Strength Appraisal of Fibre Reinforced Concrete with Partial Replacement of OPC with Mineral Admixtures (Fly Ash, GGBS, Metakaolin)
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 2
Abstract
Concrete consumption has becomes multi-fold over last few decades, and such usage of concrete has increased on large scale world over. Concrete ingredients used are becoming more costly day by day and also demand for the same is increasing widely all over. The present experimental investigation is aimed to compare the glass fibre reinforced concrete on partial replacement opc with mineral admixtures (Fly ash, GGBS &Metakaolin) with concrete grade of M30. The mix proportioning for M30 grade was done according to the IS:10262-2009. The work is focused on replacing the opc i.e. Fly ash20%+GGBS20%, Fly ash20%+Metakaolin20%, Matakaolin20%+GGBS20% by mineral admixtures with and without Alkali Resistant (AR) glass fibres0.5%, 1.0% content. And also maintaining less water-cement ratio used water reducing admixture (super plasticizer). The maximum compressive strength and split tensile strength of concrete is observed for the mix with opc replaced by mineral admixtures Fly ash20%+GGBS20% @1.0% glass fibres(Mix M2) is increased by 2.55% and 9.11%. The split tensile strength of concrete mix is increased by 8.01% and31.33%. when compared with compressive strength and split tensile strength of control concrete at 7 and 28 days respectively.
Authors and Affiliations
Sathya Sai Regalla, Dr. N. Sanjeev
Keywords
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- EP ID EP437823
- DOI 10.9790/1684-1502044348.
- Views 62
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