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Modelling Thermo-elastic–viscoplastic Behaviour of Marine Clay by Wang, Kuanjun; Wang, Lizhong; Hong, Yi is a Engineering article available to read on EtoBox.

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Marine clay supporting high-temperature offshore structure susceptible to random movements (such as a buckling hightemperature pipeline) experiences variable shearing rates at an elevated temperature that is higher than the marine environment (typically 4 °C). This practically implies that the undrained shear strength (s u ) of the marine clay being routinely characterized in situ by penetrometers at a constant rate under an isothermal condition (4 °C) should be carefully corrected, by taking into account the temperature and rate dependency. To date, the combined effects of rate and temperature on the undrained shear behaviour of marine clay are merely investigated experimentally and theoretically. This study presents the development of an anisotropic thermo-elastic-viscoplastic model and a series of temperature-and ratecontrolled triaxial tests for validation purpose. Compared to the modified Cam-Clay model, the proposed model only introduces three new parameters to characterize the temperature dependency, rate dependency and the inherent anisotropy of K 0 -consolidated marine clay. The predictive capability of the model has been validated by the triaxial test results. Based on th

Who reads Modelling Thermo-elastic–viscoplastic Behaviour of Marine Clay?

Author

Wang, Kuanjun; Wang, Lizhong; Hong, Yi

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 1861-1125)

Published

2020

Language

EN

Field

Engineering (Physical Sciences)