Coconut Shell As Aggregate In Concrete

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Properties of Concrete with Coconut Shells as Aggregate

studies identified that coconut shells, the agricultural by product can also be used as aggregate in concrete [11,12] According to a report, coconut is grown in more than 86 countries worldwide, with a total production of 54 billion nuts per

Performance of coconut shell as coarse aggregate in

Jun 01, 2017 · Using same mix design, coconut shell concrete was prepared by replacement of conventional crushed coarse aggregate (CA) with waste coconut shell (CS) Coconut shell replaced conventional aggregate by 10%, 20%, 30% and 40% respectively (by volume) and the effect on compressive strength and density of concrete was observed

Performance of coconut shell as coarse aggregate in

Jun 01, 2017 · It was found that with increasing proportion of coconut shells, there is decrement in compressive strength Results revealed that with 40% replacement of conventional coarse aggregate by coconut shell, 7 days compressive strength of concrete decreased by 626%; whereas decrease in 28 days compressive strength was only 215% 40% replacement makes the concrete lighter by 747%

(PDF) Use of Coconut Shell as an Aggregate in Concrete: a

produce light weight concrete and would definitely help in Density of concrete is reduced using coconut shell as compared to increasing the speed of construction Till now, only the study conventional concrete Coconut shell when dried contains regarding coconut shell as aggregate in concrete …

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

Lightweight Concrete Using Coconut Shells as Aggregate

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 191 N/mm 2 respectively It is concluded that crushed coconut shells are suitable when it is used as substitute for conventional aggregates in lightweight concrete production

Can we use coconut shell as a coarse aggregate in concrete

Jul 23, 2017 · The main purposes of using coarse aggregate in concrete is for its durability and strength Stronger the coarse aggregate greater will be the crushing strength of concrete Generally used coarse aggregate in making concrete is “Crushed Stone” Cru

Coconut Shell as Partial Replacement of Coarse Aggregate

Coconut Shell can be used as partial replacement of coarse aggregate in RCC concrete The following recommendations are made at the end of the study Effect of different admixtures can be studied on Coconut Shell Concrete(CSC)

How are coconut shells used in concrete? - Quora

Oct 09, 2014 · Answer Wiki Coconut shell can be grouped under lightweight aggregate There is no need to treat the coconut shell before use as an aggregate except for water absorption Coconut shell is compatible with the cement The 28-day air-dry densities of coconut shell aggregate concrete are less than 2000 kg/m3 and these are 184 within the range

Performance of Coconut Shell as Coarse Aggregate in

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 178 million hectares for coconut production Annual production is about 7562 million nuts with an average of

(PDF) Use of Coconut Shell as an Aggregate in Concrete: a

Hence, there is the need to study the feasibility of Dandagala et al;(2014) have made laboratory investigation on green coconut shells and matured coconut fibre as the aggregates coconut shell in concrete, an alternative low cost building material for concrete preparation in the future research programme and reached at following findings that coconut shell can be used as REFERENCES full …

Application of Coconut Shell as Coarse Aggregate in

Results revealed that with 40% replacement of conventional coarse aggregate by coconut shell, 7 days compressive strength of concrete decreased by 626%; whereas decrease in 28 days compressive

Coconut Shell as a Substitute for Coarse Aggregate in …

concrete using coconut shell as coarse aggregate were investigated in an experimental study and the study concluded lightweight concrete [5] From the research works reviewed above, it can be understand that coconut shells can be successfully used as a substitute for coarse aggregate in concrete…

Coconut Shell as Partial Replacement of Coarse Aggregate

concrete[4] Coconut shell is categorized as light weight aggregate contains cellulose, lignin, pentosans and ash in varying percentage [5] industry is yet to realize the advantages of …

PARTIAL REPLACEMENT OF COARSE AGGREGATE WITH …

The 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

A Study on the Utilization of Coconut Shell as Coarse

modified with coconut shell aggregate In order to test the above properties and compare with that of concrete without any coconut shell aggregate, a control concrete mix was designed as per IS 10262 2009 [8] for concrete of grade of M20 Based on the mix design, a mix ratio of 1: 163: 313 with water to cement ratio of 05 was adopted

Behavior of Reinforced Concrete Beams With Coconut Shell

Apr 11, 2018 · 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 figure CONCLUSION The experimental results of four beams, two each in CS and the NWC are presented in this paper

5 STUDY ON STRENGTH PROPERTIES OF COCONUT SHELL …

purpose of this research work is to develop a concrete with coconut shells as coarse aggregate The whole entity could be called coconut shell aggregate concrete (CSAC) After the coconut is scraped out, the shell is usually discarded as waste as shown in Figure 11 The vast amount of this discarded

