An experimental investigation on rice husk ash(RHA)and Conplast SP 430(CP-admixture)was carried out to evaluate their effects on the paste characteristics(soundness,consistency,initial and final setting times).The cem...An experimental investigation on rice husk ash(RHA)and Conplast SP 430(CP-admixture)was carried out to evaluate their effects on the paste characteristics(soundness,consistency,initial and final setting times).The cement content used was 300g and the brand was‘Ashaka’Portland cement conforming to BS EN 121973.Various combinations of the mixtures OPC-RHA-CP-admixture were used to establish performance characteristics of the pastes.Statistical characteristics,and linear regression models(no-transformation,λ=0.5,and Box-Cox transformation)were developed on the experimental data for decisions on their performances。展开更多
文摘An experimental investigation on rice husk ash(RHA)and Conplast SP 430(CP-admixture)was carried out to evaluate their effects on the paste characteristics(soundness,consistency,initial and final setting times).The cement content used was 300g and the brand was‘Ashaka’Portland cement conforming to BS EN 121973.Various combinations of the mixtures OPC-RHA-CP-admixture were used to establish performance characteristics of the pastes.Statistical characteristics,and linear regression models(no-transformation,λ=0.5,and Box-Cox transformation)were developed on the experimental data for decisions on their performances。