Accelerated Method of Mix Design for Concrete by using GGBS and Silica Fume
N. Yeshaswini Sai Priya1, B. Kameswara Rao2

1N. Yeshaswini Sai Priya, PG Student, Department of Civil Engineering, Koneru Lakshmaiah Education Foundation, Guntur (Andhra Pradesh), India.
2B. Kameswara Rao, Professor, Department of Civil Engineering, Koneru Lakshmaiah Education Foundation, Guntur (Andhra Pradesh), India.
Manuscript received on 02 May 2019 | Revised Manuscript received on 14 May 2019 | Manuscript Published on 28 May 2019 | PP: 441-447 | Volume-7 Issue-6C2 April 2019 | Retrieval Number: F10800476C219/2019©BEIESP
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Abstract: Accelerated method of mix design is very effective method for producing high performance characteristics in early ages of concrete. Accelerated curing of concrete hastens the process of hydration of cement and as a result the essential portion of the strength to be attained in 28 days under normal curing conditions is achieved within a short period. In 1980’s there is no awareness of using Ground Granulated Blast Furnace Slag (GGBS) and Silica fume. In accelerated method of mix design, till now there is a correlation for plain concrete only. In this study, the accelerated curing method was done by using the combination of GGBS and Silica fume and by varying three different water-binder ratios such as 0.3, 0.4 and 0.5, whereas the percentages of GGBS have been varied from 90%, 80%, 70%, 60% and 50% by adding 5% of silica fume for the weight of cement. To achieve above mentioned in this present study around 108 number of standard lab size of cubes (150×150×150mm) have been tested under compression. The performance of blended concrete with accelerated curing method has been accessed through compressive strength, effect of GGBS percentage and effect of water-cement ratio. In this study, the correlations will be developed among the boiling water strength, 28 days and 90 days of GGBS and Silica fume.
Keywords: Accelerated Method, Correlation, GGBS, Silica Fume, Water-Binder Ratio.
Scope of the Article: Properties and Mechanics of Concrete