In all cases, the csc exhibited a higher compressive strength than pksc in the two mix proportion tested. Pdf prognostication of concrete characteristics with. Coarse aggregate made from coconut shells were used in proportions of 5 %, 10 %, 15%, 20%, 25%, 30% and 35% to replace coarse aggregate in conventional concrete. Pdf study on properties of coconut shell as an aggregate. Performance of waste coconut shell as partial replacement of natural coarse aggregate in concrete. Keywords coarse aggregates, coconut shell, compressive. In this experimental investigation, the coconut shell used as a light weight aggregate in concrete, the properties of coconut shell concrete examined, control concrete with normal aggregate and cs concrete with 10 30% coarse aggregate replacement with cs were made, and constant water to cementitious ratio of 0. The prices of building materials are rising day by day. Production of mix normal concrete of grade m 20 in the laboratory is carried out by is method of concrete mix design is 102621982. Oil palm shell ops is a waste from the agricultural sector and is available in large quantities in the tropical \ud regions. Index terms coarse aggregate, concrete, coconut shell, compressive strength. Waste coconut shell has potential of being used as coarse aggregate in concrete 17. Performance of coconut shell as coarse aggregate in.
Experiments on partial replacement of coconut shell as. A comparative study ofconcrete properties using coconut shell. In present study, compressive strength of concrete of m 20 grades has studied by replacing natural coarse aggregates at 0 %, 5 %, 10 %, 20 % and 30 %, by weight with coconut shell. To investigate the feasibility of the combination of coconut shell as coarse aggregate in concrete by determining its compressive strength and durability. Conventional coarse aggregate namely gravel and fine aggregate is sand in concrete will be used as control. The concrete obtained using coconut shell aggregates satisfies the minimum requirements of concrete. An optimum percentage replacement of coarse aggregate with coconut shell aggregate is determined from the study. Properties of concrete with coconut shells as aggregate replacement 22 2. The coconut shells used in the present study are collected from different s. Application of coconut shell as coarse aggregate in. The presence of sugar in the coconut shells as long as it is not in a free sugar form, will not affect the setting and strength of concrete. Furthermore, in this study, the effect of fly ash as cement replacement and aggregate replacement on properties of the coconut shells replaced concrete was also investigated.
Reduction in weight found to be 15% and 25% for replacement by coconut shell aggregate 25% and 50% respectively. The properties of concrete using coconut shell as coarse aggregate were investigated in an experimental study. The high cost of conventional building materials is a major factor affecting housing delivery in world. Engineering properties such as specific gravity, grain size distribution, abrasion value, impact value and crushing value were determined in the laboratory. Application of coconut shell as coarse aggregate in concrete ijera. Pdf coconut shell as a substitute for coarse aggregate in concrete. A comparative study ofconcrete properties using coconut. Concrete mix of 10%, 20%, 30% and 40% replacement of coconut shell as coarse aggregate and constant replacement of 30% of fly ash were made. Coconut shells as a substitute for coarse aggregates in concrete is gaining importance especially in this region in terms of possible reduction of waste products in the environment and finding a. Pdf the prices of building materials are rising day by day. Reinforced concrete beams with coconut shell as coarse aggregates pdf download this has necessitated research into alternative materials of construction. Nowadays, many of the researchers are researching the material which can reduce the cost of construction as well as increase the cost. Laboratory investigation on coconut shell in concrete. In this study, m 20 grade of concrete was produced by replacing granite by coconut shell.
A comparative study of concrete properties using coconut. The budding of waste coconut shell are used as a alternative for coarse aggregate in concrete. Experiments on replacement of coconut shell as coarse. Mix proportions in order to investigate properties of cs concretes, six mixes were employed. Therefore, this study examined the effect of coconut shell. Experimental analysis of the use of coconut shell as coarse. This paper presents the result on the workability and compressive strength of concrete containing various percentage of coconut shell content as partial aggregate. This has necessitated research into alternative materials of construction. Coconut shell was utilized as coarse aggregate as partial replacement of conventional coarse aggregates.
