Abstract
The deterioration of concrete durability seriously affects utilization and lifespan of concrete constructions. This paper presented a novel method to improve concrete durability by synthesizing Super-absorbent Resins (SAR) in micro-cracks or capillary-pores of concrete, i.e., the synthesized SAR swell after absorbing water, fill micro-cracks or capillary-pores and prevent water penetration into concrete. The main performance of impermeability, freeze resistance and sulfate resistance related to concrete durability were studied. The results show that the impermeability, freeze resistance and sulfate corrosion resistance of cement mortar handled by SAR are obviously better than cement mortar unhandled by SAR.
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