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Article: Mesoscopic study of concrete II: Nonlinear finite element analysis

TitleMesoscopic study of concrete II: Nonlinear finite element analysis
Authors
KeywordsComposite materials
Concrete
Mesoscopic study
Nonlinear finite element analysis
Random Aggregate structure
Size effect
Strain localization
Issue Date1999
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstruc
Citation
Computers And Structures, 1999, v. 70 n. 5, p. 545-556 How to Cite?
AbstractAt mesoscopic scale, concrete may be regarded as a three-phase composite consisting of coarse aggregate, mortar matrix and interfacial zones. Its composite behavior can be studied by generating a random aggregate structure which resembles the mesoscopic structure of concrete and analyzing the interaction between the three phases using the finite element method. A method of generating random aggregate structures taking into account the size, shape and spatial distributions of aggregate particles has been developed and presented in part I of the paper. Herein, a nonlinear finite element method suitable for mesoscopic study of concrete is developed. Goodman type interface elements are used to model the interfacial zones. Cracking and nonlinear constitutive properties of the materials are taken into account. A failure criterion combining tensile strength and fracture toughness is adopted. Stress relief as cracks propagate is also allowed for. An adaptive incremental displacement controlled iterative scheme which can deal with post-peak behavior is employed. The method is applied to study the strain localization of concrete under uniaxial tension in a numerical example.
Persistent Identifierhttp://hdl.handle.net/10722/71233
ISSN
2015 Impact Factor: 2.425
2015 SCImago Journal Rankings: 1.710
References

 

DC FieldValueLanguage
dc.contributor.authorKwan, AKHen_HK
dc.contributor.authorWang, ZMen_HK
dc.contributor.authorChan, HCen_HK
dc.date.accessioned2010-09-06T06:30:08Z-
dc.date.available2010-09-06T06:30:08Z-
dc.date.issued1999en_HK
dc.identifier.citationComputers And Structures, 1999, v. 70 n. 5, p. 545-556en_HK
dc.identifier.issn0045-7949en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71233-
dc.description.abstractAt mesoscopic scale, concrete may be regarded as a three-phase composite consisting of coarse aggregate, mortar matrix and interfacial zones. Its composite behavior can be studied by generating a random aggregate structure which resembles the mesoscopic structure of concrete and analyzing the interaction between the three phases using the finite element method. A method of generating random aggregate structures taking into account the size, shape and spatial distributions of aggregate particles has been developed and presented in part I of the paper. Herein, a nonlinear finite element method suitable for mesoscopic study of concrete is developed. Goodman type interface elements are used to model the interfacial zones. Cracking and nonlinear constitutive properties of the materials are taken into account. A failure criterion combining tensile strength and fracture toughness is adopted. Stress relief as cracks propagate is also allowed for. An adaptive incremental displacement controlled iterative scheme which can deal with post-peak behavior is employed. The method is applied to study the strain localization of concrete under uniaxial tension in a numerical example.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compstrucen_HK
dc.relation.ispartofComputers and Structuresen_HK
dc.subjectComposite materialsen_HK
dc.subjectConcreteen_HK
dc.subjectMesoscopic studyen_HK
dc.subjectNonlinear finite element analysisen_HK
dc.subjectRandom Aggregate structureen_HK
dc.subjectSize effecten_HK
dc.subjectStrain localizationen_HK
dc.titleMesoscopic study of concrete II: Nonlinear finite element analysisen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0045-7949&volume=70 &issue=5&spage=545 &epage= 556&date=1999&atitle=Mesoscopic+study+of+concrete+II:+nonlinear+finite+element+analysisen_HK
dc.identifier.emailKwan, AKH:khkwan@hkucc.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0033101982en_HK
dc.identifier.hkuros41966en_HK
dc.identifier.hkuros62574-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033101982&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume70en_HK
dc.identifier.issue5en_HK
dc.identifier.spage545en_HK
dc.identifier.epage556en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK
dc.identifier.scopusauthoridWang, ZM=35184354200en_HK
dc.identifier.scopusauthoridChan, HC=7403402425en_HK

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