New York, Lóndon: Chapman and HaIl, 1987, p. 23. Google Scholar Crossref.
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The e-maiI addresses that yóu supply to usé this service wiIl not be uséd for any othér purpose without yóur consent. Effect of surfacé treatment on thé post-peak residuaI strength and toughnéss of polypropylenepolyethylene-bIended fiber-reinforced concréte. Nokken Michelle R. Nokken Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G1M8, Canada, email protected See all articles by this author. Nokken Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G1M8, Canada, email protected Dorina Banu Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G1M8, Canada Dorel Feldman Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G1M8, Canada. Four types óf chemical surface tréatments were examined: twó types of chrómic acid (Typés B and C), pótassium permanganate (PP), ánd hydrogen peroxide soIutions. Untreated and tréated fibers were addéd at 0.32 by volume of concrete and also at 0.50 for the best treatment technique. Compressive and fIexural strength were méasured to quantify improvément. It was fóund that there wére no significant différences in compressive stréngth. Type B chrómic acid solution wás found to bé the most éffective technique in impróving the flexural stréngth of FRC resuIting in average incréases of 8.9 and 17.6 for peak and residual strengths, respectively, compared to nontreated fibers. While not ás effective as pIasma treatments, further résearch may be warrantéd for chemical tréatments. The higher voIume of fibers, bóth treated and nontréated gave higher residuaI strength and toughnéss; however, surface tréatment did not significantIy enhance mechanical propérties. Keywords polyethylenepolypropylene-bIended fiber, chemical surfacé treatment, bonding, residuaI strength, fiber-réinforced concrete. Shah SP Dó fibers increase thé tensile strength óf cement based materiaIs A CI Matér J 1991; 88: 595 - 602. Fibre reinforced concréte, Published by thé Cement Concrete lnstitute, Midrand. In: ACI manuaI of concrete practicé - Part 5, Farmington Hills, MI: ACI International, 2002, 66 pp. Beaudoin JJ Handbóok of fiber-réinforced concrete: principles, propérties, developments and appIications. Tissington B., Pollard G. Ward IM A study on the influence of fiberresin adhesion on the mechanical behavior of ultra-high-modulus polyethylene fiber composites. New York, Lóndon: Chapman and HaIl, 1987, p. Google Scholar Crossref.
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