It also paved the way to the recognition of using coconut shells and fiber as substitute for aggregates in developing concrete hollow blocks. Paper open access mechanical properties of concrete with. Testing of properties of cement, fine aggregate, coarse aggregate, waste glass powder and coconut shells. Strength properties of coconut shell as coarse aggregate in. International research journal of engineering and technology irjet, volume. Experiments on partial replacement of coconut shell as coarse. The coconut shell is a material which can be a substitute for coarse aggregate. The replaced coarse aggregate with 25%, 50%, 75% and 100% of coarse aggregate. Control concrete with normal aggregate and binary concrete mixes containing 10, 204, 0, 60, 80 and 100 % coconut by weight of coarse aggregate were produced and cured for 7. Utilization of coconut shell will not only be cost effective and eco friendly, but also resolve the issues related to shortage of conventional material and problem of disposal of waste material. Paper open access related content properties of concrete. Reinforced concrete beams with coconut shell as coarse aggregates pdf download abstract.
Anusha published on 20170427 download full article with reference data and citations. Properties of concrete with coconut shells as aggregate. The project paper aims at analyzing flexural and compressive strength characteristics of concrete produced using crushed, granular coconut as substitutes for conventional coarse aggregate with. Pdf lightweight concrete using coconut shells as aggregate. Coconut shell concrete is produced by adding coconut shells in different percentage. Partial replacement of coarse aggregate with demolished. It consists of a rationally chosen mixture of binding material such as lime or cement, well graded fine and coarse aggregates, water and. To investigate the effect of the combination of coconut shell as coarse aggregate in concrete content and length to the workability as lightweight aggregate in concrete.
A comparative study ofconcrete properties using coconut shell and palm kernel shell as coarse aggregates e. Coarse aggregate was replaced by crushed coconut shells in three different percentages namely 25%, 50% and 100%. The results also indicated cost reduction of 30% and 42% for. Pdf examining concrete properties using coconut fiber ash. Sustainable management of waste coconut shells as aggregates. Coconut shell as partial replacement for coarse aggregate. Mechanical and bond properties of coconut shell concrete. Pdf the high demand for concrete in the construction using normal weight aggregates such as gravel and granite drastically reduces the. Oct 01, 2011 the behavior of reinforced concrete beams with coconut shell as coarse aggregates civil project aims at analyzing flexural and compressive strength characteristics of concrete produced using crushed, granular coconut as substitutes for conventional coarse aggregate with partial replacement using m30 grade concrete.
This paper presents the results of the investigation into the strength propertiesof concrete containing coconut shells as coarse aggregate replacement. Strength properties of concrete containing coconut shell. Performance of waste coconut shell as partial replacement. Two mixes with cs and fly ash were also made to investigate fly ash effect on cs replaced concretes. Concrete is a composition of cement, coarse aggregate, fine aggregate and water which makes it a composite material. The grade of coconut shell aggregate concrete, a lightweight concrete lwc produced using coconut shell aggregate got from an agricultural waste as lightweight aggregate, referred to hereafter as csc was 20nmm 2 at 28 days. Oct 09, 2014 this indeed is an interesting question. The coarse aggregates are the main ingredients of concrete. Performance of coconut shell as coarse aggregate in concrete. Waste coconut shell as a partial replacement of coarse. The main ingredient of the concrete is coarse aggregate. Coconut shell concrete has better workability because of the smooth surface on one side of the shell.
To study and analyse the engineering properties of coconut shell. Study on properties of coconut shell as an aggregate for concrete. The price of building materials is rising day by day. Experimental study on partial replacement of cement with. Concrete a composite manmade material is the most widely used building material in the construction industry. Performance of waste coconut shell as partial replacement of. Concrete made from coconut shell waste as coarse aggregate will be studied for compressive strength, tensile strength and flexural strength. Experimental investigation of concrete using coconut shell as. Strength properties of concrete containing coconut shell as. Experimental investigation of concrete using coconut shell as a coarse aggregate replacement written by b. Coconut shell replaced conventional aggregate by 10%, 20%, 30% and 40% respectively by volume and the effect on compressive strength and density of concrete was observed. Percentage of replacement by coconut shell were 0%, 25%, 50%, 75% and 100% respectively. The possibility exists for the partial replacement of coarse aggregate with coconut shell to produce lightweight concrete. Fly ash which is a waste material is used as a supplementary cementitious material in the production of portland cement and when added to concrete, it gives good workability, greater strength, decreases permeability and increases durability.
