Twelve beams, six with coconut shell concrete and six with normal control concrete, were fabricated and tested. Pdf 32 reinforced concrete beams with coconut shell as coarse aggregates pdf download. Coconut shell can be grouped under lightweight aggregate. This paper presents the results of a study conducted to investigate the utilization of coconut shell aggregate as replacement coarse aggregate material in the concrete pavement block.
Based on the results, the following conclusions may be drawn as the overall flexural behavior of reinforced concrete with coconut shells as coarse aggregates. Dec 24, 2016 international research journal of advanced engineering and science issn. Coconut shell as partial replacement for coarse aggregate. A comparative study of concrete properties using cs and pks as coarse aggregates has been carried out. Figure 4 shows the fresh concrete cube, beam and cylindrical specimens. Study on strength properties of coconut shell concrete free download as powerpoint presentation. Behavior of reinforced concrete beams with recycled concrete. The grade for normal weight concrete was 20nmm using conventional. The utilization of concrete is increasing at a higher rate due to development in infrastructure and construction activities all around the world. The properties of concrete with coconut shells cs as an aggregate replacement were studied. In all cases, the csc exhibited a higher compressive strength than pksc in the two mix proportion tested.
Introduction concrete is worlds most widely used construction material. Experimental, behaviour, reinforced concrete beam, coconut shell, coarse aggregate 1. Specimens were cast and tested for durability characteristics such as water. Coconut shell used in the construction aims at analyzing flexural and compressive strength characteristics of concrete produced using crushed, granular coconut as substitutes for conventional. Sep 15, 2017 an experimental investigation was carried out to study the durability properties of coconut shell cs aggregate concrete. Study on strength characteristics of concrete with partial. Coarse aggregate was then replaced with cs in 10 m2, 15 m3, 20 m4 percentages to study effect of cs replacement. Reinforced concrete beams with coconut shell as coarse aggregates pdf download abstract. Eight beams, four with coconut shell concrete and four with normal control concrete were fabricated and tested. Flexural behaviour of rc beam with partial replacement of. Durability properties of coconut shell aggregate concrete.
Concrete technology concrete is a construction material composed of cement, fine aggregates sand and coarse aggregates mixed with water which hardens with time. Coconut shell is the strongest part covered in coconut. Generally the compressive strength of the concrete decreased as the percentage shell substitution increased. Conventional coarse aggregate namely gravel and fine aggregate is sand in concrete will be used as control. Performance of coconut shell as coarse aggregate in concrete. Coconut shell exhibits more resistance against crushing, impact and abrasion, compared to crushed granite aggregate. This experimental investigation was aimed to quantify the effects of replacing partially the conventional coarse aggregate by coconut shell to produce concrete. Nowadays, many of the researchers are researching the material which can reduce the cost of construction as well as increase the cost. It was studied about mechanical and bond properties of csac 11, long term study on compressive and bond strength of csac 12, reinforced lightweight csac beam behaviour under. Concrete pavement blocks using coconut shell as coarse. Performance of waste coconut shell as partial replacement. Application of coconut shell as coarse aggregate coconut is grown in more than 86 countries.
The cement content was replaced with class f fly ash at 10%. Experiments on partial replacement of coconut shell as coarse. Coconut shells also have been used since long ago to. Its utilization is a sustainable approach to consume the nonbiodegradable coconut shell waste. The main purposes of using coarse aggregate in concrete is for its durability and strength.
The flexural parameters investigated are crack formation and pattern, failure mode. Coconut shell as partial replacement of coarse aggregate. Coconut shell exhibits more resistance against crushing and impact compared to coarse aggregate. Some of the researchers have used coconut shells as a partial replacement of coarse aggregates. Concrete is good incompression and also it is very strong in carrying flexural force. Coconut shell as partial replacement of coarse aggregate in concrete free download as powerpoint presentation. 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. Behavior of reinforced concrete beams with coconut shell as coarse aggregates.
