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Research Paper | Civil Engineering | India | Volume 6 Issue 7, July 2017 | Popularity: 6.8 / 10
Comparative Study on Effect of P.P.C, Flyash Mixed O.P.C. & Silica Fume Mixed O.P.C. on Concrete
Chetali Shrivastava
Abstract: Concrete is the most widely used construction material in all type of civil engineering works and cement is the main constituent of the concrete which act as a binder between fine and coarse aggregates. Mainly two types of cement that is ordinary Portland cement and Portland pozzolana cement are used, in which fly ash used as supplementary cementations material in the production of Portland cement concrete. A supplementary cementation material when used in conjunction with Portland cement, contributes to the properties of hardened concrete through hydraulic and pozzolanic activity or both. Pozzolana that is commonly used in concrete includes fly ash, silica fume and variety of natural pozzolanas such as calcinied clay and volcanic ash. Fly ash has been used in concrete at levels ranging from 10 % to 30 % by mass of the cementations material component. The project explore a theme on the use of fly ash and silica fume in different proportion and its potential use as site mix P. P. C Research is comprised of comparative study on effect of P. P. C. , fly ash mixed O. P. C. and silica fume mixed O. P. C on compressive strength of concrete of various grades. For the purpose, concrete cubes using factory mixed P. P. C. and Site mixed P. P. C were casted & results of 7 and 28 days compressive strength were compared. Results of above experimental study demonstrate that site mix P. P. C concrete gives better strength for higher grade concrete up to 30 % of fly ash replacement by cement and 10 % of fly ash replacement for low grade concrete. Site mix P. P. C can be used as a replacement of factory mixed cement and which can proof as a economical cement
Keywords: ordinary Portland cement, Portland pozzolana cement, compressive strength, Site mix PPC, Concrete
Edition: Volume 6 Issue 7, July 2017
Pages: 568 - 571
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