Modelling the cyclic ratcheting of sands through memory-enhanced bounding surface plasticity.

Hao Yuan Liu, José Antonio Abell, Andrea Diambra, Federico Pisanò

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

78 Citas (Scopus)


The modelling and simulation of cyclic sand ratcheting is tackled by means of a plasticity model formulated within the well-known critical state, bounding surface SANISAND framework. For this purpose, a third locus – termed the ‘memory surface’ – is cast into the constitutive formulation, so as to phenomenologically capture micro-mechanical, fabric-related processes directly relevant to the cyclic response. The predictive capability of the model under numerous loading cycles (‘high-cyclic’ loading) is explored with focus on drained loading conditions, and validated against experimental test results from the literature – including triaxial, simple shear and cyclic loading by oedometer test. The model proves capable of reproducing the transition from ratcheting to shakedown response, in combination with a single set of soil parameters for different initial, boundary and loading conditions. This work contributes to the analysis of soil–structure interaction under high-cyclic loading events, such as those induced by environmental and/or traffic loads.
Idioma originalInglés
Páginas (desde-hasta)783-800
Número de páginas18
EstadoPublicada - 1 sep. 2019

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© 2018 Thomas Telford Ltd.


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