3.4 Coconut Shell Aggregate The coconut shells are obtained from a local coconut field. They are sun dried before being crushed manually. Coconuts show a wide diversity in size, weight, shape and color, depending on genetic variety and maturity of the nut at harvest. The particle sizes of the coconut shell range from 5 to 20 mm.

aggregates. D. Coconut Shell Aggregate: The coconut shells are obtained from an area coconut field. These are sun dried before being crushed manually. Coconuts show a large diversity in size, weight, form and color, looking on genetic selection and maturity of the nut at harvest. The particle sizes of the coconut shell vary from 5 to 20

Join for free. Public Full-text 1 ... There are also research that used granular coconut and palm kernel shell for the ... Examples were taken by supplanting coarse aggregate with coconut shells ...

Coconut shells can be used as coarse aggregate in concrete. It has functional resistance capability against abrasion, impact, and crushing. When used as coarse aggregate in concrete, no special treatment of coconut shell is required. Coconut husks are easily crushed into grains and transportation of this material is very economical.

Coconut shell aggregate exhibits low impact, crushing, and abrasion values of 1.3%, 1.16% and 2.23% respectively compared with normal aggregate with 19.23%, 25.60% and 27.67% respectively. Coconut shell, however, has high percentage of water absorption capacity, elongation index and flakiness index of 23.72%, 26.69% and 86.12% respectively ...

-cost housing. Crushed granular coconut and palm e-echanical properties o-i-ction of 30% and 42% for rnel shell . 4.2 Siti Aminah Bt Tukiman and Sabarudin Bin Mohd (2009) replaced the coarse aggregate by coconut shell and grained palm kernel in their study. Percentage of. replacement by coconut shell were 0%, 25%, 50%, 75% and respective-ly.

aggregate, coarse aggregate, coconut shells required for the project work. Testing of properties of cement, fine aggregate, coarse aggregate, waste glass powder and coconut shells. Production of concrete mixes Production of mix (normal concrete of grade M-20) in the laboratory is carried out by IS method of concrete

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. Beams are casted, tested and their physical and mechanical …

Coconut shell - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Application coconut shell

2. Coconut shell as coarse aggregate The concrete obtained using Coconut Shell aggregates satisfies the minimum necessities of concrete. Coconut Shell concrete has superior workability because of the smooth surface on one side of the shells. The impact resistance of Coconut Shell concrete is high when compared with conventional concrete.

aggregate, crushed granite and coconut shell both as coarse aggregate. Potable water was used for mixing and curing. Cement: Ordinary Portland cement 43 grade was used conforming to IS 8112 – 1989 and physical property was given below: S.N. Physical property Test result 1. Compressive Strength(MPa) 48.35 2. Fineness (%) 6 3.

0%, 18%, 20%, 22%, 24% with coconut shell and 0%, 5%, 8%, 10%, 12% with rice husk ash. The characteristic properties of concrete such as compressive strength, split tensile strength using the mix made by partial replacement of coarse aggregate with crushed coconut shell aggregate

produced using crushed granular coconut shells as substitutes for conventional coarse aggregate. The tested parameters include physical properties and mechanical properties of coconut shell concrete. The test results illustrated that coconut shell can be used as a replacement of coarse aggregate for the production of lightweight structural ...

The 28 days compressive strength of coconut shell concrete was found to be 14.88 for 50% replacement by coconut shell aggregate under full water curing and it can be used for less important work. 5. Reduction in weight found to be 15% and 25% for replacement by coconut shell aggregate 25% and 50% respectively.

Coarse Aggregate Coconut Shell Ash 2.1 Cement Cement is used right from ancient periods in construction ... amounts of free CaO or MgO are present in the cement, ... Sand is naturally occurring granular material composed of finely divided rock and mineral particles. The most common

Coconut shells are more suitable as low strength-giving lightweight aggregate when used to replace common coarse aggregate in concrete production. In the following paper the normal weight aggregate has been replaced by coconut shell aggregate and cubes have been casted to test their compressive strength and other physical properties.

Free download complete engineering seminar Behavior of Reinforced Concrete Beams With Coconut Shell As Coarse Aggregates Seminar Report pdf. ... granular coconut as substitutes for conventional coarse aggregate with partial replacement using M30 grade concrete. ... used to replace common coarse aggregate in concrete production.Gunasekaran ...

