Effect of Alccofine on Mechanical and Durability Index Properties of Green Concrete (TECHNICAL NOTE)


National Institute of Technology, Srinagar, Jammu & Kashmir, India


In the modern era, many research works are being carried out throughout the world for finding out a suitable cementitious material for the replacement of cement. The supplementary cementitious materials (SCM) can be used as a replacement of cement in the construction industry to minimize the carbon dioxide emission which is implicated in global warming and climatic changes in the environment. This paper presents the mechanical and durability index properties for M30 grade normal concrete (NM) and green concrete (GC). From the experimental results, it was clearly observed that the use of alccofine has resulted in attainment of higher strengths at early ages in concrete. Green concrete mix with 20% alccofine replacement of cement has achieved higher mechanical and durability index properties as compared to all other mixes. Response surface methodology was adopted to optimize the experimental data set in which regression equation was developed by relating response variable to input variable. This method helped to predict the experimental values within an acceptable error range. The predicted values were cross validated by employing coefficient of determination (R2) and residual sum of squares (RSS) which showed a good fit.


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