FE simulation of rate-dependent behaviours of polymer geosynthetic reinforcements for an estimation of mobilized tensile force in a reinforced soil
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Author list: Shi W., Peng F., Kongkitkul W.
Publisher: Elsevier
Publication year: 2016
Journal: Computers and Geotechnics (0266-352X)
Volume number: 80
Start page: 49
End page: 58
Number of pages: 10
ISSN: 0266-352X
eISSN: 1873-7633
Languages: English-Great Britain (EN-GB)
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Abstract
Polymer geosynthetic reinforcements exhibit obvious viscous behaviours depending on the loading strain rate. These behaviours can be accurately described using a nonlinear three-component constitutive model. After implementing this model into the finite element software ABAQUS, it can be widely used for the analysis of geosynthetic-reinforced soil problems. The algorithm for the numerical integration of this elasto-viscoplastic model is explained in detail. Simulations of both in-isolation geosynthetic reinforcement and geosynthetic-reinforced soil specimen are performed to analyse the viscous behaviours of polymer geosynthetics under complex loading histories. The corresponding user subroutines are provided in the supplementary data for potential readers. ฉ 2016 Elsevier Ltd
Keywords
Nonlinear three-component model, Rate-dependent behaviour
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