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Type: Journal article
Title: Modeling lightweight cemented backfill considering progressive breakage
Author: Yu, C.
Deng, A.
Nguyen, G.
Citation: Computers and Geotechnics, 2020; 125:103664-1-103664-8
Publisher: Elsevier
Issue Date: 2020
ISSN: 0266-352X
Statement of
Chengjun Yu, An Deng, Giang Nguyen
Abstract: An analytical model for lightweight cemented backfill is presented. The model integrates elasto-brittle and elasto-plastic bodies, replicating responses of low-density materials and cementation that are present in backfills. The model uses a semi-implicit algorithm to iterate stress-strain solutions, and the universal shear contraction. The model was validated on a lightweight cemented backfill containing expanded polystyrene beads.
Keywords: Constitutive; Elasto-brittle; Elasto-plastic; Modified Cam Clay; Breakage; Yield surface
Rights: © 2020 Elsevier Ltd. All rights reserved.
DOI: 10.1016/j.compgeo.2020.103664
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Civil and Environmental Engineering publications

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