Behavior of Self-Compacting Concrete in Simulated Hot Weather

Document Type : Original Article

Authors

1 Civil Eng. Dept., Faculty of Eng., Menoufia University, Shebeen ElKoom, Menoufia, EGYPT

2 Civil engineering department, faculty of Engineering, Menoufia University, Egypt

3 Civil Eng. Dept., Faculty of Eng. Nenoufia University.

Abstract

Climate changes have been an issue to consider in the last few years. In this research, the performance of self-compacting concrete in simulated hot weather conditions is investigated. Test parameters included the ambient temperature, induced materials temperature, and the use of a retarder. The rheological properties, early shrinkage, and compressive strength were determined for different test parameters. The performance enhancement due to cooling the concrete materials and the use of a retarder was assessed and quantified. The results showed that the use of a retarder had an adverse effect on the compressive strength between 7 and 90 days in simulated hot weather conditions. The J-ring outputs were the most improved due to cooling SCC materials. On the other hand, V-funnel time T5 and the 28-day compressive and tensile strength were the least improved. The use of a retarder further reduced the compressive and tensile strength improvement percentage and increased the percentage enhancement of V-funnel T5 time.

Keywords

References

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ERJ. Engineering Research Journal
Volume 43, Issue 3
Volume issued on 11/6/2020 in 5 Parts (PART 1: Electric Eng., PART 2: Mechanical Eng., PART 3: Civil Eng., PART 4: Basic Eng. Sciences, PART 5: Architecture Eng.)
July 2020
Pages 223-230

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