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Behavior of bonded and unbonded prestressed normal and high strength concrete beams
Joint Authors
Nasr, E. A.
Abd al-Rahman, Ahmad Ali
Husayn, O. F.
al-Afandi, T. H. K.
Abd al-Baqi, S. A.
Source
Housing and Building National Research Center Journal
Issue
Vol. 8, Issue 3 (31 Dec. 2012), pp.239-251, 13 p.
Publisher
Housing and Building National Research Center
Publication Date
2012-12-31
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Topics
Abstract EN
The majordisadvantageofusingordinaryreinforcedconcrete(RC)elementsisthecor- rosion ofsteel,whichoccursduetoeffectofcracksintensionzones.Themainadvantageofthe fully prestressedconcretesystemistheabsenceofcracksintheconcreteatthenominalserviceload and thereforebetterdurabilitywillbeachieved.CombiningthePCsystemwiththeuseofhigh strength concreteisamilestone,whichwillpotentiallyresultinanewdesignapproach.Thedisad- vantage oftheuseofthiscombinationisreferredtothereducedductilityofconcretemembers.
This paperpresentsanexperimentalprogramconductedtostudythebehaviorofbondedand unbounded prestressednormalstrength(NSC)andhighstrengthconcrete(HSC)beams.Thepro- gram consistsofatotalofninebeams;twospecimenswerereinforcedwithnon-prestressedrein- forcement, fourspecimenswerereinforcedwithbondedtendons,andtheremainingthree specimens werereinforcedwithunbondedtendons.Theoveralldimensionsofthebeamsare 160 · 340 · 4400-mm.
Thebeamsweretestedundercyclicloadinguptofailuretoexamineitsflex- ural behavior.Themainvariablesinthisexperimentalprogramarenominalconcretecompressive strength (43,72and97MPa),bondedandunbondedtendonsandprestressingindex(0%,70%and 100%).
Theoreticalanalysisusingrationalapproachwasalsocarriedouttopredicttheflexural behavior ofthespecimens.Evaluationoftheanalyticalworkisintroducedandcomparedtothe results oftheexperimentalwork
American Psychological Association (APA)
Husayn, O. F.& al-Afandi, T. H. K.& Abd al-Rahman, Ahmad Ali& Abd al-Baqi, S. A.& Nasr, E. A.. 2012. Behavior of bonded and unbonded prestressed normal and high strength concrete beams. Housing and Building National Research Center Journal،Vol. 8, no. 3, pp.239-251.
https://search.emarefa.net/detail/BIM-374979
Modern Language Association (MLA)
Husayn, O. F.…[et al.]. Behavior of bonded and unbonded prestressed normal and high strength concrete beams. Housing and Building National Research Center Journal Vol. 8, no. 3 (2012), pp.239-251.
https://search.emarefa.net/detail/BIM-374979
American Medical Association (AMA)
Husayn, O. F.& al-Afandi, T. H. K.& Abd al-Rahman, Ahmad Ali& Abd al-Baqi, S. A.& Nasr, E. A.. Behavior of bonded and unbonded prestressed normal and high strength concrete beams. Housing and Building National Research Center Journal. 2012. Vol. 8, no. 3, pp.239-251.
https://search.emarefa.net/detail/BIM-374979
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 251
Record ID
BIM-374979