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Effect of Aggregate Shapes on the Characterstics of Concrete

. Keerti Meena and Harsh Rathore


Abstract

More than 90% of concrete is made up of aggregates, which also heavily influence the material's strength. In this work, elongation and thickness gauge are used to calculate shape properties such flakiness and elongation. Granite was employed as the study's aggregate. Concrete is subjected to slump testing, water absorption tests, compressive strength tests, and flexural strength tests while aggregate is subjected to aggregate crushing value and aggregate impact value tests. For the compressive strength test, a total of 30 concrete cubes made from 1:1.5:3 mixes are created, and for the flexural strength test, 5 reinforced concrete beams are created. The slump for each sample tested is verified as accurate. It has been discovered that a low proportion of flaky and elongated aggregate has a higher compressive strength than a big percentage, and that the percentage has a significant impact on the compressive strength of the concrete cube.

Keywords: Concrete, aggregate, flaky, flexural and compressive strengths.

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