and also as a means of disposal of wastes. Thus use of coconut shell aggregates makes the concrete light weight and also ecofriendly. A lot of research was carried out with the replacement of coconut shell aggregate and was proved to be an appropriate replacement for the coarse aggregate achieving the lesser density thereby
Jun 26, 2014· 1. Coconut shells are applicable as partial substitute as coarse aggregates for concrete roof tiles. 2. 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. 3.
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coconut fibre aggregate are,, and respectively. It is in fact higher than the controlled foamed concrete that only achieves 9MPa. It is found that the pelletized coconut fibre aggregate indicates a good potential to enhance the compressive strength of foamed concrete. 1 .
Now there is a need to find out new material which can replace concrete in gradient. In this study coconut shells is used as aggregate in concrete, M40 concrete is casted with coconut shells aggregate and then these aggregate is tested for its compressive strength and workability.
Sep 12, 2015· Tests on Aggregate Aggregate plays an important role in pavement construction. Aggregates influence, to a great extent, the load transfer capability of pavements. Hence it is essential that they should be thoroughly tested before using for construction. Not only that aggregates should be strong and durable, they should also possess proper shape and size to [.]
Estimating quantity of cement, fine aggregate, coarse aggregate, coconut shells required for the project work. Testing of properties of cement, fine aggregate, coarse aggregate and coconut shells. Preparing the concrete cubes with coconut shells and gravel. Testing those cubes in compression testing machine.
coconut aggregates for concrete . coconut shell concrete with the replacement of 16%, % and 20% by coarse aggregate By testing the concrete cubes, at th28 day 16% replacement of coarse aggregate by coconut shell shows that the strength of the coconut shell concrete was decreased by % from control mix. Contact Supplier
Aggregate is a granular material, such as sand, gravel, crushed stone, crushed hydrauliccement concrete, or iron blastfurnace slag, used with a hydraulic cementing medium to produce either concrete or mortar. Those particles that are predominantly retained on the .
concrete. Materials that are used for making concrete were tested before casting the specimens. The properties obtained from the tests were used in mix design. The preliminary tests were conducted for the following materials. Cement Fine Aggregate(River sand) Coarse aggregate Coconut shell Steel fibre 5.
Mar 19, 2007· The study of coconut shell as a substitute for aggregates is another way of using the gifts a coconut tree provides. The shell of the coconut is mostly used as an ornament and as a source of activated carbon from its charcoal the powdered shell is also used in the industries of plastics, glues, and abrasive materials.
coconut shell is a material which can be a substitute for coarse aggregate. Coconut shell concrete has better workability because of the smooth surface on one side of the shell. The impact resistance of coconut shell concrete is high when compared with conventional concrete[7]. Moisture retaining and water absorbing capacity of coconut shell are more compared to conventional aggregate. Using
coconut shells in concrete. A control mix was designed for M 25 grade of co ncrete and then the crushed granite aggregates were replaced with coconut shells by volume in different levels such as 20%, 40 %, 60%, 80% and 100%.
coconut shell as aggregate in concrete. 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. They found that the average fresh concrete density and 28day cube compressive
properties of coconut fibre reinforced concrete (CFRC) members were well examined. A comparison between the static and dynamic moduli was conducted. The influence of 1%, 2%, 3% and 5% fibre contents by mass of cement and fibre lengths of, 5 and .