International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 10 Issue: 05 | May 2023
p-ISSN: 2395-0072
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Experimental investigate on the Influence of Sisal Fiber and Rice Husk Ash on Mechanical Properties of Self Compacting Concrete Jayadeep K. P.1, Anima P.2 1First Author Affiliation & Address
2Second Author Affiliation & Address Font size 11 3Example: Professor, Dept. of xyz Engineering, xyz college, state, country ---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - Concrete is an essential construction medium that is widely used throughout the world. Concrete is weak in tension. Several types of fibers are added to concrete in varying quantities to increase its tensile strength. The use of different synthetic fibers is common now a days. In this case we use a natural fiber. This study is to identify the effect of Sisal Fiber on concrete strength properties. Sisal Fiber is a natural fiber derived from the leaves of Sisal plant (Agava sisalana), which can be found in hot regions. Along with sisal fiber the cement is partially replaced with Rice Husk Ash (RHA) which is a waste material. The silica content available in them make it suitable supplementary cementitious material. This work aims to investigation of the use of sisal fibres and rice husk ash as partial replacement in SCC. The mix ratio is M30 and Sisal Fiber was added to concrete at 0,0.5%,1%,1.5%,2.0% by the volume of concrete and replacement of Rice Husk Ash by 5%. The specimens were subjected to tests and aimed to check the compression and tensile strength. After 7 days and 28 days of curing, the specimens' compressive and split tensile strengths were evaluated. Key Words: Self- compacting Concrete, sisal fibres, Superplasticizer, Mix Design, RHA, Compressive strength, Split tensile strength
1.INTRODUCTION Self-compacting concrete (SCC) is a very malleable concrete that fills the formwork by itself without the need for vibration. The necessity of self-compacting concrete can be recognized by seeing the growing issue of a trained labour shortage in the building sector. Self-compacting concrete can fill the mould without the need for mechanical vibration. It can be applied in situations where compacting freshly laid concrete would be laborious, such as underwater concreting, pile foundations, and walls with congested reinforcement. SCC's strength and durability can be increased by adding more cementitious materials, such as fly ash, pulverised granulated blast furnace slag, silica fume, and rice husk ash (RHA). RHA is a highly reactive pozzolanic substance produced by carefully burning rice husks at temps below 7000C.Another focus of this project is to incorporating sisal fiber in to the optimum percentage of RHA in different percentages and to check its strength properties. By including fibers in concrete, toughness, reduced creep strain, flexural strength, and shrinkage can all be increased. Cracks due to plastic shrinkage and dry shrinkage can also be controlled. Sisal fibers in concrete is studied by various researchers like Biju C. Thomas and Y. Stalin Jose [3] studied the characteristics of using sisal fiber in concrete and it’s performance. S. Suresh Kumar et.al [5] investigated the properties of sisal fiber in concrete when it is treated with NaOH. S. Solai Mathi et.al [2] used sisal fiber in self-compacting concrete to enhance the properties of the concrete using the fiber. The use of Rice Husk Ash by certain percentage proved to be an effective material for the replacement of cement. Elias Molaei Raisi et.al [7] examined the effect of RHA in self-compacting concrete and studied it’s fresh concrete properties and mechanical properties. Deshmukh SD et.al [10] studied the properties of concrete using Rice Husk ash and steel fibers and it shows that incorporating steel fiber in concrete will increase the tensile strength but reduces it’s workability. Anandaraj S et.al [1] studied strength properties of luffa fiber in Rice Husk Ash containing concrete by the weight of M25 grade concrete. Sai ER et.al [9] demonstrated that the addition of sugar cane baggase ash (0%, 2.5%, and 5%) and RHA (0%, 2.5%, and 5%) either separately or in blended mixes increased compressive strength for a period of time exceeding 28 days. Sabarinathan M et.al [6] highlighted that to solve the problems of waste disposal, minimise global warming, and raise the strength of concrete, they investigated the effects of silica fume and sisal fibre orientation on performance of concrete. From the above studies we can see that many experiment were conducted using Rice Husk Ash and Sisal fiber but there is no study on incorporation Of Sisal fiber in concrete when the cement is replaced by RHA. The goal of this study is to thoroughly examine how RHA and Sisal fiber affects the mechanical performance and fresh qualities of SCC. For this experiment, cement was partially replaced by RHA in three dosages i.e 5%,10%,15% and the optimum is found by conducting mechanical properties. After finding the optimum percentage, keeping the optimum constant sisal fibers was added in different percentages 0.5%,1.0%.1.5%.2.0%. V-funnel flow time, L-box, and slump flow diameter and time tests were carried out to
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