This paper proposes a new visco-elastoplastic constitutive model for asphalt concretes able to reproduce the non linear time-dependent behaviour of such materials.The constitutive model has been developed with the aim of making it fit specific experimental features previously observed. Moreover the proposed formulation will be demonstrated to be fully consistent with general thermodynamic requirements. Apart from a rigorous analytical formulation; a corresponding rheological sketch of the model is also given. From this representation, it can be shown that the model is essentially a combination of a generalized Maxwell model and a hardening visco-plastic element.

One Dimensional Visco-Elastoplastic Constitutive Model for Asphalt Concrete

GIUNTA M.;PISANO A
2006-01-01

Abstract

This paper proposes a new visco-elastoplastic constitutive model for asphalt concretes able to reproduce the non linear time-dependent behaviour of such materials.The constitutive model has been developed with the aim of making it fit specific experimental features previously observed. Moreover the proposed formulation will be demonstrated to be fully consistent with general thermodynamic requirements. Apart from a rigorous analytical formulation; a corresponding rheological sketch of the model is also given. From this representation, it can be shown that the model is essentially a combination of a generalized Maxwell model and a hardening visco-plastic element.
2006
constitutive model
viscoplasticity
asphalt concrete
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12318/1905
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