Abstract
Concrete is one of the most important materials that are used in the construction industry all around the world. A larger part of the capacity in concrete is generally employed by the coarse aggregate. Due to the tremendous use of coarse aggregate in the construction industry, the material is getting degraded. In order to preserve the natural material, we are in search of an alternate material that can be used in concrete instead of the original one. So in this research work, it has been attempted to study the mechanical behaviour of lightweight concrete when we use waste coconut shell as coarse aggregate inside concrete. To improve the strength of the concrete, we also use the sisal fibres in various proportions ranging between 1 and 5% in accordance to the binder weight. After the mechanical property tests such as the compression test, spilt tensile strength, flexural test, modulus of elasticity test, and impact resistant test were conducted, finally it was concluded that there was increment in the compression strength up to 5%, and tensile strength was increased to 17% and elastic modulus to 7% when the fibre content used was 3%. Thus, with the use of these waste materials, it was found that the concrete's strength gets increased and it leads to the formation of sustainable concrete thus reducing the pollution in the environment.
Highlights
Concrete is the world's second most disbursed component and is a widely utilized building material (Meyer 2009)
In this research work a try has been attempted to study the mechanical behaviour of light weight concrete when we use coarse aggregate as waste coconut shell inside concrete
After the mechanical properties tests such as the compression test, spilt tensile strength, flexural test, modulus of elasticity test, impact resistant test were conducted it was concluded that there was increment in the compression strength up to 5%, tensile strength was increased to 17% elastic modulus to 7% when the fiber content used was 3%
Summary
Concrete is the world's second most disbursed component and is a widely utilized building material (Meyer 2009). The waste coconut shell can be crushed to the desired extent and reused as coarse aggregate to manufacture light weight concrete. This form of concrete has the additional profit of reducing the cost of building material. Because of its low cost, thermal properties, adequate tensile strength, excellent durability, scratch resistance, and availability the sisal fiber is the most often used natural fiber in the construction industry. A try has been attempted to study the mechanical behavior of light weight concrete when we use coarse aggregate as a waste coconut shell inside concrete.
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