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An additive to increase the freeze-thaw resistanceof normal and high- strength concrete


Superabsorbent polymers

 


This paper presents the results of freeze- thaw resistance tests performed with air pore entrainment, reference mixtures without any admixtures, and four mixtures with superabsorbent polymer (SAP) addition. The paper presents a simple calculation to predict the void spacing factor. The results show a significant positive influence of the SAP on freeze - thaw resistance and on most other concrete properties. The mixtures with SAP addition showed less scaling than the reference mixtures and an increase of the compressive strength dependent on the polymer type and the SAP particle size distribution.

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CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 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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