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The Influence of Temperature Regime on Performance of Low Clinker Blended Cements
An experimental work was conducted for studying the influence of early age curing temperature on the performance of low clinker blends. Three low clinker blends, limestone calcined clay cement (LC3), Portland pozzolanic cement (PPC) using fly ash, and Portland slag cement (PSC) were used in this study. The clinker replacement level was kept at 50% by weight for all the blends. In addition to the isothermal curing conditions at 27 and 50 °C till 28 days, samples were also exposed to two different temperature regimes by changing the specimens from 27 to 50 °C at the age of 1 day and 3 days. Mortar compressive strength and X-ray diffraction were carried out at the age of 28 days. Strength and degree of hydration of clinker phases were compared. The later age performance of low clinker blends observed to be detrimental at a higher temperature (50 °C). It is observed that reduction in performance is relatively higher in LC3 as compared to PSC and PPC. However, when the time of temperature exposure delayed by 24 h, the adverse effect of temperature on LC3 was disappeared, and the blend has shown better performance than the other two blends.
The Influence of Temperature Regime on Performance of Low Clinker Blended Cements
An experimental work was conducted for studying the influence of early age curing temperature on the performance of low clinker blends. Three low clinker blends, limestone calcined clay cement (LC3), Portland pozzolanic cement (PPC) using fly ash, and Portland slag cement (PSC) were used in this study. The clinker replacement level was kept at 50% by weight for all the blends. In addition to the isothermal curing conditions at 27 and 50 °C till 28 days, samples were also exposed to two different temperature regimes by changing the specimens from 27 to 50 °C at the age of 1 day and 3 days. Mortar compressive strength and X-ray diffraction were carried out at the age of 28 days. Strength and degree of hydration of clinker phases were compared. The later age performance of low clinker blends observed to be detrimental at a higher temperature (50 °C). It is observed that reduction in performance is relatively higher in LC3 as compared to PSC and PPC. However, when the time of temperature exposure delayed by 24 h, the adverse effect of temperature on LC3 was disappeared, and the blend has shown better performance than the other two blends.
The Influence of Temperature Regime on Performance of Low Clinker Blended Cements
RILEM Bookseries
Bishnoi, Shashank (editor) / Emmanuel, Arun C. (author) / Mishra, Geetika (author) / Bishnoi, Shashank (author)
2020-04-14
9 pages
Article/Chapter (Book)
Electronic Resource
English
British Library Online Contents | 1998
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