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- W2085937312 abstract "The study of the thermal behavior (DSC) of hydration products in ordinary Portland cement (OPC), as a function of water cement ratios (W/C) (0.2, 0.25, … 0.4), and the partial substitution of (35 % fly ash), (35 % slag) and (35 % fly ash + 35 % slag) to the OPC system by weight separately was carried out. It was found that the additive materials (pozzlans) increase its durability when added to the OPC. The most important effects in the cement paste microstructure are the changes in pore structure produced by the reduction in the grain size caused by the pozzlanic reactions. The study revealed that the changes in all the thermal parameters depend on the variation of W/C ratios.The systematic changes in the activation energy through all systems occur at (0.3) W/C in the phase (C‐H) and (0.35) W/C in the phase (C‐S‐H). This means that at these ratios of W/C the two phases (C‐H) and (C‐S‐H) further accelerated the process of cement hydration reactions, and at the same time the addition to OPC system may provide enough space for hydration products to be distributed uniformly." @default.
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- W2085937312 date "2005-01-01" @default.
- W2085937312 modified "2023-09-26" @default.
- W2085937312 title "Differential Scanning Calorimetry Study of Ordinary Portland Cements Mixed with fly Ash and Slag" @default.
- W2085937312 doi "https://doi.org/10.1063/1.1896489" @default.
- W2085937312 hasPublicationYear "2005" @default.
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