Abstract
Self consolidating concrete (S.C.C.) is a type of concrete which need not be provided any kind of external work for compaction and gets consolidated by own weight and thereby providing a lot of economic and technical benefits. It flows under own weight to completely fill forms and pass without segregation, through closely spaced reinforcement. Alccofine is a pozzolanic material and the ultrafine particles of Alccofine provide better workability, strength as well as the economy. Properties of M40 S.C.C. control mix was compared with S.C.C. mixes incorporating 1% of glass fiber and replacing different percentages (0%, to 15% by weight) of cement with Alccofine was studied. Optimum replacement of cement was assessed by studying properties in the fresh state and in the hardened state, and then comparing results with properties of control mix. Fresh state properties of S.C.C. were assessed by L box test, slump-flow test and V funnel test. Compressive strength, flexural strength, and splitting tensile strength tests were done to assess hardened state properties. Properties of S.C.C. in Fresh and hardened state were seen to be enhanced by addition of Alccofine and Glass fiber.
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