Production of Medium Strength Self Compacting Concrete using Silica Fume and Quarry Dust
R.Chithra1, K.Ramadevi2, S.Chithra3, R. Ravindranath Chandra4, L. Mangaleshwaran5
1R.Chithra, Department of Civil Engineering, Government College of Technology, Coimbatore (Tamil Nadu), India.
2K.Ramadevi, Department of Civil Engineering, Kumaraguru College of Technology, Coimbatore (Tamil Nadu), India.
3S.Chithra, Department of Civil Engineering, Government College of Technology, Coimbatore (Tamil Nadu), India.
4R.Ravindranath Chandra, Department of Civil Engineering, United Institute of Technology, Coimbatore (Tamil Nadu), India.
5L.Mangaleshwaran, Directorate of Technical Education, Chennai (Tamil Nadu), India.
Manuscript received on 15 August 2019 | Revised Manuscript received on 27 August 2019 | Manuscript Published on 06 September 2019 | PP: 65-72 | Volume-8 Issue- 6S, August 2019 | Retrieval Number: F10130886S19/19©BEIESP | DOI: 10.35940/ijeat.F1013.0886S19
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Abstract: Self Compacting Concrete (SCC) is able to compact under its own mass in thin sections and in congested reinforced zones due to its high fluidity and cohesiveness. In order to produce an eco-friendly self compacting concrete with characteristic compressive strength of 40MPa, a fine industrial by-product silica fume is used as a partial substitutefor cement by weight (5%, 7.5% and 10%) and in addition to that quarry dust is partially replaced for natural fine aggregate from 5 to 15% with an increment of 5%. To study the effect of silica fume and quarry dust in fresh and hardened properties of medium strength self compacting concrete, 10 different SCC mixes were designed using Japanese method. From the experimental studyit was observed that the SCC mix containing 7.5% silica fume and 5% quarry dust exhibits the equivalent properties as that of SCC mix made with conventional materials and found to be optimum. Also, analytical expressions are proposed to predict the indirect tensile strength and flexural strength of SCC in terms of compressive strength and the results are compared with the existing codal provisions.
Keywords: Eco-friendly, Self Compacting Concrete, Silica Fume, Quarry Dust, Fresh Properties, Mechanical Properties.
Scope of the Article: Production Engineering