Fine aggregates, coarse aggregates, coconut shells are use to make a rapid sand filter. The specifications and properties of these materials are as under: A. Fine & Coarse Aggregates: Locally available sand is used as fine aggregate in the filter. The physical properties and sieve analysis of …

Coarse aggregate were used in proportions of 5, 10, 15 to replace coarse aggregate in conventional concrete. The high demand for concrete in the construction using normal weight aggregates such as gravel and granite drastically reduces the natural stone deposits and this has damaged the environment there by causing ecological imbalance.

Abstract-Coconut shell is one of the main contributors of pollution problem as a solid waste and people burn it for fire purposes which pollute air. Coconut shell used as coarse aggregate in concrete encouraged sustainable and environment friendly material in the construction field.

crushed, granular coconut and palm kernel shells as substitutes for conventional coarse aggregate in gradation of 0%, 25%, 50%, 75% and . The results of the tests showed that the compressive strength of the concrete decreased as the percentage of the shells increased in the two mix ratios. However, concrete obtained from coconut shells ...

Coarse Aggregate. (NCA) and coconut shell Coarse Aggregate. (CSA) 6.3 Natural Coarse Aggregate (NCA) Crushed hard granite chips of maximum size 20 mm were used in the concrete mixes. The bulk density of aggregate was 1460 kg/m3 and specific gravity was found to be 2.65. 6.4 Sand: Fine aggregate (sand) used for this entire investigation

Fig. 1 Concrete beam casted using coconut shell as coarse aggregates III. TEST RESULTS A. Failure mode In the control concrete beam initial crack is 35 kN. The coconut shell 25% beam initial crack is 25 kN. The coconut shell 50% beam initial crack is 30 kN. The coconut shell 75% beam initial crack is 35 kN. The failure beams as

Join for free. Public Full-text 1 ... granular coconut and palm kernel shells as substitutes for conventional coarse aggregate in gradation of 0%, 25%, 50%, 75% …

source of structural aggregate material. It is becoming more difficult to find natural resources. Therefore the coconut shell as partial replacement for coarse aggregate in concrete is studied. The density, slump and compressive strength of concrete are tested. The replacement of coarse aggregate by coconut shell by 0%, 10%, 20% and 30%.

Coconut shell aggregate: Coconut shell is the one of the natural waste. Coconut shells are mostly used for making ornament, fancy items, etc. The powdered shell is also used in the industries of plastics, glues, and abrasive materials and it is widely used for the manufacture of insect repellent in the form of mosquito coils and in agarbathis.

Fig. 1 Concrete beam casted using coconut shell as coarse aggregates. In the control concrete beam initial crack is 35 kN. The coconut shell 25% beam initial crack is 25 kN. The coconut shell 50% beam initial crack is 30 kN. The coconut shell 75% beam initial crack is 35 kN. The failure beams as shown in the Fig.ure.

replacement of coconut shell and results - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. replacement of coconut shell ppt

Key Words: coarse aggregate, coconut shell, Ceramic waste, 1.INTRODUCTION ... Inert granular materials such as sand, ... sugar content in the coconut shell, as long as it is not in a free sugar form, does not affect the setting and strength of concrete.

made with full replacement of conventional concrete coarse aggregate with crushed coconut shell aggregate of size less than 12.5 mm. Coconut shell treated with 20% poly vinyl alcohol improved the resistance against aggressive environment. But concrete made with treated shell aggregate gave 5% improvement in compressive strength.

coconut shell as coarse aggregate in concrete by determining its compressive strength and durability. C. 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 and also the mechanical properties mentioned above. D.

tap source which is free from impurities and almost fit for drinking. 2.1 Mix Proportion A grade 20 concrete was design using a mix proportion of 1:2:4 by weight of ordinary Portland cement, river sand, coarse aggregate/coconut shell was obtained and used to cast the The concrete. comprehensive mix proportion of the constituent

Reinforced Concrete Beams With Coconut Shell As Coarse Aggregates pdf download This has necessitated research into alternative materials of construction. 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 ...

that agriculture waste coconut shell can also be used as coarse aggregate for concrete. 2. COCONUT SHELL Coconut is grown in more than 93 countries. India is the third largest, having cultivation on an area of about 1.78 million hectares for coconut production. Annual production is about 7562 million nuts with an average of

Download Free PDF. Experimental Analysis of the Use of Coconut Shell as Coarse Aggregate. Syed Aamer. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER. Experimental Analysis of the Use of Coconut Shell as Coarse Aggregate. Download.