Abstract
This paper presents a novel constitutive model for modeling creep behaviour of granular materials. The model consists of a frictional part and a viscous part representing the frictional and the viscous stresses in granular media, respectively. The frictional part is a simple critical state hypoplastic constitutive model, while the viscous part is a rheological model. The proposed model is validated by simulating some element tests on granular soils. The new model can describe the three creep stages, namely primary, secondary, and tertiary creep, in a unified way.
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The research carried out in this paper is partly funded by the project “GEORAMP” within the RISE programme of Horizon 2020 under grant number 645665.
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Wang, S., Wu, W., Yin, Z. (2018). Creep Modelling of Granular Material. In: Zhou, A., Tao, J., Gu, X., Hu, L. (eds) Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours. GSIC 2018. Springer, Singapore. https://doi.org/10.1007/978-981-13-0125-4_30
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DOI: https://doi.org/10.1007/978-981-13-0125-4_30
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