Replacement of Fine Aggregates with Sawdust & Coarse Aggregate with Brick Ballast in Concrete

Anisha; Ankit Sethi

doi:10.36948/ijfmr.2023.v05i04.4466

Replacement of Fine Aggregates with Sawdust & Coarse Aggregate with Brick Ballast in Concrete

Author(s)	Anisha, Ankit Sethi
Country	India
Abstract	For the manufacturing of concrete, the construction industry mainly relies on standard materials like cement, sand, and gravel. River sand and gravel, which are most frequently used as fine aggregates and coarse aggregates in the creation of concrete, respectively, present the issue of acute shortage in many areas, and their continued use has started posing serious problem with respect to its availability, cost, and environmental impact. In this research, an effort is being made to manufacture lightweight, inexpensive concrete using locally accessible waste materials in place of river sand and gravels. For building concrete, river sand and gravels can partially replace sawdust and brick ballast, which are readily available and inexpensive By employing M30 grade concrete, natural sand and gravel have been partially substituted with sawdust and broken brick ballast (4% SD 8% BB, 4% SD 16% BB, 4% SD 24% BB, 8% SD 8% BB, 12% SD 16% BB, and 12% SD 24% BB, respectively). For this, thirty 150mm X 150mm X 150mm concrete cubes with a water cement ratio of 0.42 have been cast. To improve the workability, water-reducing admixture is utilised. The specimens with the aforementioned combination have had their compressive strength at (28 days), slump test, and compacting factor test results compared to control specimens.As the replacement percentages rise, the workability and compressive strength gradually deteriorate. The ideal mixture for making concrete of the M30 grade is discovered to be 16% of brick ballast and 8% of sawdust.
Keywords	Sawdust, brick ballast, coarse aggregates, fine aggregates, slump cone test, compaction factor test, comp. strength test, slump value.
Field	Engineering
Published In	Volume 5, Issue 4, July-August 2023
Published On	2023-07-15
Cite This	Replacement of Fine Aggregates with Sawdust & Coarse Aggregate with Brick Ballast in Concrete - Anisha, Ankit Sethi - IJFMR Volume 5, Issue 4, July-August 2023. DOI 10.36948/ijfmr.2023.v05i04.4466
DOI	https://doi.org/10.36948/ijfmr.2023.v05i04.4466
Short DOI	https://doi.org/gshm8h

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Replacement of Fine Aggregates with Sawdust & Coarse Aggregate with Brick Ballast in Concrete

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