Abstract

This paper reports the effect of superabsorbent polymer (SAP), a promising chemical admixture for multifunction cement composites, on the fresh and hardened properties of polyvinyl alcohol (PVA) fiber-reinforced strain-hardening cement composite (PVA-SHCC). Two types of PVA-SHCC mixtures were prepared and investigated to evaluate the effect of SAP introduction. The PVA fiber volume content was fixed at 2.0% and content of SAP was 1.0% by the binder mass. It was found that the SAP particles lead to the deterioration in the slump. It is also confirmed that the addition of SAP within 1% into cement composite improves the hardened properties, such as compressive, flexural and direct tensile performances, of PVA-SHCC due to internal curing in the cement matrix.

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