefficients of equations are obtained using Bayesian approach and Markov Chain Monte Carlo (MCMC) method, which effectively estimating the strength of both uniform and non-uniform specimens, with coefficients of determination (<em>R</em><sup>2</sup>) of 0.9858 and 0.8745, respectively. For each specimen, a distribution of estimated strength can be obtained rather than a single fixed estimate, providing a more comprehensive understanding of the variability in strength. Bayesian approach robustly quantifies uncertainties, while image analysis serves as a convenient and non-destructive method for strength evaluation, providing accurate method for optimizing the mechanical properties of cement-mixed soil.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107225"},"PeriodicalIF":5.3,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143705861","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical prediction of a pile’s response under lateral monotonic and cyclic loading

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-27 DOI: 10.1016/j.compgeo.2025.107181

H. Abdellatif , J. Duque , M. Tafili , D. Mašín , T. Wichtmann

{"title":"Numerical prediction of a pile’s response under lateral monotonic and cyclic loading","authors":"H. Abdellatif , J. Duque , M. Tafili , D. Mašín , T. Wichtmann","doi":"10.1016/j.compgeo.2025.107181","DOIUrl":"10.1016/j.compgeo.2025.107181","url":null,"abstract":"<div><div>This article presents the findings of a comprehensive assessment of the predictive capabilities and limitations of advanced geotechnical numerical tools utilizing two sophisticated constitutive models for sands: the hardening soil model with small strains and hypoplasticity with intergranular strain. The evaluation is based on simulations of laboratory and centrifuge tests under monotonic and cyclic loading conditions. Initially, these models were calibrated and assessed using an experimental database on Fontainebleau sand. This database encompasses a range of laboratory results, including isotropic compression, drained monotonic triaxial, and undrained cyclic triaxial tests with varying initial conditions. The models, in general, provided good representation for monotonic experiments while some discrepancies were observed in undrained cyclic experiments. Subsequently, the calibrated models were employed to replicate a series of centrifuge tests involving a pile embedded in the same sand. The pile was subjected to various episodes of monotonic and cyclic lateral loading. In general, the models accurately replicated the experimental observations from tests conducted under monotonic loading conditions. Some small discrepancies were found in pile tests subjected to cyclic loading, these were however minor when compared to issues in predicting cyclic element tests at undrained conditions.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107181"},"PeriodicalIF":5.3,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143714892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel inversion approach for seepage parameter of concrete face rockfill dams based on an enhanced sparrow search algorithm

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-26 DOI: 10.1016/j.compgeo.2025.107214

Yaxin Feng , Bin Tian , Zhenzhong Shen , Yiqing Sun , Hongwei Zhang , Liqun Xu , Lei Gan , Runying Wang

{"title":"A novel inversion approach for seepage parameter of concrete face rockfill dams based on an enhanced sparrow search algorithm","authors":"Yaxin Feng , Bin Tian , Zhenzhong Shen , Yiqing Sun , Hongwei Zhang , Liqun Xu , Lei Gan , Runying Wang","doi":"10.1016/j.compgeo.2025.107214","DOIUrl":"10.1016/j.compgeo.2025.107214","url":null,"abstract":"<div><div>In order to rapidly and accurately determine the dam body and foundation permeability coefficients of concrete face rockfill dam, an improved sparrow search algorithm and the Support Vector Machine are combined to propose an ISSA-SVR model. In the ISSA, the Circle mapping initialization population position, periodic convergence factor, and Levy flight are employed to deal with uneven initial population distribution and easily fall into local optimum in the traditional sparrow search algorithm. The effectiveness of the proposed ISSA is verified by six classical test functions. The ISSA has been improved in terms of convergence speed, convergence accuracy, and stability. The simple seepage calculation of the earth-rock dam section proves that the improved ISSA-SVR model has smaller discreteness and higher accuracy than the SSA-SVR model and SVR model in parameter inversion. The ISSA-SVR model is applied in a practical project, and the relative error between the calculated value and the measured value of the water head at each measuring point is within 5 %. The seepage field distribution of the dam body is investigated, and the anti-seepage system blocks 91.9 % of the total water head. The anti-seepage sensitivity analysis of the peripheral joint shows that when the width of the joint reaches 20 mm, the penetration gradient of the cushion exceeds its allowable value. The research results confirm the superiority of the inversion model in the inversion of seepage parameters.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107214"},"PeriodicalIF":5.3,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143705859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing accuracy and efficiency in cyclic liquefaction modeling: An automatic calibration framework for advanced constitutive models

IF 5.3 1区工程技术

Computers and Geotechnics Pub Date : 2025-03-26 DOI: 10.1016/j.compgeo.2025.107208

Jan Machaček , Sheng Zeng , Mahdi Taiebat

{"title":"Enhancing accuracy and efficiency in cyclic liquefaction modeling: An automatic calibration framework for advanced constitutive models","authors":"Jan Machaček , Sheng Zeng , Mahdi Taiebat","doi":"10.1016/j.compgeo.2025.107208","DOIUrl":"10.1016/j.compgeo.2025.107208","url":null,"abstract":"<div><div>Precise calibration of constitutive models for cyclic liquefaction is essential but often time-consuming and requires significant expertise, limiting broader application in geotechnical practice. This paper introduces an automatic calibration tool designed to streamline the process for advanced constitutive models under both monotonic and cyclic loading. The tool supports various types of monotonic and cyclic laboratory test data, offers multiple choices of suitable comparison planes for error calculation, with a focus to also suit cyclic liquefaction problems, and employs advanced optimization techniques. The calibration follows a two-stage approach: first, optimizing parameters governing monotonic response using monotonic test data; second, refining these and additional parameters with both monotonic and cyclic data. The critical state parameters are fixed throughout, while the elasticity parameters are fixed in the second stage, all within defined bounds. Using this automatic calibration tool and the adapted calibration strategy, extensive element-level test data was used to determine the parameters of the SANISAND-MSf model for a given sand. These calibrated parameters were then used to simulate boundary value problems, including centrifuge tests of liquefiable sand slopes and sheet-pile-supported liquefiable sand deposits, all subjected to base excitations, demonstrating excellent alignment with experimental results. This validation highlights the robustness, reproducibility, and accuracy of the tool to model cyclic liquefaction while significantly reducing the expertise and time required for calibration. This represents a significant advancement toward the broader adoption of advanced constitutive soil models in geotechnical engineering practice.</div></div>","PeriodicalId":55217,"journal":{"name":"Computers and Geotechnics","volume":"183 ","pages":"Article 107208"},"PeriodicalIF":5.3,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0