Tensile Creep of Concrete at Early Age

An experimental study was conducted on unsealed concrete I-beam specimens to investigate early-age tensile creep. The tests were conducted on concrete specimens that were moist-cured for 24 hours. The specimens were loaded at 30% of their tensile failure load and tensile creep was monitored for 72 h...

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Bibliographic Details
Published inACI materials journal Vol. 115; no. 5; pp. 769 - 772
Main Authors Al-Manaseer, Akthem, Zayed, Rami
Format Journal Article
LanguageEnglish
Published Farmington Hills American Concrete Institute 01.09.2018
Subjects
Accuracy
Bond strength
Concrete
Creep tests
Environmental engineering
Failure load
Humidity
I beams
Load
Nondestructive testing
Shrinkage
Strain gauges
Studies
Tensile creep
Denmark
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Summary:An experimental study was conducted on unsealed concrete I-beam specimens to investigate early-age tensile creep. The tests were conducted on concrete specimens that were moist-cured for 24 hours. The specimens were loaded at 30% of their tensile failure load and tensile creep was monitored for 72 hours. Companion shrinkage specimens were used to measure drying shrinkage while the tensile creep test was performed. The investigation shows that the magnitude of early-age shrinkage exceeds the tensile creep values. The results showed that combined creep and shrinkage strains were increasing when the applied load was increased.
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ISSN:0889-325X
1944-737X
DOI:10.14359/51706843