Investigation on the Correlation Between Heat Release and Compressive Strength Development in Fly Ash–Cement Composites

Thiyagarajan, Hemalatha; Karunanithi, Arthi

doi:10.1007/s40030-019-00404-9

Cited by 4 publications

(2 citation statements)

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“…As previously mentioned, the correlation of strength with cumulative heat of hydration has been reported by many researchers [23][24][25][26][27][28]. However, the work of Bentz et al [23] stands out in that it proposes to report heat with respect to the amount of water rather than the cement mass.…”

Section: Meaning Of the Ineffective Heat Of Hydrationmentioning

confidence: 97%

“…An important issue here is to be able to account for performance changes in case the water content differs in industrial production. In this sense, correlations between calorimetry and strength of cement pastes or mortars are useful [23][24][25][26][27][28]. Specifically, the work of Bentz et al demonstrates that compressive strength of mortars can be well correlated to the heat release measured by isothermal calorimetry, provided the heat is normalized with respect to the volume of liquid used [23].…”

Section: Introductionmentioning

confidence: 99%

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A method for the mix design of low carbon concrete towards industrial production

Boscaro

Flatt

2022

Mater Struct

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The introduction of newly developed blended cements into the mass market is essential to ensure an effective reduction of the carbon footprint related to cement production. To facilitate this process, formulating mix proportions using pastes and/or mortars rather than concrete can be a great advantage. However, for the upscaling towards industrial concrete it is then essential to maintain the target rheological and mechanical properties, something that is all too often challenging. In this work, a procedure facilitating such an upscaling was illustrated in the form of a flow chart. Specifically, best practices to obtain a good correlation between concrete prepared in a laboratory and one prepared in a plant were presented. This includes new data showing how to accommodate for possible differences in temperature and/or water content between both situations. The dataset of state-of-the-art correlations between mechanical performance and heat of hydration, considering w/b ratios relevant to practice, were expanded. This greatly facilitates the mix design of concrete with particularly low clinker contents, which in this work were illustrated with a blended cement containing only 50% clinker.

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