Effects of Gravel Content and Shape on Shear Behaviour of Soil-Rock Mixture: Experiment and DEM Modelling
Reads0
Chats0
TLDR
In this article, the influence of gravel content and shape distribution of limestone and basalt gravels on the shear strength of soil-rock mixture (SRM) at various stress conditions was evaluated.About:
This article is published in Computers and Geotechnics.The article was published on 2022-01-01 and is currently open access. It has received 57 citations till now. The article focuses on the topics: Sphericity & Discrete element method.read more
Citations
More filters
Journal ArticleDOI
Monte Carlo simulations of deformation behaviour of unbound granular materials based on a real aggregate library
TL;DR: In this article , the influence of the aggregate morphology on deformation behavior of unbound granular materials (UGMs) based on a real aggregate library and the discrete element method was investigated.
Journal ArticleDOI
Evaluation of coarse aggregate movement and contact unbalanced force during asphalt mixture compaction process based on discrete element method
TL;DR: In this article , the authors evaluated the stability of asphalt mixture aggregate network and the mechanism of coarse aggregate movement of the asphalt mixture during the compaction process, the Marshall impact compaction (MIC) process of asphalt mixtures was simulated through Discrete Element Method (DEM) and the new index of the coarse aggregate particles contact unbalance force was proposed.
Journal ArticleDOI
The Influence of Mixing Degree between Coarse and Fine Particles on the Strength of Offshore and Coast Foundations
TL;DR: In this paper , a series of discrete element method triaxial shear tests were conducted on binary geotechnical mixtures with a varying proportion of coarse content (25, 50% and 75%) and different mixing degrees (ranging from 0.0 to 1.0).
Journal ArticleDOI
Effect of Coarse Recycled Aggregate on Failure Strength for Asphalt Mixture Using Experimental and DEM Method
TL;DR: In this paper, both a uniaxial compression test and a direct tensile test were carried out to evaluate the failure strength of asphalt concrete with four coarse recycled aggregate (CRA) content.
Journal ArticleDOI
Evaluation on Deformation Behavior of Granular Base Material during Repeated Load Triaxial Testing by Discrete-Element Method
TL;DR: In this paper , the macroscopic and microscopic behavior of granular base material (GBM) under repeated load triaxial (RLT) testing by the discrete-element method was evaluated in numerical simulations.
References
More filters
Journal ArticleDOI
A state parameter for sands
K. Been,Michael Jefferies +1 more
TL;DR: In this paper, the authors present an appropriate physical parameter, termed the state parameter, that combines the influence of void ratio and stress level with reference to an ultimate (steady) state to describe sand behaviour.
Journal ArticleDOI
Study on the shear strength of soil–rock mixture by large scale direct shear test
Xu Wen-Jie,Xu Qiang,Hu Rui-Lin +2 more
TL;DR: In this article, the authors used a digital image processing (DIP) method to obtain the proportion and distribution of the rock blocks in soil-rock mixtures (S-RM) samples.
Journal ArticleDOI
Study on the mesostructure and mesomechanical characteristics of the soil–rock mixture using digital image processing based finite element method
Wen-jie Xu,Z.Q. Yue,Rui-lin Hu +2 more
TL;DR: The numerical results indicate that the existence of “rock” blocks in SRM will greatly influence the distribution and the failure models of the internal stress field, and three kinds of failure model of the SRM are put forward.
Journal ArticleDOI
An approach to predicting the overall strengths of unwelded bimrocks and bimsoils
TL;DR: In this article, the authors developed a preliminary Bim strength criterion, a generalized conceptual empirical approach for predicting the overall strength of unwelded bimrocks and bimsoils.
Journal ArticleDOI
Nonlinear Failure Envelope for Soils
TL;DR: In this paper, a simple expression for the variation of the angle of shearing strength with stress level is proposed, and the nonlinear failure envelope in terms of effective stresses for most soil and rock types can be described by a simple fourparameter expression of hyperbolic type.