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Type: Journal article
Title: Three-dimensional discrete element modeling of direct shear test for granular rubber-sand
Author: Wang, C.
Deng, A.
Taheri, A.
Citation: Computers and Geotechnics, 2018; 97:204-216
Publisher: Elsevier
Issue Date: 2018
ISSN: 0266-352X
Statement of
Can Wang, An Deng, Abbas Taheri
Abstract: Three-dimensional discrete element modeling of direct shear test conducted on granular rubber–sand is presented. Excellent agreement was attained between the simulation and test results, verifying the model’s capacity of examining mixtures shear behavior. Important particulate-scale observations were attained, including the inter-particle contacts force, particles displacement and rotation, porosity and their variation with rubber particle contents. The observations demonstrate that the rubber particles inclusion amends the mixture stiffness, grading and packing at the particulate level, leading to a corresponding variation in the material shear behavior. Some interesting particulate-level simulations were examined to gain further insight into micro-mechanic characteristics of the mixtures.
Keywords: Direct shear test; rubber; sand; discrete element; contact force; shear band
Description: Available online 03 February 2018
Rights: © 2018 Elsevier Ltd. All rights reserved.
RMID: 0030085041
DOI: 10.1016/j.compgeo.2018.01.014
Appears in Collections:Civil and Environmental Engineering publications

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