Flakyness Effect of Local Coarse Aggregate on Workability and Compressive Strength of Concrete
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 4
Abstract
n Concrete aggregate occupies 70% to 80% volume and it influences the strength and workability of concrete. The coarse aggregate have different shapes like rounded, angular, flaky and elongated depends upon the source. In this present study, the investigation carried out on the effect of flaky aggregate on the workability and strength properties of concrete. The main aim of this study is the optimum percentage of flaky aggregate is allowable in the concrete to obtain better workability and strength. For this experimental work design mix is prepared for M30 and the measurement of workability is carried out by slump cone test and compaction factor test. Locally available coarse aggregate of size 20mm, river sand as fine aggregate and water binder ratio is 0.45 maintained for the entire work. The cube specimens of size 150mmX150mmX150mm are prepared with and without using admixture for compressive strength at the age of 7 and 28 days curing period. The graded and flaky aggregate ratio is 80:20 and 75:25 carried out in this work. From the experimental work it is concluded that up to 25% of flaky aggregate is allowable in the mix.
Authors and Affiliations
B. V. R. Murthy, K. Ajay Kumar, N. N. V. Suresh, N. Gireesha, G. Sandhya
Keywords
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