An experimental study on partial replacement of fine aggregate with crushed spent fire bricks and aluminum dust in concrete

Civil Engineering

Fine aggregate is a widely used construction material all over the world. Various researches have been done for the replacement of the construction materials for efficient purposes of which crushed spent fire bricks is one of them. This project explains about the replacement of fine aggregates by partially crushed spent fire bricks. Therefore, varying percentage of fine aggregates by crushed spent fire bricks and aluminium dust with varying percentage of 10%, 15%, & 20% and optimum percentage of replacements is made and strength and workability parameters are studied. The workability of concrete gets decreased with the addition of the crushed spent bricks. From the test results, crushed spent fire bricks replaced for fine aggregates give a maximum strength at 20% when compared to conventional concrete. Then the optimum percentage of replacement of fine aggregates by crushed spent fire bricks are used in combination as partial replacement in concrete and the optimum percentage of the combination is obtained.

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