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Experimental impacts of removing cover concrete from a coconut shell reinforced concrete beam

Experimental impacts of removing cover concrete from a coconut shell reinforced concrete beam Recycling coconut shell (CS) in creating coconut shell concrete (CSC) is one of the sustainable concretes produced. And it has proved that it is a creative idea to use the CS waste in the manufacturing of green concrete while also protecting the environment by reducing its landfills. Most CSC studies utilized river sand (R-sand) as a fine aggregate. But the current situation is different since a substitute material for R-sand is urgently needed to maintain ecological equivalence. The primary sources accessible for this function are quarry dust and manufactured sand (M-sand). Many researchers have researched the usage of M-sand in concrete, and its utility combined with CS for the development of CSC is extremely limited. Also, the concrete cover thickness is significant in the engineering design and construction segments. If the width of the concrete cover doesn’t quite meet the design drawings and standards, it will be simple to introduce certain flaws; surface cracking on building components, for example, can compromise the structure’s strength and durability. In this research, strength criteria are considered for three specimens with the gradual removal of a clear cover thickness (50,25,0 mm) of M25 grade of concrete following conventional concrete with R-sand, coconut shell concrete with R-sand, conventional concrete with M-sand, and coconut shell concrete with M-sand, these are the concrete trials to investigate the flexure behavior of over reinforced concrete beam. The outcomes of a laboratory examination into removing clear concrete are provided. Load versus deflection parameters, crack thickness, and stiffness, when evaluated over 28 days, are among the data reported. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Building Pathology and Rehabilitation Springer Journals

Experimental impacts of removing cover concrete from a coconut shell reinforced concrete beam

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Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022
ISSN
2365-3159
eISSN
2365-3167
DOI
10.1007/s41024-022-00206-w
Publisher site
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Abstract

Recycling coconut shell (CS) in creating coconut shell concrete (CSC) is one of the sustainable concretes produced. And it has proved that it is a creative idea to use the CS waste in the manufacturing of green concrete while also protecting the environment by reducing its landfills. Most CSC studies utilized river sand (R-sand) as a fine aggregate. But the current situation is different since a substitute material for R-sand is urgently needed to maintain ecological equivalence. The primary sources accessible for this function are quarry dust and manufactured sand (M-sand). Many researchers have researched the usage of M-sand in concrete, and its utility combined with CS for the development of CSC is extremely limited. Also, the concrete cover thickness is significant in the engineering design and construction segments. If the width of the concrete cover doesn’t quite meet the design drawings and standards, it will be simple to introduce certain flaws; surface cracking on building components, for example, can compromise the structure’s strength and durability. In this research, strength criteria are considered for three specimens with the gradual removal of a clear cover thickness (50,25,0 mm) of M25 grade of concrete following conventional concrete with R-sand, coconut shell concrete with R-sand, conventional concrete with M-sand, and coconut shell concrete with M-sand, these are the concrete trials to investigate the flexure behavior of over reinforced concrete beam. The outcomes of a laboratory examination into removing clear concrete are provided. Load versus deflection parameters, crack thickness, and stiffness, when evaluated over 28 days, are among the data reported.

Journal

Journal of Building Pathology and Rehabilitation – Springer Journals

Published: Dec 1, 2022

Keywords: Coconut shell; R-sand; M-sand; Cover concrete; Clear cover; Flexure

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