FUNDAMENTAL STUDY ON Bl-LINEAR APPROXIMATED COMPRESSION SOFTENING BEHAVIOR OF HIGH-FLUIDITY DUCTILE-FIBER- REINFORCED CONCRETE USING RECYCLED AGGREGATE

In this study, uniaxial compression tests were conducted on high-fluidity ductile-fiber-reinforced concrete using recycled aggregate with different water-binder ratios and material age. At the same time, the effect of the restraint of the loading plate on uniaxial compression tests results was also...

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Bibliographic Details
Published inCement Science and Concrete Technology Vol. 78; no. 1; pp. 348 - 355
Main Authors SUN, Xin, WATANABE, Ken
Format Journal Article
LanguageEnglish
Japanese
Published Japan Cement Association 31.03.2025
Subjects
Compression softening behavior
Compression test
Ductile-fiber-reinforced concrete
High-fluidity
Recycled aggregate
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Summary:In this study, uniaxial compression tests were conducted on high-fluidity ductile-fiber-reinforced concrete using recycled aggregate with different water-binder ratios and material age. At the same time, the effect of the restraint of the loading plate on uniaxial compression tests results was also investigated. The compressive softening behavior obtained from the tests was approximated by two straight lines, and the formulation of the necessary material constants was attempted. As a result, it was found that the bi-linear approximated compression softening behavior can be determined for different water-binder ratios and material ages by giving the compressive strength of high-fluidity ductile-fiber-reinforced concrete using recycled aggregate.
ISSN:0916-3182
2187-3313
DOI:10.14250/cement.78.348