Performance of self-compacting concrete cast in hot weather conditions

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Hossam S. KHALIL

Keywords : self-compacting concrete, rheological properties, compressive strength, splitting tension, silica fume, fly ash, hot weather, casting, retarder

This work focused on how self-compacting concrete (SCC) performs in situ in hot weather conditions at an ambient temperature of about 35°C. Tests for the rheological properties and compressive and splitting tensile strength aspects were carried out. The results of SCC mix ingredients on the rheological and hardened features of SCC mix were studied. Variations in the amount of portland cement content (CC), water to cement ratio (w/c), coarse to fine aggregate ratio (C : F), chemical admixture ratio, and pozzolanic admixture ratio were considered. Optimum values were obtained for these ingredients, which satisfied the SCC rheological characteristics and gave a 28-day compressive strength of 42 MPa, and 52 MPa after 28 days and 56 days, respectively. These optimum constituent values were 450 kg·m–3 of cement, 0.45 water cementitious ratio, and a coarse to fine material ratio of 1 : 0.8, a high range superplasticizer of 2%, and a mineral admixture of either 5% silica fume or 25% fly ash as a substitute for a similar amount cement.

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How to Cite
KHALIL, H. S., ABD ELHAMEID, M. W., & BADAWY, A. A. (2023). Performance of self-compacting concrete cast in hot weather conditions. Scientific Review Engineering and Environmental Sciences (SREES), 32(3), 284–302.
Author Biographies

Hossam S. KHALIL, Zagazig University, Faculty of Engineering, Egypt

Dr. Hossam Khalil is an associate Professor in the Materials Engineering Department, Faculty of Engineering, Zagazig University in Egypt. He teaches some courses for the undergraduate and graduate students such as Properties and Strength of materials, Concrete Technology, Materials and Methods of Repair and Strengthening. He also supervised a group Graduate students during their research work and his research interests are Special concrete, Repair and Strengthening of Concrete Structures. Dr. Hossam was born in Cairo, Egypt in 1963.He graduated from King Abdulaziz University, Saudi Arabia in 1984 and got his Master degree from King Fahd University of Petroleum and Minerals, Saudi Arabia in 1989. He obtained his Ph.D. degree from Zagazig Universit, Egypt in 1999 and the experimental program of his thesis was done in Magnel Laboratory for Concrete Research of Ghent University, Belgium.  

Mohamed W. ABD ELHAMEID, Zagazig University, Faculty of Engineering, Egypt

Eng. Mohamed Wasfy Kenawy is a Consultant engineer for the quality of concrete bridges. He worked as an engineer at the Ministry of Transport at the General Authority for Roads, Bridges and Land Transport, Egypt. He was born in Sharqia, Egypt in 1986. He graduated from the Higher Technological Institute, Tenth of Ramadan City, Egypt in 2008. He supervised the construction of many bridges in different locations and is working now works as a manager for bridge projects in Sharqia Governorate, Egypt.

Amal A. BADAWY, Zagazig University, Faculty of Engineering, Egypt

Dr. Amal A. M. Badawy is a professor and the Chairman of Materials Engineering Department, Faculty of Engineering, Zagazig University, Egypt. The author graduated from Zagazig University in 1986 and received her M.Sc. Degree in 1992. She obtained her Ph.D. Degree in 1998.  Her Fields of interest are Composite Materials & Properties and Strength of Materials, Phone: 002-01221400124, E- Mail:


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