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- W2019917996 abstract "In this work, which is a follow-up of others, the evolution of structural features of enriched fraction (attacked-hydrated cement) is studied by DRX, extracted from one of the mortar prisms (1:3) of 1 X 1 X 6 cm of the various series of test specimens made with a portland cement resistant to sulfate (cement 2) and with mixtures cement 2/scoria = 85/15, 65/35, 40/60 and 30/70, in weight, immersed in artificial sea water (ASTM D 1141-75) for 56, 90, 180 and 360 days-at this stage, following curing period (24 hours in a humidity saturated enclosure and up to 22 days under filtered drinking water). In addition, structural composition of the new solid phases formed in the preservation-attack media (sea water) was studied by DRX, where the mortar test pieces were immersed.In the DRX of the various enriched fractions, the peaks of brucite, ettringite and calcite were identified with variable intensity in them all, and those of Friedel salt, gypsum and Portlandita in part. Intensity of these peaks depends on the mixture used when making the mortar test pieces and on the preservation-attack time.In the DRX of the new solid phases, the peaks of calcite and aragonite were detected with variable intensity, and those of one form prevaidel over those of another, depending on system conditions and particularly on the cement 2/scoria mixture used to elaborate the mortar test pieces; the brucite peaks were in addition identified in the diagrams of the solid phases corresponding to the media where the mortar test pieces made with cement 2 and the mixture which has 15 % scoria were immersed." @default.
- W2019917996 created "2016-06-24" @default.
- W2019917996 creator A5067904385 @default.
- W2019917996 creator A5088911911 @default.
- W2019917996 date "1982-12-30" @default.
- W2019917996 modified "2023-09-26" @default.
- W2019917996 title "Resistencia química del hormigón. XIII. Acción del agua de mar: influencia de la adición de escoria a un cemento portland resistente al yeso. Estudio por DRX" @default.
- W2019917996 doi "https://doi.org/10.3989/mc.1982.v32.i188.990" @default.
- W2019917996 hasPublicationYear "1982" @default.
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