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IJSCER 2022 Vol.11(4): 94-98
doi: 10.18178/ijscer.11.4.94-98

Influence of Internal Curing Materials on Durability Properties of High-Performance Concrete

Safaa Abdulsalam, Zainab Awadh, Hussain Al-Baghli, and Jayasree Chakkamalayath
Construction and Building Materials Program, Energy and Building Research Centre, Kuwait Institute for Scientific Research, Kuwait

Manuscript received July 6, 2022; revised July 15, 2022; accepted September 1, 2022; issue published November 4, 2022.

Abstract—Proper curing of concrete is an essential requirement for achieving the desired long-term properties of concrete. Curing of concrete using Internal Curing Materials (ICMs) is considered as an effective method to eliminate self-desiccation and autogenous shrinkage. Two different types of internal curing materials (ICMs), pre-saturated recycled aggregates of construction and demolition wastes (RA), and Superabsorbent Polymers (SAPs) were used in this investigation to study the impact of these materials on the durability performance of concrete. Durability was assessed by measuring the resistance of concrete to chloride ion penetration, and chloride diffusion of high performance concrete (HPC) mixes prepared with a water to cement ratio 0.35, after 28 days of curing in both water and air. Overall results showed that the concrete specimens with air curing method have less resistance to chloride penetration compared to water cured specimens. Also, the mix with recycled aggregates under both curing methods had shown better resistance to chloride ion penetration than the control mix and mix with SAP due to the internal water effectively provided by the recycled aggregates during hydration.

Index Terms—acid soluble chloride content, chloride diffusivity coefficient, chloride permeability, recycled aggregates, superabsorbent polymer, high performance concrete

Cite: Safaa Abdulsalam, Zainab Awadh, Hussain Al-Baghli, and Jayasree Chakkamalayath, "Influence of Internal Curing Materials on Durability Properties of High-Performance Concrete," International Journal of Structural and Civil Engineering Research, Vol. 11, No. 4, pp. 94-98, November 2022. doi: 10.18178/ijscer.11.4.94-98

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