Abstract
Abstract This research studied the properties of self-compacting concrete (SCC) containing ternary combinations of cementitious materials (TCM), i.e., Type 1 Portland cement (OPC), rice husk ash (RHA), and limestone powder (LP). The SCC mixtures were prepared using a constant water/TCM ratio of 0.28 by weight, a TCM content of 450 kg/m3 and an OPC replacement percentage of 0 or 20 %wt. Superplasticizer was also used in the mixtures for enhancing the workability of SCC. The fresh and hardened properties were systemically investigated including unit weight, slump flow diameter, slump flow time at 50 cm diameter, J-ring flow, V-funnel flow time, L-box, Temperature rise, ultrasonic pulse velocity and compressive strength. The results revealed that the use of TCM mixes in self-compacting concrete can significantly improve the properties of SCC when compared to the conventional SCC. Keywords : Limestone powder; Rice husk ash; Self-compacting concrete; Ternary of blends cementitions materials
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