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International Journal of Engineering، جلد ۳۳، شماره ۴، صفحات ۵۳۰-۵۳۸
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عنوان انگلیسی An Experimental and Analytical Study on Alccofine Based High Strength Concrete
چکیده انگلیسی مقاله The use of supplementary cementitious materials (SCMs) in concrete manufacturing is considered as financial, technical and environmental benefit. In this regard, this paper presents the experimental and analytical study of high strength concrete (HSC) with alccofine-1203 (alccofine) and fly ash as partial replacements to cement. A total of seven mixes were prepared with different percentages of alccofine (4-14%). The prepared concrete mixes were experimentally tested for slump, compressive, flexural and split tensile strengths for 7, 28, and 56-days curing ages. Uniaxial stress-strain behavior, and water absorption and porosity were evaluated at 28-days curing age. Young’s modulus, energy absorption capacity (EAC) and integral absolute error (IAE) were assessed analytically. From the test results, it was observed that the replacement of cement with alccofine significantly improved the workability of the concrete. Among all the mixes, the mix with 10% alccofine content exhibited good behavior in all the investigated parameters. The alccofine incorporation was found to have a negative effect on the behavior of HSC beyond 10% replacement in all the investigated parameters. Based on the experimental compressive strength results, empirical relations were proposed to predict the flexural and split tensile strengths. The proposed empirical relations have the lowest IAE (3.29 and 3.32% for flexural and split tensile strength) in comparison with ACI-318, IS 456 and empirical relations proposed by earlier researchers.
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نویسندگان مقاله B. Sagar |
Department of Civil Engineering, National Institute of Technology Warangal, Telangana, India

M. V. N. Sivakumar |
Department of Civil Engineering, National Institute of Technology Warangal, Telangana, India

نشانی اینترنتی http://www.ije.ir/article_106024_21246680220a5418fe27e47e61b553b9.pdf
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