International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 04 | Apr 2024
p-ISSN: 2395-0072
www.irjet.net
EXPERIMENTAL ANALYSIS ON PARTIAL REPLACEMENT OF CEMENT BY FLY ASH, COARSE AGGREGATE BY COCONUT SHELL AND FINE AGGREGATE BY SAW DUST IN CONCRETE Yasam Yash1, Hirendra Pratap Singh2, Rakesh Sakale3, Pawan Dubey4 1Research Scholar Department of Civil Engineering, People's University, Bhopal (M.P.) 2Assistant Professor Department of Civil Engineering, People's University, Bhopal (M.P.)
3Associate Professor Department of Civil Engineering, People's University, Bhopal (M.P.) 4Assistant Professor Department of Civil Engineering, People's University, Bhopal (M.P.)
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Abstract -
used, which puts the ecosystem at serious risk. Thus, the goal of this study is to address environmental issues by falling the quantity of fly-ash, sawdust and, coconut that is dumped on landfills. This will undoubtedly help diminish the amount of carbon dioxide (CO2) that is released into the atmosphere, which otherwise contributes to global warming, one of the main issues facing the modern world. Therefore, fly ash, sawdust, and coconut shell are being used in this project to partially supernumerary cement, fine-aggregate and coarseaggregate in concrete. Fly-ash is made up of silicon dioxide, aluminum oxide, and calcium oxide and is produced when coal is burned. Fly-ash can be used to partially swap cement in concrete since it has great pozolonic qualities and reacts with water quickly. Saw-dust is a waste product obtained from sawmills. Particularly in this area, using coconut-shells in place of coarse-aggregates in concrete is becoming more and more popular. The hard exterior of the coconut is called the shell. Since it worked, we can conclude that in many concrete applications, excess and by-product can be used in consign of natural materials.
The contemporary world is heavily focused on green and ecological development. Concrete is the utmost widely used building material in the world. Cement, fine and coarseaggregate, water, make up this composite material. The replacement impacts that fly-ash, sawdust, and coconutshell bring to concrete are the main topic of this thesis. Cement and usual fine-aggregates were moderately substituted with fly-ash and sawdust, individually. Here, the coarse aggregate in the solid is swapped out for coconut shell. Determining the compressive-strength, split-tensile strength, and slump value is how the experiment is conducted. Sawdust is added to concrete in percentages of 5.0%, 10.0%, 15.0%, 20.0%, and 25.0% in place of natural fine aggregates. Fly Ash is consistently added to the mix at a weight of 30.0% cement having strong pozzolonic qualities, sawdust has properties comparable to those of usual fine-aggregates, and coconutshell gives the concrete strong split-tensile strengths. The outcomes are contrasted with the design mix M30 control mix. Testing is done on the specimens 7, 14, 21, and 28 days after they have cured. It has been found that, during 7, 14, 21, and 28 days of curing, concrete can have up to 20.0% of its natural fine-aggregate substituted by sawdust and 20.0% of its coarseaggregate substituted by coconut shell, all without compromising its strength. Fly-Ash should remain at 30% of the mix. As the quantity of resources increases, slump's value diminishes. Additionally, the price of concrete decreased to the total price per cubic meter of concrete.
1.1 1.2 OBJECTIVES These are the following objectives of this work:1. The primary goals of this work are to determine the ideal saw-dust percentages to substitute for natural fineaggregates, fly ash percentages to substitute for cement, and coconut-shell percentages to substitute for coarse-aggregate. 2. To determine and compare the slump values of regular concrete with modified concrete that has been treated with fly-ash, saw-dust, and coconut-shell.
Key Words: coconut shell, saw dust, fly ash, sustainable concrete, pozzolonic.
3. To ascertain the changed concrete's hardened behavior, such as its compressive-strength.
1. INTRODUCTION After water, concrete is the most extensively utilized manmade stuff worldwide. Sand, aggregates, cementing constituents, and occasionally admixtures are further in the appropriate amounts to achieve it. Every day, there is an enormous enhance in demand for it. In order to convene this requirement, a large amount of natural possessions must be
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4. To make the composite more inexpensive in association to regular O-P-C concrete. 5. To utilize these leftover elements to create lightweight concrete.
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