Identifying the bond and abrasion behavior of alkali activated concretes by central composite design method
作者： Muzeyyen Balcikanli , Hakan Tacettin Turker , Erdogan Ozbay , Okan Karahan , Cengiz Duran Atis
DOI: 10.1016/J.CONBUILDMAT.2016.10.034
关键词: Bond strength 、 Composite material 、 Regression analysis 、 Abrasion (mechanical) 、 Ultimate tensile strength 、 Alkali activated 、 Materials science 、 Central composite design 、 Compressive strength 、 Curing (chemistry)
摘要: Abstract In this paper, bond strength and abrasion resistance of alkali activated concretes (AAC) were examined experimentally by using the central composite design (CCD) method. AAC designed produced considering sodium concentration (SC), silicate modules (SM), curing temperature (CT) exposed time (ECT) as CCD’s independent parameters. Twenty-one mixtures established depend on various combinations parameters in CCD at 95% confidence level. Effects each parameter dependent statistically analyzed experimental measurements best possible combination defined for maximization compressive strength, split tensile UPV behavior minimization value solving multi-objective optimization problems which is generated proposed regression models Test results demonstrate that all studied have noteworthy effect properties statistically; however, most effective SC. The optimum values CT 66 °C, ECT 14.76 h, SC 5.72% SM 1.0 problem.
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