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Article: Effects of shock vibration on concrete

TitleEffects of shock vibration on concrete
Authors
KeywordsCracking
Tensile strength
Vibration limit
Issue Date2005
PublisherAmerican Concrete Institute. The Journal's web site is located at http://www.concrete.org/PUBS/JOURNALS/MJHOME.ASP
Citation
Aci Materials Journal, 2005, v. 102 n. 6, p. 405-413 How to Cite?
AbstractThe effects of shock vibration on concrete were studied using a newly developed test method that applies hammer blows to prismatic specimens in the longitudinal direction and evaluates the shortand long-term effects by observing crack formation, measuring the immediate change in ultrasonic pulse velocity, and measuring the reductions in 28-day tensile and compressive strengths. A total of 198 prisms cast of typical concrete mixtures with 28-day cube strength ranging from 40 to 60 MPa had been tested at ages of 12 hours to 28 days. The tests revealed that the major effect of shock vibration is the formation of transverse cracks. Based on the test results, the shock vibration resistances of the concrete mixtures at different ages were determined and correlated to their material properties. It was found that the single most important material parameter governing the shock vibration resistance of concrete is the dynamic tensile strain capacity. Finally, several new sets of vibration control limits, which are less conservative than most existing ones, have been established. Copyright © 2005, American Concrete Institute. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150347
ISSN
2015 Impact Factor: 1.154
2015 SCImago Journal Rankings: 1.430
References

 

DC FieldValueLanguage
dc.contributor.authorKwan, AKHen_HK
dc.contributor.authorZheng, Wen_HK
dc.contributor.authorNg, IYTen_HK
dc.date.accessioned2012-06-26T06:03:43Z-
dc.date.available2012-06-26T06:03:43Z-
dc.date.issued2005en_HK
dc.identifier.citationAci Materials Journal, 2005, v. 102 n. 6, p. 405-413en_HK
dc.identifier.issn0889-325Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/150347-
dc.description.abstractThe effects of shock vibration on concrete were studied using a newly developed test method that applies hammer blows to prismatic specimens in the longitudinal direction and evaluates the shortand long-term effects by observing crack formation, measuring the immediate change in ultrasonic pulse velocity, and measuring the reductions in 28-day tensile and compressive strengths. A total of 198 prisms cast of typical concrete mixtures with 28-day cube strength ranging from 40 to 60 MPa had been tested at ages of 12 hours to 28 days. The tests revealed that the major effect of shock vibration is the formation of transverse cracks. Based on the test results, the shock vibration resistances of the concrete mixtures at different ages were determined and correlated to their material properties. It was found that the single most important material parameter governing the shock vibration resistance of concrete is the dynamic tensile strain capacity. Finally, several new sets of vibration control limits, which are less conservative than most existing ones, have been established. Copyright © 2005, American Concrete Institute. All rights reserved.en_HK
dc.languageengen_US
dc.publisherAmerican Concrete Institute. The Journal's web site is located at http://www.concrete.org/PUBS/JOURNALS/MJHOME.ASPen_HK
dc.relation.ispartofACI Materials Journalen_HK
dc.subjectCrackingen_HK
dc.subjectTensile strengthen_HK
dc.subjectVibration limiten_HK
dc.titleEffects of shock vibration on concreteen_HK
dc.typeArticleen_HK
dc.identifier.emailKwan, AKH: khkwan@hkucc.hku.hken_HK
dc.identifier.emailNg, IYT: ivanytng@graduate.hku.hken_HK
dc.identifier.authorityKwan, AKH=rp00127en_HK
dc.identifier.authorityNg, IYT=rp00156en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-32644431545en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-32644431545&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume102en_HK
dc.identifier.issue6en_HK
dc.identifier.spage405en_HK
dc.identifier.epage413en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridKwan, AKH=7101738204en_HK
dc.identifier.scopusauthoridZheng, W=7403566206en_HK
dc.identifier.scopusauthoridNg, IYT=12243904600en_HK

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