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Wednesday, January 22, 2014

Opc Cement

Crment and Concrrtr Rewarch, VoI Prmted 27. No 0 9. pp 1343%1.155. Scwnce rIghti 517 00 + All 1997 Ltd 00 Pergamon PI1 SOOOS-8846(97)00136-l CopyrIght lYY7 Elwr~ I” the USA re\erved nonX-XXlh/Y7 EFFECT OF stage set TEMPERATURE IN SOME HYDRATION CHARACTERISTICS OF CALCIUM ALUMINATE CEMENT COMPARED WITH THOSE OF PORTLAND CEMENT P. GarcCs,“’ E. G” Alcocel,“’ S. Chinchbn,“’ C. G” Andreu,“’ and J. Alcaidet2’ “‘Dpto. Ing. de la Construction. 0. Pt’iblicas e Infr. Urb. Univ. Alicante. Apdo. Correos 99. 03080-Alicante. Spain. “‘Dpto. Construcciones Arquitectonicas. Univ. Alicante. Spain. (Refereed) 31. 1997: in final radiation syndrome diagram July 25, 1997) (Received ABSTRACT January In the present paper the hydration of 1:3 atomic number 20 Aluminate cementum (CAC) and Portland Cement (PC) mortars at temperatures of 5”C, 3 0°C and 60°C return been studied. An evaluation of the compressive and flexural dexteritys obtained from different curing conditions is made. The evolution of phases presented was as well studied from XRD spectra. The relationship between the set of ultrasonic lengthiness velocity. UPV. (Yl-axis) and compressive strengths (Y-?-axis) versus w/c ratios for CAC mortars, cured at 5°C. 20°C and 60°C respectively. have also been obtained, at a curing age of 28 days. The great analogy of curves enables us to establish the hypothesis that it is potential to use a non destructive test as an data-based determination of compressive strength for CAC mortars with the same proportions of aggregates/ cements/water as those utilize in the test. Abrams loom was applied in differentiate to full point the truthfulness of this model in the CAC mortars studied. The percentage of variability of the uncertain resolution (Rc). obtained in our regression models is highly sa tisfactory. 0 1997 Else\Yer Scierwe Ltd ! unveiling Although the equal of...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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