Performance of super-absorbent polymer as an internal curing agent for self-compacting concrete

Author:

Al-Hubboubi Suhair,al-Attar Tareq,Al-Badry Haider,Abood Samir,Mohammed Rawaa,Haddhood Buthaina

Abstract

Internal curing agent by using super-absorbent polymer was present in this study, its effect on the properties of self-compacting concrete was evaluated .The SAP content in the concrete mix was 0.5 % by weight of cement. Three procedures for curing were adopted; curing in water, curing in water and air and curing in polyethylene sealed bags. Fresh concrete tests conducted to assess the self-compactability of the produced concrete. Moreover, compressive and splitting strength tests were carried out. The testing program had been extended to the age of 90 days.The use of super-absorbent polymer did not affect the fresh state characteristics of the studied SCC and achieved an increase in both compressive and tensile strengths as compared to the reference concrete mix.

Publisher

EDP Sciences

Subject

General Medicine

Reference21 articles.

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2. ACI Committee 308, “Guide to curing concrete, 308R-01”, ACI manual of concrete practice, (2001).

3. Bentz D.P., Halleck P.M., Grader A.S., and Roberts J.W., “Four-Dimensional X-ray Microtomography Study of Water Movement during Internal Curing” Proceedings of the International RILEM Conference-Volume Changes of Hardening Concrete: Testing and Mitigation, Eds. O.M. Jensen, P. Lura, and K. Kovler, RILEM Publications S.A.R.L., Bagneux, France, 11-20, (2006).

4. Youssef D., “The use of lightweight sand for internal curing and its effect on performance of HPC used for concrete infrastructures,” Sherbrooke, Québec, Canada, June, (2013).

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