The general behaviour of coconut shell aggregate concrete pipe is comparable to that of conventional concrete pipe. The good indicators of coconut shell quality as aggregate of concrete roof tiles are particles, shape and texture, resistance to crushing, absorption and surface moisture, and lightweight. Rajeevan department of civil engineering government college of engineering kannur shamjith k m undergraduate student abstract natural resources such as river sand and coarse aggregate are depleting at an alarming level in developing countries like india. This study was conducted to investigate the properties of concrete using coconut shells as replacement for crushed granite and to assess the potential use of coconut shell concrete as a structural material as well as contribute to knowledge on the use of waste materials in construction in ghana. The 28day airdry densities of coconut shell aggregate concrete are less than 2000 kgm3 and these are 184 within the range of structural lightweight concrete. Behaviour of reinforced concrete beams with coconut shell as coarse aggregates 2 free download as word doc. A comparative study ofconcrete properties using coconut shell. Mechanical and bond properties of coconut shell concrete. Index terms coarse aggregate, concrete, coconut shell, compressive strength, light weight concrete. Coconut shell as a substitute for coarse aggregate in concrete jerin m. Coconut shell may offer itself as a coarse aggregate as well as a potential.
The strength increases with addition of steel fiber to the concrete with coconut shell. Experiments on replacement of coconut shell as coarse. Behavior of reinforced concrete beams with coconut shell as coarse aggregates written by amit singhal, lokesh yadav, sheela malik published on 20180424 download full article with reference data and citations. A comparative study of concrete properties using coconut shell and palm kernel shell as coarse aggregates. 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.
Strength properties of concrete containing coconut shell. Download full civil engineering seminars in doc, pdf or ppt format. Cost of coconut shell concrete 15 % replacement decreased by 6. Cubes, cylinders, and beams were casted and their compressive strength, split tensile strength, flexural strength, workability and density were evaluated at 7, 14 and 28 days and compared with the conventional mix. Concrete using coconut shell aggregates resulted in acceptable strength required for structural concrete. Coconut shell concrete can be used in rural areas and places where coconut is abundant and may also be used where the conventional aggregates are costly. Portland cement is the commonly used type of cement for production of concrete. Mix proportions in order to investigate properties of cs concretes, six mixes were employed. Coconut shell as coarse aggregate and steel fibres in addition to its concrete volume. Dec 07, 20 behaviour of reinforced concrete beams with coconut shell as coarse aggregates light weight aggregate eswari by kasi slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Coconut shell as partial replacement of coarse aggregate in. 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. The shear behavior of reinforced concrete beam made with coconut shell is analyzed and compared with the normal control concrete. Shear behavior of reinforced concrete beams casted with. Paper open access related content properties of concrete. The possibility exists for the partial replacement of coarse aggregate with coconut shell to produce lightweight concrete. The prices of building materials are rising day by day. This study will therefore focus on reinforced concrete beams with partial replacement of coarse aggregate by coconut shell for m20 and m30 grade concrete are carried out. Stronger the coarse aggregate greater will be the crushing strength of concrete. Behavior of reinforced concrete beams with coconut shell.
Experiments on partial replacement of coconut shell as. Control concretes were made with normal aggregate and cs concrete with a 1020% coarse aggregate replacement with cs. Coconut shell used in the construction aims at analyzing flexural and compressive strength characteristics of concrete produced using crushed, granular coconut as substitutes for conventional coarse aggregate. A comparative study of concrete properties using coconut. By introducing coconut shell a light weight concrete can be achieved. A total of fortyfive 45 non reinforced beams 150x150x750mm and ten 10 reinforced beams 150x250x2150mm were used to investigate the flexural behavior of the specimens. The high cost of conventional building materials is a major factor affecting housing delivery in world. Strength properties of concrete containing coconut shell as. Study on strength properties of coconut shell concrete. In this study, four css were used as coarse aggregates replacement in asphalt concrete with 0%, 10%, 20%, 30%, and 40% weight volumes. Study on reinforced lightweight coconut shell concrete. A comparative and experimental study on the mechanical properties of various steel and glass fiber reinforced high strength concrete. Pdf study on reinforced lightweight coconut shell concrete beam. Performance of coconut shell as coarse aggregate in.