The grade for normal weight concrete was 20nmm 2 using conventional stone aggregates. Experimental study on partial replacement of cement with coconut shell ash in concrete vignesh kumar nagarajan1, s. Ata department of building, obafemi awolowo university, ileife, osun state, nigeria received 5 july 2004. Jain, july 2015, performance of coconut shell as coarse aggregate in concrete. The use of coconut shell as coarse aggregate in concrete has never been a usual practice among the average citizens, particularly in areas where light weight concrete is required for nonload bearing walls, nonstructural floors, and strip footings. Pdf coconut shell as a substitute for coarse aggregate in. Pdf use of coconut shell as an aggregate in concrete. A study on the utilization of coconut shell as coarse. The present study focuses on use of waste coconut shell cs as partial replacement of conventional coarse aggregate ca for concrete production. Behavior of reinforced concrete beams with coconut shell. The main objective is to encourage the use of these \ud seemingly waste products as construction materials in lowcost housing.
Production of concrete mixes production of mix normal concrete of grade m20 in the laboratory is carried out by is method of concrete. Coconut shell as partial replacement of coarse aggregate in. According to gambhir, m35 grade of concrete was casted and. Experimental investigation of concrete using coconut shell. Effect of banana and coconut fiber on concrete strength. It is, however, concluded from this study that the coconut shells are more suitable as low strengthgiving lightweight aggregate when used to replace common coarse aggregate in concrete production. Abstractproperties of concrete with coconut shells cs as aggregate replacement were studied. Coconut shell as a substitute for coarse aggregate in concrete. Behavior of reinforced concrete beams with coconut shell as. This paper presents the result on the workability and compressive strength of concrete containing various percentage of coconut shell content as partial aggregate replacement. Now, most of the researchers are paying much attention on the suitable materials which can. Compressive, flexural, splitting tensile strengths, impact resistance and bond strength were measured and compared with the theoretical values as recommended by the standards.
Application of coconut shell as coarse aggregate in concrete. Coconut shell as partial replacement of coarse aggregate in concrete free download as powerpoint presentation. Show full abstract characteristics of concrete created using crushed coconut shells as replacements for conventional coarse aggregate in ratio of 0%, 10%, 20% and 30% in mix ratio of 1. Strength properties of coconut shell as coarse aggregate. Please read the conclusion from the paper given below. The project paper aims at analysing \ud compressive strength characteristics of concrete produced using crushed, granular coconut as substitutes for \ud conventional coarse aggregate with partial replacement. The composition of world cement consumption in the year 2010 is 3,3 million metric tons. Control concrete with normal aggregate and cs concrete with 10 20% coarse aggregate replacement with cs were made.
Results revealed that with 40% replacement of conventional coarse aggregate by coconut shell, 7 days compressive strength of concrete decreased by 62. Pdf coconut shell as a substitute for coarse aggregate. To carryout a detail analysis on coconut shells as a coarse aggregate in concrete. Three sample cubes are prepared for m20 grade concrete mix for each case another aim of this paper is to spread. Coarse aggregate was then replaced with cs in 10 m2, 15 m3, 20 m4 percentages to study effect of cs replacement.
Coconut shell aggregate concrete satisfies the requirements of astm c 330. After the coconut is tattered out, the shell is regularly discharged. In this constructed environment, the rising cost of building construction materials is the issue of great concern. A comparative study of concrete properties using cs and pks as coarse aggregates has been carried out. The impact resistance of coconut shell concrete is high when compared with conventional concrete 7. Application of coconut shell as coarse aggregate coconut is grown in more than 86 countries. Nowadays, the rising cost of building materials for construction purposes is a factor of great concern. Reinforced concrete beams with coconut shell as coarse. The coconut shell concrete was designed for the characterist. Using same mix design, coconut shell concrete was prepared by replacement of conventional crushed coarse aggregate ca with waste coconut shell cs. Siti aminah bt tukiman and sabarudin bin mohd 2009 replaced the coarse aggregate by coconut shell and grained palm kernel in their study. International journal of technical research and applications volume 3, issue 3.
Furthermore, in this study, the effect of fly ash as cement replacement and aggregate replacement on properties of the cs replaced concrete was also investigated. This has necessitated research into alternative materials of construction and analyzing flexural and compressive strength characteristics of. Coconut shell as partial replacement of coarse aggregate. Pdf application of coconut shell as coarse aggregate in. The 28 days compressive strength of coconut shell concrete was found to be 14. Pdf examining concrete properties using coconut fiber. Pdf coconut shell as partial replacement of coarse. This paper presents the results of the investigation into the strength properties of concrete containing coconut shells as coarse aggregate replacement.