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Application of Superabsorbent polymers as novel admixture for cementitious materials


Internal curing agent in concrete and mortars

 


Superabsorbent polymers (SAP) are novel materials to be used as internal curing agent in concrete and mortars. Their high capacity to absorb and release water can help to control cement hydration processes and hence to avoid cracking susceptibility in cementitious materials. The effect is usually evidenced by the reduction of autogenous shrinkage which is associated with self-desiccation process. This paper aims to present an overview of SAP application in cementitious composites and to illustrate their efficiency by comparing experimental results of mortars with and without SAPs. The paper argues that not only autogenous shrinkage may be reduced but depending upon the type of SAP mechanical characteristics may also be improved.

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CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 11 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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