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. Concrete technology deals with study of properties of concrete and its practical applications. Coarse aggregate, coconut shell, compressive strength, flexural strength, conventional concrete. Properties of concrete partially replaced with coconut shell as. Gunasekaran studied the properties of concrete using coconut shell as coarse aggregate. Beams are casted, tested and their physical and mechanical. International research journal of advanced engineering and science issn. Cost and strength analysis on partial replacement of coconut. Application of coconut shell as coarse aggregate in concrete.
The influence of coconut shell as coarse aggregates in. 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. Ata department of building, obafemi awolowo university, ileife, osun state, nigeria received 5 july 2004. Concrete definition, components, grades, manufacture. Structural lightweight concrete production by using oil palm. Properties of concrete with coconut shells as aggregate replacement 22 2. The present study focuses on use of waste coconut shell cs as partial replacement of conventional coarse aggregate ca for concrete production. By using coconut shell as aggregate in concrete a proper method for reducing natural wastages. Introduction concrete is a composite material which composed of aggregates, cement and water. The cement content was replaced with class f fly ash at 10% by weight.
Study for the relevance of coconut shell aggregate concrete non. Oct 26, 2017 during my college time one of my senior proposed this idea as a final year projec. Study for the relevance of coconut shell aggregate. Can we use coconut shell as a coarse aggregate in concrete. As the percentage of coconut shell replacement with coarse aggregate increases the strength properties decreases. Coarse aggregate and steel fibres in addition to its concrete. Studies by 8also indicated some of the advantages of using coconut shell ascoarse aggregate replacement in concrete include high strength. The findings indicated that water absorption of the coconut shell aggregate was high about 24 % but the crushing value and impact value was comparable to that of other lightweight aggregates. This has necessitated research into alternative materials of construction. Download behavior of reinforced concrete beams with coconut shell as coarse aggregates civil engineering final year project. Index terms coarse aggregate, concrete, coconut shell, compressive strength, light weight concrete, sustainable development.
Waste coconut shell has potential of being used as coarse aggregate in concrete 17. Behavior of reinforced concrete beams with coconut shell as coarse aggregates written by amit singhal, lokesh yadav, sheela malik published on 20180424 download full. Siti aminah bt tukiman and sabarudin bin mohd 2009 replaced the coarse aggregate by coconut shell and grained palm kernel in their study. Coconut shell was utilized as coarse aggregate as partial replacement of conventional coarse aggregates. Coconut shell aggregate concrete satisfies the requirements of astm c 330. Lightweight concrete has been produced using crushed coconut shell as coarse aggregate.
Experimental assessment on coconut shells as aggregate in. Oil palm shell ops is a type of farming solid waste in the tropical region. The shear behavior of reinforced concrete beam made with coconut shell is analyzed and compared with the. Percentage of replacement by coconut shell were 0%, 25%, 50%, 75% and 100% respectively.
In this paper the coconut shell waste is considered as coarse aggregate after the same has been crushed for preparing light weight concrete. Comparative study on coconut shell aggregate with conventional concrete vishwas p. 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. Coconut shells are applicable as partial substitute as coarse aggregates for concrete roof tiles. The concrete obtained using coconut shell aggregates satisfies the minimum requirements of concrete. Pdf fibre reinforced concrete containing waste coconut. Mar 03, 2015 this paper investigates the flexural and shear behavior of reinforced concrete beams that use recycled concrete aggregates rca as replacement for coarse natural aggregates e. Study on coconut shells in concrete girish agrawal1 jagat gupta2 1resident engineer 1,2department of applied mechanics 1theme engineering services pvt. Based on the relative analysis of concrete properties using coconut shell and palm kernel shell as coarse aggregates, olanipekun et al. Ltd 2laxmi narain college of technology abstractconcrete is versatile material and its production is increasing day by day. Abstractthis paper investigates the flexural and shear behavior of reinforced concrete beams that use recycled concrete aggregates rca as replacement for coarse natural aggregates e.
