A comparative study ofconcrete properties using coconut
The results also indicated cost reduction of 30% and 42% for concrete produced from coconut shells and palm kernel shells, respectively. Considering the strength/economy ratio, it was concluded that coconut shells were more suitable than palm kernel shells when used as substitute for conventional aggregates in concrete production. r 2005
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Study of Strength of Concrete by Using Coconut Shell
Coconut shell is used as light weight aggregate in concrete. Coconut shells are by-products of coconut oil production. Coconut shells are used in the production of activated carbon due to hardness and high carbon content. Various researchers have investigated the use of coconut shells and
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Experimental Behaviour Of Reinforced Concrete Beams With
1.2.1 Coconut Shell As Aggregate Coconut shell particles are used as reinforcing material for investigation. Shell particles of size between 20 mm – 600 μ are prepared in grinding machine. Coconut shell aggregates are potential candidates for the development of new composites because of their high strength and modulus properties.
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Comparative Study on Coconut Shell Aggregate with
coarse aggregate 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 mix design (IS 10262-1982). Coconut shell concrete is produced by adding coconut shells in different percentage (i.e. 25% and 50%) replacement in concrete. Test on
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(PDF) Lightweight Concrete Using Coconut Shells as Aggregate
The average fresh concrete density and 28-day cube compressive strength of the concrete using coconut shell aggregate were 1975 kg/m 3 and 19.1 N/mm 2 respectively. It is concluded that crushed
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Coconut Shell as Aggregate in Concrete Roof Tiles
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 light-weight. 3.
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Can Coconut Be Used as an Aggregate? – FOR CONCRETE
To make concrete greener and reduce the impact of rejected coconut shells on the environment, researchers have been testing the use of coconut fibers as full or partial replacement for aggregates. The ultimate goal is that concrete made of coconut husk aggregate could be used to produce low-cost housing for low-income areas around the world.
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Replacement Of Coarse Aggregate In Concrete
The coconut shell can be used as a coarse aggregate in concrete. It has functional resistance capacity against crushing, impact & abrasion. There is no special treatment required for coconut shells when used as coarse aggregate in concrete.
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The Influence Of Coconut Shell Actived Carbon ( X = 0; 0
Coconut Shell Concrete (CSC) aggregate concrete is much higher than the theoretical bond strength as determined by IS 456: 2000 and BS 8110. In general, bond strength is proportional to bond strength of normal and other aggregate concrete with flexural strength. The values of CSC aggregate
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(PDF) Use of Coconut Shell as an Aggregate in Concrete: a
Kambli Parag S. and Mathapati Sandhya R, “Application of shell concrete and arrived at the following conclusions that coconut shell as coarse aggregates in concrete: A Technical Review”. addition of coconut shell aggregate alone decreases the workability International Journal of Engineering Research and Applications, Volume of concrete.
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Mechanical Properties of Concrete with Coconut Shell and
This project aims at studying the variation of strength of coconut fibre reinforced concrete (CFRC) with different percentages of coconut fibre (0.5%, 1%,1.5% and 2% by weight of cement), coconut shell aggregate concrete by replacing coarse aggregate with different percentages of coconut shell ( 15%, 30% and 45%) compared with that of
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Exploratory Study of Coconut Shell as Coarse Aggregate in
ascertain the suitability of coconut shell as coarse aggregate in concrete and ensuring that standard method of assessment are dully followed. The experiments carried out on all the materials used for the research work according to BS 4550 and BS 812 is as follows: 1. Cement a. Standard consistency test
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Replacement Of Coarse Aggregate In Concrete | Alternative
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.
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Performance of coconut shell as coarse aggregate in concrete
M20 mix design was carried out for control mix (i.e. without coconut shell) according to Indian standards .Detailed procedure of mix design is provided in Annexure A.The concrete mix was designed for slump of 60 mm.Using same mix design, coconut shell concrete was prepared by replacement of conventional crushed coarse aggregate (CA) with waste coconut shell (CS).
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Strength Properties of Concrete Containing Coconut Shell
2.70. This indicates that coconut shell is lighter than coarse aggregate and more volume of coconut shell will be required to replace equal weight of coarse aggregate in concrete. The bulk density of coconut shell obtained is 648 which far less thanis about 1437 of coarse aggregate implying its good for lightweight concrete.
