Strength Characteristics of High Strength Concrete (HSC) with and without Coarse Aggregate
M Preethi1, P Ashveen Kumar2, Mohd. Hamraj3

1M. Preethi, Department of Civil Engineering, Deccan College of Engineering and Technology, Hyderabad, Telangana, India.
2P. Ashveen Kumar, Department of Civil Engineering, Matrusri Engineering College, Hyderabad, Telanagana, India.
3Mohd, Hamraj, Department of Civil Engineering, MuffakhamJah College of Engineering and Technology, Hyderabad, Telanagana, India.
Manuscript received on November 22, 2019. | Revised Manuscript received on December 15, 2019. | Manuscript published on December 30, 2019. | PP: 4701-4704 | Volume-9 Issue-2, December, 2019. | Retrieval Number: B5131129219/2019©BEIESP | DOI: 10.35940/ijeat.B5131.129219
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Abstract: This paper aimed to investigate the mechanical characteristics of HSC of M60 concrete adding 25% of fly ash to cement and sand and percentage variations of silica fumes 0%,5% and 10% to cement with varying sizes of 10mm,6mm,2mm and powder of granite aggregate with w/c of 0.32. Specimens are tested for compressive strength using 10cm X 10cmX10cm cubes for 7,14,28 days flexural strength was determined by using 10cmX10cmX50cm beam specimens at 28 days and 15cm diameter and 30cm height cylinder specimens at 28 days using super plasticizers of conplast 430 as a water reducing agent. In this paper the experimental set up is made to study the mechanical properties of HSC with and without coarse aggregate with varying sizes as 10mm, 6mm, 2mm and powder. Similarly, the effect of silica fume on HSC by varying its percentages as 0%, 5% and 10% in the mix studied. For all mixes 25% extra fly ash has been added for cement and sand.
Keywords: Fly Ash, Granite Aggregates, High Strength Concrete, Silica Fume.