Fig 1. Crushed coconut shell aggregate. PREPARATION OF SPECIMENS Concrete mix design: M 20 grade of concrete was designed by IS method. The natural coarse aggregate were replaced as 0%, 10%, 15%, 20%. The test results were analyzed and compared with conventional concrete.
Get PricePalm kernel shells (PKS) or oil palm shells (OPS) are organic waste materials obtained from crude palm oil producing factories in Asia and Africa. In recent years, many research works on the use of palm kernel shells (PKS) as lightweight aggregate (LWA) to produce .
Get PriceIn this project coconut shell is used as coarse aggregate. Coconut shell has a surface texture of rough on convex side and smooth on concave side. The thickness of coconut shell is about to 3mm. Coconut shell is crushed manually to a required shape. The crushed coconut shell is flaky in nature and its edges are sharp and spiky.
Get Priceaggregate is sand in concrete will be used as control. While natural material is coconut shell as course aggregate will be investigate to replace the aggregate in concrete. In this studies, three different concrete mixes with different the combination of natural material content namely 0%, 10%, 20%, 30%.Three sample specimen will be prepared for each concrete mixes.
Get PriceCoconut shell aggregate abrasion value The coconut shell abrasion value ranges between to percent as shown in Table of chapter 3. While the average abrasion value is % this is far less than 30%. Hence the coconut shell aggregate is a suitable material for construction as it satisfied the abrasion provision in the code. The implication of this result is that coconut ...
Get PriceBased on the compression and splitting tensile strength of concrete, it can be established that the concrete containing 10% and 25% crushed coconut shell aggregates with the replacement of stone chips as coarse aggregates fulfills the requirements of the lightweight structural grade concrete.
Get Pricecoconut shell concrete added with various percentage of quarry dust and coconut shell aggregate are shown in the Table 1 respectively . Concrete Slump (mm) Density (kg/m 3) Conventional concrete with sand 10 2385 Conventional concrete with quarry dust 05 2600 Coconut shell aggregate concrete (CSAC) with sand 08 1900
Get PriceThe basic properties of coconut shell ash such as physical, chemical, mechanical properties, and the compatibility of coconut shell ash with cement were studied. Based on the standard procedures and methods followed for the production of conventional concrete, the coconut shell aggregate concrete were produced. The
Get Pricewithstand the load. 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. Coconut is grown in more than 93 countries.
Get PriceStudy on Strength Properties of Coconut Shell Concrete Download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. coconut shells
Get PriceThreeedge bearing test results show that, both coconut shell aggregate concrete and conventional concrete pipes abide more load than load specified as per IS 458: 2003. The application of hydro static pressure not resulted in the formation of beads of water on the pipe
Get PriceCoconut shell is the strongest part covered in coconut. Coconut shells are an agricultural waste and present disposal problems for the local environment. 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 manufacturing.
Get PriceIn this paper, the utilization of coconut shell as a replacement for coarse aggregate has been discussed based on the results obtained from comprehensive experimental results. The construction industry totally relies on cement, sand and aggregates for the production of concrete. Properties of concrete with coconut shells (CS) as
Get Pricecoconut shell concrete is much higher than the bond strength estimated by BS 8110 and IS 456:2000. A lot of research work has been carried out on the optimum replacement of coconut shell aggregate and has proved to be an appropriate replacement for coarse aggregate achieving the requirement for structural light weight concrete. ...
Get Price5) Coconut shell: crushed coconut shell of size mm sieved is taken. B. Comparison between CS Aggregate and Conventional Granite Aggregate: As Coconut shells are organic, the properties of CS is differ from the conventional granite aggregates and these were illustrated in Table
Get PriceFor coconut shell aggregate to be used efficiently for construction purposes, the mechanical properties are essential. Therefore, this study examined the effect of coconut shell as fine and coarse aggregate replacement in concrete with respect to the mechanical properties.
Get PriceOct 01, 2011· The properties of concrete using coconut shell as coarse aggregate were investigated in an experimental study. Compressive, flexural, splitting tensile strengths, impact resistance and bond strength were measured and compared with the theoretical values as recommended by the standards.
Get PriceF. Use of Coconut Shell as Coarse Aggregate In Concrete. Using 1:2:4 proportions it is found that the density and strength characteristics of concrete produced by volume replacement of 20%, 30%, 40%, 50% and 100% replacement of crushed granite with coconut shells were investigated.
Get PriceThe study first launched basic property test aiming at aggregate of coconut shell, and then mixed two coconut shells with different diameter (1/2", 3/8" with three watercement ratios (,, ) depending on the properties to produce lightweight aggregate concrete brick. Following, the tensile
Get PriceHowever, concrete obtained from coconut shells exhibited a higher compressive strength than palm kernel shell concrete in the two mix proportions. The results also indicated cost reduction of 30% and 42% for concrete produced from coconut shells and palm kernel shells, respectively.
Get PriceConcrete samples were produced with different mix ratios, to determine the best and economic proportions that will give acceptable compressive strengths. Concrete specimen were produced with coconut shell as coarse aggregate, ordinary river sand as fine aggregate .
Get Priceconventional aggregate. Density of coconut shell was in the range of 550650 kg/m3. Biological decay was not evident as the coconut shell aggregate concrete cubes gained strength even after 365 days. The continual increase in strength indicates that the coconut shell aggregate does not
Get PriceThe replacement of coarse aggregate by coconut shell by 0%, 10%, 20% and 30%. The tests were carried out and the results obtained suggested that the replacement more than 20% leads to lightweight aggregate concrete.
Get PriceWhereas comparing to traditional concrete, compressive strength of 10% (5% + 5%) of coconut shells (5%) and sea shells (5%) increased. It can be observed that very few experimental studies have been reported in the literature.
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