Abstract
This paper aims at presenting a more versatile and general method to determine the rheological (time-dependent) properties of soil, using prony series parameter fitting. The time dependent stress-strain test data (creep data) of soil is used to evaluate the prony-series parameters adopting the method of nonlinear least squares fit. This paper presents the extraction of prony-series parameters of local soil collected from the geotechnical in-situ lab site, IIT Kanpur. Creep test has been performed on the soil sample and the prony-parameters are calculated. Two finite element models are used to simulate and validate the time-dependent constitutive relationship of the soil in both static and dynamic loading conditions.
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Swain, A., Ghosh, P. (2019). Modelling Linear Viscoelastic Behaviour of Kanpur Local Soil Using Prony Series, Parameter Fitting. In: Khabbaz, H., Youn, H., Bouassida, M. (eds) New Prospects in Geotechnical Engineering Aspects of Civil Infrastructures. GeoChina 2018. Sustainable Civil Infrastructures. Springer, Cham. https://doi.org/10.1007/978-3-319-95771-5_10
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DOI: https://doi.org/10.1007/978-3-319-95771-5_10
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