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Effects of Recycled Aggregates Including Waste Plastic Materials and Quarry Dust on Compressive Strength of Concrete
Concrete mixture is a vital element in building up any type of constructions that require a wide range of mechanical and sustainable properties in providing safe and durable structures. The variation of compressive strength based on partial replacement of fresh Coarse and fine aggregates by recycled aggregates and combination of quarry dust with waste plastic materials has discussed in this study. Three type’s proportions of cement, sand and aggregates respectively as 1:1.25:2.5; 1:1:2 & 1:0.75:1.5 was used in providing cylinder for getting concrete mix. In providing concrete mixture, the water-cement ratio was fixed as 0.45. The percentage of recycled aggregates and combination of quarry dust with waste plastic materials used by volume basis were 10% and 25% as replacement of coarse and fine aggregates. For finding out the physical properties of aggregates, different tests were carried out in the laboratory respectively as gradation of both coarse and fine aggregates, unit weight of coarse aggregate in loose and dense conditions, water absorbing capacity of coarse aggregates and other related testes that are essential in evaluating the character of aggregates. From the observation it is concluded that for 10 % aggregate replacement in fresh concrete in terms of recycled aggregates and combination of quarry dust with waste plastic materials (Combination 1) shows good result of compressive strength and require physical characteristic compare to fresh concrete. Similarly when the fresh aggregates are replaced with 25 % recycled aggregates and combination of quarry dust with waste plastic materials (Combination 2) gave a satisfactory result in comparison with fresh concrete for 7, 14 and 28 days. Besides the use of recycled aggregates, quarry dust and waste plastic materials as replacement for coarse aggregate and fine aggregate in concrete will reduce the Environmental wastes.
Effects of Recycled Aggregates Including Waste Plastic Materials and Quarry Dust on Compressive Strength of Concrete
Concrete mixture is a vital element in building up any type of constructions that require a wide range of mechanical and sustainable properties in providing safe and durable structures. The variation of compressive strength based on partial replacement of fresh Coarse and fine aggregates by recycled aggregates and combination of quarry dust with waste plastic materials has discussed in this study. Three type’s proportions of cement, sand and aggregates respectively as 1:1.25:2.5; 1:1:2 & 1:0.75:1.5 was used in providing cylinder for getting concrete mix. In providing concrete mixture, the water-cement ratio was fixed as 0.45. The percentage of recycled aggregates and combination of quarry dust with waste plastic materials used by volume basis were 10% and 25% as replacement of coarse and fine aggregates. For finding out the physical properties of aggregates, different tests were carried out in the laboratory respectively as gradation of both coarse and fine aggregates, unit weight of coarse aggregate in loose and dense conditions, water absorbing capacity of coarse aggregates and other related testes that are essential in evaluating the character of aggregates. From the observation it is concluded that for 10 % aggregate replacement in fresh concrete in terms of recycled aggregates and combination of quarry dust with waste plastic materials (Combination 1) shows good result of compressive strength and require physical characteristic compare to fresh concrete. Similarly when the fresh aggregates are replaced with 25 % recycled aggregates and combination of quarry dust with waste plastic materials (Combination 2) gave a satisfactory result in comparison with fresh concrete for 7, 14 and 28 days. Besides the use of recycled aggregates, quarry dust and waste plastic materials as replacement for coarse aggregate and fine aggregate in concrete will reduce the Environmental wastes.
Effects of Recycled Aggregates Including Waste Plastic Materials and Quarry Dust on Compressive Strength of Concrete
Mahfujur Rahman (author) / Mst. Monzila Akter (author)
2019-08-29
oai:zenodo.org:3381080
Journal of Building Construction 1(2) 1-8
Article (Journal)
Electronic Resource
English
DDC:
690
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