Authors: Chaitanya Bhavsar, Paras Rathod , Rohit Karpe , Santosh Bodke , Prof. Ketan Ushir
DOI Link: https://doi.org/10.22214/ijraset.2023.54108
Certificate: View Certificate
It\'s a renowned fact that concrete used around the globe is second only to water. The cement industries have been categorized as highly polluting industries by the Central Pollution Control Board (CPCB). The production of ordinary Portland cement contributes 5-7% of total greenhouse gas emission and also consumes large amount of energy, hence it is crucial to discover substitute to cement. Eggshell is a waste material that can be obtained from restaurants, bakeries and households. Eggshell powder (ESP) has high amounts of calcium and can be combined with pozzolanic materials, such as fly ash, which have low calcium content. If effective uses for eggshell can be found, it would create an opportunity for a sustainable solution. Eggshell waste is among the most abundant agro-waste material discharged from food processing industries. Despite the exceptional properties and several applications, eggshell is castoff in huge quantity without any further use. This review paper focuses on appraising the potential uses of eggshell waste as a feedstock for production of sustainable construction materials. The emphasis is on the need to exploit extensively eggshell waste as a partial cement replacement material in cement-based construction materials. This study focuses on the viability of using calcined eggshells (CES) as a partial replacement of cement by analysing early age performance. Compressive, Flexural and Split Tensile Strength of concrete with 10%, 15%, 20% cement replacement with eggshell powder. The utilization of PES which offers a low-cost and energy-efficient resource for construction.
I. INTRODUCTION
The use of eggshell powder as a partial replacement for cement in concrete production is a topic of interest in the construction industry due to its potential environmental and economic benefits. Eggshells contain calcium carbonate, which is a major component of cement, making them a possible alternative to traditional cement. The incorporation of eggshell powder into concrete mixtures can improve the mechanical properties of the resulting concrete, including compressive strength, workability, and durability. This is because the calcium carbonate in the eggshells reacts with other components in the mix, leading to the formation of calcium silicate hydrate (c-s-h), which is the main component of cement.
To use eggshell powder as a cement substitute, it is typically added in a ratio of 5-15% by weight of the cement. The eggshells should be cleaned, dried, and ground into a fine powder before use. The eggshell powder can then be added to the concrete mix during the mixing process.
However, there are some potential drawbacks to the use of eggshell powder as a partial replacement for cement. The strength and durability of the resulting concrete may be affected if the eggshell powder is not ground finely enough or if the ratio of eggshell powder to cement is too high. The setting time of the concrete may also be affected.
This project report aims to explore the use of eggshell powder as a partial replacement for cement in concrete production. The report will include a review of relevant literature on the topic, an overview of the experimental methodology, and a discussion of the results. The report will also examine the economic and environmental benefits of using eggshell powder in concrete production, as well as any potential drawbacks. Overall, this project aims to contribute to the growing body of research on sustainable and eco- friendly construction materials.
II. OBJECTIVES
III. Literature review
The development of infrastructure projects requires the use of innovative, cost-effective, and environmentally sustainable materials. The manufacturing process of cement involves the use of non-renewable resources, which poses significant environmental risks. To address these concerns, recyclable materials could be used as substitutes for cement. In this context, a comprehensive review was conducted to assess the potential of waste eggshells for use in construction. The study investigated the physical, chemical, and morphological characteristics of powdered eggshells (PES), as well as the fresh and hardened properties of concrete blended with PES. Results showed that a 10–15% PES substitution for cement resulted in improved strength and performance of concrete. Therefore, PES could offer a low-cost and energy-efficient resource for construction.
2. Hussein M. Hamada, Bassam A. Tayeh, Alyaa Al-Attar, Fadzil M. Yahaya, Khairunisa Muthuswamy, Ali M. Humada (The present state of the use of eggshell powder in concrete: A review)
Eggshell waste is a by-product generated by bakeries and fast-food restaurants. This waste material is usually disposed of in landfills, causing environmental pollution and health hazards. Eggshell powder (ESP) contains high amounts of calcium and can be used in combination with pozzolanic materials like fly ash, which have low calcium content. This paper presents the latest studies on the utilization of ESP as a filler, cement replacement, and fine aggregate. The chemical composition, physical properties, and fresh and hardened properties of ESP concrete at different proportions are also discussed. Results indicate the potential of using ESP with other pozzolanic materials to improve concrete properties and reduce cement production, thus minimizing environmental pollution. The compressive, flexural, and tensile strengths have also been improved with the use of some materials with ESP as cement replacement. However, some studies reported a reduction in strength when cement is replaced with high percentages of ESP, particularly those larger than 10%. Moreover, the modulus of elasticity decreases with high levels of replacement. The specific gravity of ESP was found to be lower than that of cement. The durability and water absorption of concrete were reduced with the addition of ESP.Processing of Eggshell, Calcination – 900 Degree Celsius for 2 Hr, Particle Size – Less than 300um
Split tensile and flexural strength and the modulus of elasticity decreases with ESP content by more than 10%.
ESP has a negative effect on concrete durability mainly because it increases the water absorption of concrete.
3. Navaratnarajah Sathiparan (Utilization prospects of eggshell powder in sustainable construction material – A review)
As infrastructure development continues to grow at a rapid pace, so does the demand for construction materials, with cement being one of the most commonly used materials worldwide. However, the use of nonrenewable resources in cement production and the resulting CO2 emissions have created significant environmental problems. One practical solution is to partially or fully replace cement with waste materials, which can reduce the environmental impact caused by the dumping of waste.
Eggshell waste can be obtained from households, bakeries, and restaurants, and if it can be effectively utilized, it presents a sustainable solution. This report presents the latest studies on the use of eggshell powder in various construction materials, such as concrete, cement mortar, brick, alkali-activated binder, and soil stabilizer. The physical and chemical properties of eggshell powder and the factors that influence its characteristics were also analyzed. The results indicate that eggshell powder can improve the characteristics of cementitious materials. Specifically, replacing 10-15% of cement with eggshell powder results in strength development comparable to the control. Several studies have also shown the potential of using eggshell powder as a soil stabilizer and for improving the mechanical properties of bricks. Therefore, eggshell powder is an energy and cost-effective solution for creating sustainable construction materials.
IV. METHODOLOGY
A. Methodology Flowchart
The whole project is based on laboratory experiment so the approach of the research adopted here is Experimental Research. The following flow chart illustrates the methodology of the study.
After conducting flexural test on five beam specimens the conclusions of the work are as follows: 1) From test results it is observed that flexural strength of 5% beam is decreased as compared to conventional beam by 8.78%. 2) Replacement of ESP by 10% in Beam has significantly decreased the flexural strength by 14.92 %. 3) Replacement of ESP by 15% in Beam has significantly decreased the flexural strength by 21.22 %. From above it seems that the addition of ESP in beam has decreased the flexural strength at 5%,10% and 15% replacement.
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Copyright © 2023 Chaitanya Bhavsar, Paras Rathod , Rohit Karpe , Santosh Bodke , Prof. Ketan Ushir . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Paper Id : IJRASET54108
Publish Date : 2023-06-16
ISSN : 2321-9653
Publisher Name : IJRASET
DOI Link : Click Here