Behavior of Reinforced Concrete Beams with Coconut Shell

Gunasekaran studied 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 …

Performance of Waste Coconut Shell as Partial Replacement

Coconut shell is categorized as light weight aggregate The coconut shell when dried, contains cellulose, lignin, pentosans and ash in varying percentage [6] Withal, in Asia the construc- tion industry is yet to utilize the advantage of light weight concrete in the construction of high rise structures [7]

Comparative Study on Coconut Shell Aggregate with

aggregate 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

Use of Coconut Shell Ash as Aggregates - Induseduorg

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…

Mechanical properties of concrete with coconut shell as

The coconut shell concrete was designed for the characteristic strength of 30 MPa with the incorporation of coconut shell as a replacement for fine and coarse aggregate at 10%, 20% and 30% by weight respectively

Compressive Strength of Concrete by Using Coconut Shell

II 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

Can we use coconut shell as a coarse aggregate in concrete

Jul 23, 2017 · Thickness of coconut shell is 4–5 mm Even if you take 10 mm (width) size shell, flakiness index of it will be more than 50% which is not good for concrete Then you have density Problem Coconut shell has very low density as compared to course aggregates due to which mixing and placing of concrete will be difficult

Mechanical properties of concrete with coconut shell as

The coconut shell concrete was designed for the characteristic strength of 30 MPa with the incorporation of coconut shell as a replacement for fine and coarse aggregate at …

USE OF WASTE COCONUT SHELLS AS SUBSTITUTE FOR …

replacement of a coconut shell aggregate is shown in Table 03 The results indicate that the slump tends to increase with the increment of coconut shell percentages, resulting in higher workability Table 3: Workability of Concrete (slump mm) Coconut shell replacement (%) …

Coconut Shell as a Partial Replacement to Coarse Aggregate

Concrete in accordance with Indian Standards IS 10262 (2009) with coconut shell as a partial replacement to coarse aggregate Table 1 : The Top 5 Coconut Producing Countries

LIGHT WEIGHT AGGREGATE CONCRETE BY USING COCONUT SHELL

Jan 22, 2016 · The 28 days compressive strength of coconut shell concrete was found to be 1488 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

Strength Properties of Concrete Containing Coconut Shell

270 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 …

Experimental Behaviour Of Reinforced Concrete Beams With

121 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

USE OF COCONUT SHELL FROM AGRICULTURE WASTE AS …

Mix Designation of Specimens Mix design Coconut shell (% ) Designation Asphaltic Concrete 0 AC -CS0 10 AC -CS10 20 AC -CS20 30 AC -CS30 40 AC -CS40 Aggregate impact value The aggregate with size passing 14mm and retained on 10mm was used Aggregate was placed in …

Advance Concrete-Aggregate replaced by Coconut Shell

aggregate and coconut shells 32 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 (ie 25% and 50%) replacement in concrete

Cocunut shell and Waste Glass based Concrete - A

strength to mortars and concretes Similarly Coconut shell being a hard and not easily degrade material if crushed to smaller size can be a potential material to partially substitute coarse aggregates in concrete The concrete with ground coconut shell was found to be durable in terms of its resistance in water, acidic and alkaline surrounding 2

Experimental assessment on coconut shells as aggregate in

At 185% replacement, the compressive strength is 20 Nmm-2, equivalent to grade 20 concrete Therefore 185 % replacement of granite by coconut shells in concrete can be used in reinforced concrete construction for dense aggregates according to the requirements of [10]

What is a Concrete Aggregate? (with pictures) - wisegeek

Apr 16, 2019 · Concrete with exposed aggregate is designed to be pleasant to look at, and it may be made with aggregate which is decorative as well as functional This technique is often used for walkways and concrete furniture to add more visual interest to what would otherwise be a bland gray expanse

A STUDY ON THE EFFECTS OF THE REPLACEMENT OF COCONUT SHELL

About Us The properties of coconut shell and coconut shell aggregate concrete is examined and the use of coconut shell aggregate in construction is tested Coconut shell exhibits more resistance against crushing compared to conventional aggregate Density of coconut shell is 5215 kg /m3 and these is within the specified limits for lightweight

Experiments on Partial Replacement of Coconut Shell as

Concrete made from coconut shell waste as coarse aggregate will be studied for compressive strength, tensile strength and flexural strength the percentage replacement will be 0%, 10%, 20% and 30% with natural coarse aggregates and replacement of 10% various size of coconut shell in concrete the