Abstract
In this study, the effects of five commercially available polycarboxylate superplasticizers (PCEs), which are WP30/RM, SR/RM, ACE 8109, SKY 8705 and MG 8728 on ternary blended cement system have been studied based on the marsh cone test. Results are presented for cement pastes with Ground Granulated Blast Furnace Slag (GGBS) and Pulverised Fuel Ash (PFA) as mineral admixtures. The ratio of GGBS and PFA was fixed at 4:1 according to the optimization. The water to binder ratio was fixed at 0.30. It was observed that the behaviour of polycarboxylate superplasticizers varies from one brand to another even though their chemical family are same. By using marsh cone test, the properties of those commercial polycarboxylate superplasticizers have been compared and the optimum dosages of certain polycarboxylate superplasticizers were defined as well. Based on the result, WP30/RM possesses the best fluidity performance compared to others with the solid content of 53%.
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