Effect of superabsorbent polymers (SAP) on the freeze–thaw resistance of concrete : results of a RILEM interlaboratory study

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DOIResolve DOI: http://doi.org/10.1617/s11527-016-0868-7
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TypeArticle
Journal titleMaterials and Structures
ISSN1359-5997
1871-6873
Volume50
Issue1
SubjectAir-entraining agent; CDF test; CIF test; Deicing salt; Frost resistance; Freeze–thaw; Interlaboratory study; Scaling; Slab test; Superabsorbent polymer
AbstractThis article presents the results of an interlaboratory experimental study performed by 13 international research groups within the framework of the activities of the RILEM Technical Committee 225-SAP “Applications of Superabsorbent Polymers in Concrete Construction”. Two commercially available superabsorbent polymers (SAP) were tested in terms of their influence on the freeze–thaw resistance of ordinary concrete. To test the robustness of the method, all participating laboratories used locally produced materials. Furthermore, following this aim, various accelerated methods were used to estimate the resistance of the concrete to freeze–thaw cycles. The effect of adding SAP was from insignificant to considerably positive in terms of improvement in material performance as determined by reduced mass loss after freeze–thaw cycles; only one participant observed worsening of the material behaviour. At the same time, due to the addition of SAP, a much less pronounced decrease in the dynamic Young’s modulus was observed as a result of freeze–thaw testing without deicing salt.
Publication date
LanguageEnglish
AffiliationConstruction; National Research Council Canada
Noteyes
Peer reviewedYes
NPARC number23000780
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Record identifier8680357b-2862-4423-b66c-37213700362f
Record created2016-09-16
Record modified2017-04-05
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