Exploring packing density, critical state, and liquefaction resistance of sand-fines mixture using DEM
A series of monotonic and cyclic triaxial shearing tests are simulated by discrete element
method (DEM) to explore packing density, critical state, and liquefaction resistance of sand …
method (DEM) to explore packing density, critical state, and liquefaction resistance of sand …
Characteristics of MICP-and EICP-treated sands in simple shear conditions: a benchmarking with the critical state of untreated sand
Microbial-or enzyme-induced calcium carbonate (CaCO3) precipitation (MICP and EICP)
are relatively new ground improvement techniques. In this study, the mechanical behaviour …
are relatively new ground improvement techniques. In this study, the mechanical behaviour …
The critical state behaviour of granular material in triaxial and direct simple shear condition: A DEM approach
The critical state (CS), the anchor concept in the critical state soil mechanics (CSSM)
framework, has been comprehensively evaluated in triaxial stress conditions, where all the …
framework, has been comprehensively evaluated in triaxial stress conditions, where all the …
How particle shape affects the critical state, triggering of instability and dilatancy of granular materials–results from a DEM study
The discrete-element method (DEM) has gained popularity for developing a qualitative
understanding of soil behaviour under a critical state soil mechanics (CSSM) framework …
understanding of soil behaviour under a critical state soil mechanics (CSSM) framework …
Application of critical state approach to liquefaction resistance of sand–silt mixtures under cyclic simple shear loading
DD Porcino, T Triantafyllidis, T Wichtmann… - … of Geotechnical and …, 2021 - ascelibrary.org
An extensive experimental program of constant-volume (undrained) cyclic simple shear tests
was undertaken on Ticino, Italy, sand with different contents of nonplastic fines, ranging from …
was undertaken on Ticino, Italy, sand with different contents of nonplastic fines, ranging from …
The failure modes of granular material in undrained cyclic loading: A critical state approach using DEM
Cyclic liquefaction failure modes are directly related to the consequence of liquefaction and
important for mitigation strategies. Two common failure modes, cyclic mobility (CM) and …
important for mitigation strategies. Two common failure modes, cyclic mobility (CM) and …
Effect of particle shape on constitutive relation: DEM study
The influence of particle shape was evaluated under drained and undrained (constant
volume) condition using three-dimensional (3D) cubical assemblies of spheres, ellipsoids …
volume) condition using three-dimensional (3D) cubical assemblies of spheres, ellipsoids …
Advances in Coupling Computational Fluid Dynamics and Discrete Element Method in Geotechnical Problems
In some cases, the water content in granular soil increases to the extent that it becomes
saturated, which noticeably alters its responses. For example, the pore water pressure within …
saturated, which noticeably alters its responses. For example, the pore water pressure within …
Evaluating the particle rolling effect on the characteristic features of granular material under the critical state soil mechanics framework
The discrete element method (DEM) has been extensively used to capture the macroscopic
and particulate response of granular materials. Although particle rolling (ie controlled by …
and particulate response of granular materials. Although particle rolling (ie controlled by …
Modelling undrained behaviour of sand with fines and fabric anisotropy
MM Rahman, YF Dafalias - Acta Geotechnica, 2022 - Springer
Fabric anisotropy and fines content (fc) in sands modify significantly their mechanical
behaviour, particularly as related to static liquefaction under undrained conditions. The …
behaviour, particularly as related to static liquefaction under undrained conditions. The …