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Exploratory Study of Coconut Shell as Coarse Aggregate in ...

SAMPLE DESCRIPTION AGGREGATES Aggregate type Coarse Coconut shell Aggregate size mm inch Passing Retained Passing Retained 11/2 2 11/2 2 Total weight of dry aggregate (g) W 1 1503 356 Weight of aggregate after passing length guage (g) W 2 880 180 Flakness index (%) (W 2 …

(PDF) COCONUT SHELL AS AGGREGATE IN CONCRETE ROOF …

Download Full PDF Package. This paper. A short summary of this paper. 15 Full PDFs related to this paper. READ PAPER. COCONUT SHELL AS AGGREGATE IN CONCRETE ROOF TILES. Download.

(PDF) COCONUT SHELL AS PARTIAL REPLACEMENT OF COARSE ...

01-01-2014· The crushing strength value is less than 30% when the replacement of coconut shell is in between 5%-25% and therefore it is good and the aggregate impact value …

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

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.

REPLACEMENT OF FINE AGGREGATES USING COCONUT SHELL …

2.4 COCONUT SHELLS: Coconut shells are known for its better workability due to the smooth surface onside of the shells. The coconut shell concretehas high impact resistance when compared with conventional concrete. It has more moisture retaining and water absorbing capacity compared to conventional aggregate.

[PDF] Assessing the Effectiveness of Coconut Shell ( CS ...

For coconut shell aggregate to be used efficiently for construction purposes, it is imperative to investigateitsproperties. Therefore, this study examined the effect of coconut shell as fine and coarse aggregate replacement on the behavior of concrete with respect to some vital properties.

INVESTIGATE THE COMBINATION OF COCONUT SHELL AND …

Coconut shell as coarse aggregate The coconut shells were obtained from a local coconut field located in Kampung Kurnia Kuantan Pahang. They were sun dried for 1 month before being crushed manually. The crushed materials were later transported to the laboratory where they were washed and allowed to dry under ambient temperature for another 1 month.

Effect of coconut shell as a Coarse Aggregates on Behavior ...

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.

Study for the relevance of coconut shell aggregate ...

coconut shell aggregate concrete pipes encourage the use of coconut shell as an aggregate for the replacement of conventional coarse aggregate in reinforced concrete pipes production. 2016 Faculty of Engineering, Ain Shams University. Production and hosting by Elsevier B.V. Thisisan

(PDF) Application of Coconut Shell as Coarse Aggregate in ...

PDF | On Mar 1, 2014, Sandhya Mathapati/ Swami published Application of Coconut Shell as Coarse Aggregate in Concrete: A Technical Review | Find, read and cite all the research you need on ...

Properties of Concrete with Coconut Shells as Aggregate ...

Properties of Concrete with Coconut Shells as Aggregate Replacement 22 2.2. Mix proportions In order to investigate properties of CS concretes, six mixes were employed. Control mix (M1) that is, without CS was made. Coarse aggregate was then replaced with CS in 10 (M2), 15 (M3), 20 (M4) percentages to study effect of CS

Use Of Coconut Shell As Coarse Aggregate In Lightweight ...

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 compared with that of normal aggregate of 1.80%, 8.78% ...

Coconut Shell as Partial Replacement for Coarse Aggregate ...

Coconut shell exhibits more resistance against crushing, impact and abrasion, compared to crushed granite aggregate. 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.

Partial Replacement of Coconut Shell as Coarse aggregate ...

the coconut shell is produced about 3.18 million tonnes [6]. In this study the coarse aggregate is replaced by coconut shell in M15, M20, and M25 grades of concrete of 16%, 18.5%, and 20% each and compressive strength have been found out. From the results it have been concluded that coconut shell can be used as structural concrete and it leads

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

Coconut shell is most dumped here and there causing favourable conditions for suitable and compatible with the cement. The 28 days air dry methane emissions, the most potent green house gases for the density of coconut shell aggregates is less than 2000 kg/m3 and this atmosphere.

Coconut (Cocos nucifera L) Waste as Partial Coarse ...

03-08-2020· 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.

Strength Properties of Coconut Shell as Coarse Aggregate ...

Coconut Shell concrete has better 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. Moisture retaining and water absorbing capacity of Coconut Shell are more compared to conventional aggregate.

PARTIAL REPLACEMENT OF COARSE AGGREGATE WITH COCONUT SHELL …

3.1.4 Coconut shell: Coconut shells used in the study are brought from local temple. The coconut shells are sundried for five days before using it as an aggregate. The cleaning of coconut shell is carried with the help of sand paper, the smaller extractions on the outer face of coconut is cleaned with the help of water.

REPLACEMENT OF COARSE AGGREGATE BY COCONUT SHELL IN …

Coconut shell used as coarse aggregate in concrete encouraged sustainable and environment friendly material in the construction field. Composites are made by combining two or more natural or artificial materials to maximize their useful properties and minimize their weaknesses and …

Assessing the Effectiveness of Coconut Shell (CS) as ...

For coconut shell aggregate to be used efficiently for construction purposes, it is imperative to investigateitsproperties. Therefore, this study examined the effect of coconut shell as fine and coarse aggregate replacement on the behavior of concrete with respect to some vital properties. The coconut ...

coconut shell as aggregate in concrete pdf

29-06-2020· 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 …

Use of Coconut Shell Ash as Aggregates

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…

Effect of Coconut Shell as a Coarse Aggregates on Behavior ...

24-03-2021· It was observed that the coconut shell has a great potential as a partial replacement of the aggregate in the concrete. The present work is only an accumulation of information about GFRGC and the research work which is already carried out by other researchers.

Performance of Coconut Shell as Coarse Aggregate in ...

and 42% for concrete produced from coconut shell and palm kernel shell respectively [6,7]. 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 respectively.