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Article: Experimental investigation and modeling of viscoelastic behavior of concrete

TitleExperimental investigation and modeling of viscoelastic behavior of concrete
Authors
KeywordsViscoelastic behavior
Storage modulus
Loss modulus
Concrete
Viscoelastic model
Issue Date2013
Citation
Construction and Building Materials, 2013, v. 48, p. 814-821 How to Cite?
AbstractThe viscoelastic behavior of a concrete under dynamic and quasi-static loadings is studied. The viscoelastic behavior of the concrete under dynamic conditions is investigated by a transient wave propagation method using a pendulum impact setup, while its quasi-static behavior is investigated by a uniaxial compressive test. The results show that the concrete behaves viscoelastically under the stress wave loading, while nonlinearly elastic under the quasi-static loading. The dynamic viscoelastic moduli, i.e., the storage modulus and the loss modulus of the concrete can be divided into three portions with respect to wave frequency and the nonlinear behavior can be ignored for the stress wave propagation in the concrete. A nonlinear three-element viscoelastic model is subsequently proposed to describe the viscoelastic behavior of the concrete. The parameters of the present viscoelastic model are determined by the proposed dynamic and quasi-static test methods. The present nonlinear viscoelastic model is verified by the measured strain histories under dynamic loading and quasi-static tests, respectively. It shows that the present nonlinear viscoelastic model is capable in describing the viscoelastic behavior of the concrete with a high accuracy. © 2013 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/214010
ISSN
2015 Impact Factor: 2.421
2015 SCImago Journal Rankings: 1.606

 

DC FieldValueLanguage
dc.contributor.authorFan, L. F.-
dc.contributor.authorWong, L. N Y-
dc.contributor.authorMa, G. W.-
dc.date.accessioned2015-08-19T13:41:31Z-
dc.date.available2015-08-19T13:41:31Z-
dc.date.issued2013-
dc.identifier.citationConstruction and Building Materials, 2013, v. 48, p. 814-821-
dc.identifier.issn0950-0618-
dc.identifier.urihttp://hdl.handle.net/10722/214010-
dc.description.abstractThe viscoelastic behavior of a concrete under dynamic and quasi-static loadings is studied. The viscoelastic behavior of the concrete under dynamic conditions is investigated by a transient wave propagation method using a pendulum impact setup, while its quasi-static behavior is investigated by a uniaxial compressive test. The results show that the concrete behaves viscoelastically under the stress wave loading, while nonlinearly elastic under the quasi-static loading. The dynamic viscoelastic moduli, i.e., the storage modulus and the loss modulus of the concrete can be divided into three portions with respect to wave frequency and the nonlinear behavior can be ignored for the stress wave propagation in the concrete. A nonlinear three-element viscoelastic model is subsequently proposed to describe the viscoelastic behavior of the concrete. The parameters of the present viscoelastic model are determined by the proposed dynamic and quasi-static test methods. The present nonlinear viscoelastic model is verified by the measured strain histories under dynamic loading and quasi-static tests, respectively. It shows that the present nonlinear viscoelastic model is capable in describing the viscoelastic behavior of the concrete with a high accuracy. © 2013 Elsevier B.V. All rights reserved.-
dc.languageeng-
dc.relation.ispartofConstruction and Building Materials-
dc.subjectViscoelastic behavior-
dc.subjectStorage modulus-
dc.subjectLoss modulus-
dc.subjectConcrete-
dc.subjectViscoelastic model-
dc.titleExperimental investigation and modeling of viscoelastic behavior of concrete-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.conbuildmat.2013.07.010-
dc.identifier.scopuseid_2-s2.0-84883101897-
dc.identifier.hkuros259277-
dc.identifier.volume48-
dc.identifier.spage814-
dc.identifier.epage821-

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