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Performance of Waste Coconut Shell as Partial Replacement
Coconut shell is an agricultural waste. The concrete with ground coconut shell was found to be durable in terms of its resistance in water, acidic, alkaline and salty. Coconut shell being a hard and not easily degrade material if crushed to size of sand can be a po-tential material to substitute sand. At present, coconut shell
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Coconut Shell As Partial Replacement of Coarse Aggregate
According to R. Nagalakshmi, M25 grade of concrete with cement replaced by fly ash and coarse aggregate by coconut shell and find its compressive, tensile strength. 5. According to Sabarudin Bin Mohd, he replaced coconut shell and palm kernel shell in place of coarse aggregate in concrete in 0,25,50,75 and 100 % replacement.
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Performance of coconut shell as coarse aggregate in concrete
M20 mix design was carried out for control mix (i.e. without coconut shell) according to Indian standards .Detailed procedure of mix design is provided in Annexure A.The concrete mix was designed for slump of 60 mm.Using same mix design, coconut shell concrete was prepared by replacement of conventional crushed coarse aggregate (CA) with waste coconut shell (CS).
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Coconut (Cocos nucifera L) Waste as Partial Coarse
coconut shell and coir fiber, as partial coarse aggregate replacement in making concrete hollow blocks. Keywords –aggregate, ASTM, coconut shell, coir fiber, concrete hollow blocks INTRODUCTION Concrete hollow block (CHB) is one of the most widely used walling material in building and infrastructure.
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Sustainable Management of Waste Coconut Shells as
coconut shells and fibers as an aggregate. Analyze the performance and the effectiveness of the coconut shells and fibers as aggregates in concrete hollow blocks in terms of physical properties like color, texture, size, and density and by mechanical properties like compressive strength, modulus
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Use of Coconut Shell Ash as Aggregates
concrete. Coconut shell aggregate resulted in acceptable strength which is required for structural concrete. Coconut shell may present itself as a potential material in the field of construction industries. The coconut shell is compatible with cement and no need to pre-treatment for using it as coarse aggregate. Because of the smooth surface on
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Characterization of lightweight cement concrete with
The utilizing of coconut shell as aggregate in concrete can produce low cost building materials in the construction industry. In addition, the use of CS in concrete is acceptable, because the structural strength of CS concrete is comparable to conventional concrete in the difference within the range of 10%.
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Advance Concrete-Aggregate replaced by Coconut Shell
aggregate and coconut shells. 3.2 Production of concrete mixes Production of mix (normal concrete of grade M-20) in the laboratory is carried out by IS method of concrete mix design (IS 10262-1982). Coconut shell concrete is produced by adding coconut shells in different percentage (i.e. 25% and 50%) replacement in concrete.
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A Study on the Utilization of Coconut Shell as Coarse
concrete when 5% coconut shell aggregate(CSA) was used to replace coarse aggregate in concrete. The cement content kg/m3. The slight increase in the compressive and tensile strengths at 5% replacement could be compensated with an increase in the cement content. Property Value
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Study of Strength of Concrete by Using Coconut Shell
Coconut shell is used as light weight aggregate in concrete. Coconut shells are by-products of coconut oil production. Coconut shells are used in the production of activated carbon due to hardness and high carbon content. Various researchers have investigated the use of coconut shells and
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Can Coconut Be Used as an Aggregate?
To make concrete greener and reduce the impact of rejected coconut shells on the environment, researchers have been testing the use of coconut fibers as full or partial replacement for aggregates. The ultimate goal is that concrete made of coconut husk aggregate could be used to produce low-cost housing for low-income areas around the world.
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Coconut Shell as Partial Replacement for Coarse Aggregate
The 28-day air-dry densities of coconut shell aggregate concrete are less than 2000 kg/m3 and these are 184 within the range of structural lightweight concrete. Coconut shell aggregate concrete satisfies the requirements of ASTM C 330. Reference [1] Adeyemi AY.,(1998) ,“ An investigation into the suitability of coconut shells as aggregates in
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Study on coconut shell concrete hollow blocks and the
Abstract In this study hollow blocks were produced using coconut shell (CS) as coarse aggregate. For comparison, hollow blocks were also produced with conventional concrete (CC). Mixes were produced both in field and laboratory. Both conventional and CS mixes satisfied the minimum strength required as per IS 2185 (Part 1): 1987. Hollow blocks were tested for their basic properties, shrinkage
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MECHANICAL PROPERTIES OF CONCRETE USING COCONUT SHELLS AS
focus was made on the coarse aggregates and an attempt was made to replace th e conventional coarse aggregates 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%.
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BEHAVIOUR OF REINFORCED CONCRETE BEAMS WITH COCONUT SHELL
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.
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