The principal aim of this study was to research the influence of the strength of brick on the properties of brick aggregate concrete. In doing that the water-cement ratio by weight and curing period of concrete for all specimens was kept fixed. The sort of brick as a source of coarse aggregate was the sole variable during this study. Three varieties of brick were utilized during this study to vary the strength of aggregate. These are picked first-class brick and second class brick. The mix ratio by volume were 1:1.25:2.5 & 1:1.5:3.0. The fineness modulus of combined sand (50% Sylhet +50% Local) was 1.88. Tests were administered on cylinder and prism specimens. Emphasis was given to studying the fundamental properties of hardened concrete like compressive strength, modulus of elasticity, and tensile strength. Attempts were made to form a relation between the properties of concrete and also the strength of bricks. The test results have shown that the properties of concrete the compressive strength, f’c; modulus of rupture, fr; split tensile strength, fsp and modulus of elasticity, Ecinitially increases at the subsequent rate with the increase of the strength of brick, and then the rate decreases.
Mix Ratio, Fineness Modulus, Compressive Strength, Modulus of Elasticity, Tensile Strength
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