Study on behaviour of coconut shell aggregate concrete with. Coconut shell as a substitute for coarse aggregate in concrete. Shear behavior of reinforced concrete beams casted with recycled coarse aggregate salah a aly 1, mohammed a ibrahim 2 and mostafa m khttab 3 1department of reinforced concrete structures, housing and building national research center hbnrc, cairo, egypt. Coconut shell has been used as coarse aggregate in the production of concrete. Pdf physical and mechanical properties of concrete with partial. A reinforced concrete section, where th e concrete resists compression and the steel resists the tension. This paper reports the results of an experimental investigation into the structural behaviour of reinforced concrete beams incorporating a novel epsbased lightweight aggregate lwa called stabilised polystyrene sps aggregate.
This paper presents the results of the investigation into the strength propertiesof concrete containing coconut shells as coarse aggregate replacement. The use of waste materials is one of the options for sustainable construction. Coconut shells are an agricultural waste and present disposal problems for the local environment. Absorption properties of both coconut shell aggregate concrete 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. The flexural behavior of reinforced concrete beam made with coconut shell is analyzed and compared with the normal control concrete. Two mixtures were also made with cs and fly ash to investigate the effect of fly ash on cs replaced with concrete. Effect of mineral admixtures such as fly ash and ground granulated blast furnace slag ggbfs as partial replacement of cement on durability properties of cs aggregate concrete was also verified. A comparative study ofconcrete properties using coconut shell and palm kernel shell as coarse aggregates e. Experimental behaviour of reinforced concrete beams with. Conventional building materials are widely used in a developing country like malaysia. Coconut shells are economic since it is an agricultural waste.
Reinforced concrete beams with coconut shell as coarse. Concrete made from coconut shell waste as coarse aggregate will be studied for compressive strength, tensile strength and flexural strength. Behaviour of reinforced concrete beams with coconut shell as coarse aggregates light weight aggregate eswari by. Using coconut shells in reinforced concrete beams to study its behaviour. By complete replacement of coarse aggregate by coconut shell the densities of concrete gets reduced.
The presence of sugar content in the coconut shell, does not affect the setting and strength of concrete and no pretreatment is required. To investigate the feasibility of the combination of coconut shell as coarse aggregate in concrete by determining its compressive strength and durability. Behaviour of reinforced concrete beams with coconut shell as. A study on the utilization of coconut shell as coarse. Significant quantities of coconut shell cs, a byproduct of agriculture, can be used as an artificial source of coarse aggregates. A study on the utilization of coconut shell as coarse aggregate in concrete dr. Such versatility of concrete is due to the fact the common ingredients, namely cement, sand, coarse aggregate and water. Beams are casted, tested and their physical and mechanical properties are. Reinforced concrete beams with coconut shell as coarse aggregates pdf download this has necessitated research into alternative materials of construction. During this test, deflection at each 5000 n load was recorded. Behavior of reinforced concrete beams with coconut shell as.
Aug 29, 2017 reinforced concrete with coconut shell as coarse aggregates 1. Pdf lightweight concrete using coconut shells as aggregate. A study on compressive strength of concrete by partial. Not much importance is given to the use of coconut fibers coir in concrete. Aggregates provide volume at low cost, comprising 66 percent to 78 percent of the concrete. Properties of concrete with coconut shells as aggregate. Mechanical and bond properties of lightweight concrete. Two different mixes were developed, one with coconut shell only as coarse aggregates, and the other with both conventional aggregates and coconut shell as coarse aggregates. Can you use a coconut shell as a coarse aggregate in concrete. Compressive strength of concrete by using coconut shell.
Strength properties of coconut shell as coarse aggregate in. Ductility behaviour of bamboo reinforced coconut shell. In a building construction, concrete is used for the. The main ingredient of the concrete is coarse aggregate. Behaviour of reinforced concrete beams with coconut shell as coarse aggregates light weight aggregate eswari by kasi slideshare uses cookies to improve functionality and performance, and to provide you with relevant.
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