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Tikrit Journal of Engineering Sciences (2016) 23(1) 40- 52

Mechanical Properties of Self-Compacted Concrete

Ammar S. Khazaal Alyaa A. Ali Assim M. Lateef
Civil Eng. Dept., Tikrit University, Iraq Civil Eng, Dept., Technical College of Kirkuk, Iraq Environmental Eng, Dept., Tikrit University, Iraq

Abstract

In this research, trial mixes were conducted according to Self-Compacted Concrete (SCC) specifications, a mix that gave a higher compressive strength to the age of seven days has been selected. Then after selecting the appropriate mix, concrete samples had poured and were distributed into five groups; each group consists of six cubes, six cylinders, and six prisms. The samples of each group are testing for compressive, tensile splitting, and flexure strengths respectively for the ages of 7, 14, 28, 60, and 90 days respectively. Before of conduction of destructive tests, the samples were tested using ultrasonic waves to determine the relationship between the concrete strength and pulse velocity and in the same way for all ages in above. Experimental results showed that, all concrete mechanical properties have improved, and the maximum improve was in flexural strength followed by compressive strength and tensile splitting strength. The cube compressive strength increased according to (G1 at 7 days curing) from 34.3% to 71.8%, the percentage of increase of tensile strength according to (G1 at 7 days curing) from 16.8% to 64.3% , modulus of rupture increased according to (G1 at 7 days curing) from 34.6% to 98.7% for ages (14, 28, 60, 90 days) respectively. Pulls velocity increased according to (G1 at 7 days curing): For cube from 5.1% to 23.9%, for cylinder from 21.4% to 40.3%, for prisms from 7.1% to 29.2%.

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Keywords:Self-Compacted Concrete, Mechanical Properties, Pulse Velocity, Compressive Strength.

How to cite

TJES: Khazaal AS, Ali AA, Lateef AM. Mechanical Properties of Self-Compacted Concrete. Tikrit Journal of Engineering Sciences 2016;23(1):40-52.
APA: Khazaal, A. S., Ali, A. A., & Lateef, A. M. (2016). Mechanical Properties of Self-Compacted Concrete. Tikrit Journal of Engineering Sciences, 23(1), 40-52.