What is it about?

The mitigation of autogenous shrinkage is found to be highly dependent on SAP’s absorption and desorption kinetics. Water absorption of SAP will affect the desorption, and the later will affect the effectiveness of internal curing. The size and amount of SAP has an important for the two process.

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Why is it important?

We quantify the effect of SAP content and size as well as different SCMs on the SAP water uptake/release in pastes with low w/b ratio using 1H-NMR and to explore their efficiency in mitigating autogenous shrinkage.


We hope this paper can let people more pay attention to and know about internal curing of SAP and promote the appliance of SAP in low water and binder ratio concrete.

feitian7799 马先伟
Henan University of Urban Construction

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This page is a summary of: Internal curing of blended cement pastes with ultra‐low water‐to‐cement ratio: Absorption/desorption kinetics of superabsorbent polymer, Journal of the American Ceramic Society, March 2021, Wiley,
DOI: 10.1111/jace.17730.
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