Modeling lightweight cemented backfill considering progressive breakage
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(Accepted version)
Date
2020
Authors
Yu, C.
Deng, A.
Nguyen, G.
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Journal article
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Computers and Geotechnics, 2020; 125:103664-1-103664-8
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Chengjun Yu, An Deng, Giang Nguyen
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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.
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© 2020 Elsevier Ltd. All rights reserved.