coconut shells as admixture in concrete

Coconut Shell Ash As Partial Replacement of Ordinary
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The cost of cement used in concrete works is on the increase and unaffordable yet the need for housing and other constructions requiring this material keeps growing with increasing population thus the need to find alternative binding materials that can be used solely or in partial replacement of cement Agricultural waste material in this case coconut shells which is an environmental...

Developing Concrete using Sea Shell as a Fine Aggregate
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Concrete cubes with periwinkle shells alone as coarse aggregate were lighter and of lower compressive strengths compared to those with other periwinkle gravel properti The 28-day density and compressive strength of periwinkle were 1944 kg/m3 and 1305 N/mm2 respectively...

LIGHT WEIGHT AGGREGATE CONCRETE BY USING COCONUT SHELL
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Jan 22 2016 0183 32 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...

Study on Flexural Behavior of Coconut Shell Concrete using
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reviews coconut shell has been replaced with broken stone in coconut shell concrete or river sand was replaced by quarry dust Therefore this paper presents the replacement conventional coarse aggregate by coconut shell and fine aggregate by quarry dust in the production of concrete and study their flexural strength 2 II...

Use of Coconut Shell as Coarse Aggregate in Lightweight
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Oct 05 2020 0183 32 This research work reports the investigation carried out to determine the use of coconut shell as an aggregate in light weight concrete Concrete samples were produced with different mix ratios to determine the best and economic proportions that will give acceptable compressive strengths...

Performance of Coconut Shell as Coarse Aggregate in
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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 100 respectively...

A Study on the Utilization of Coconut Shell as Coarse
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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...

An Experiment on Effect of Mineral Admixture in Coconut
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admixtures with coconut shell concrete Experimental investigations and analysis of results were conducted to study the compressive and flexural strength behavior of concrete with varying percentage of mineral admixtur The concrete mix adopted were m25 with varying...

Coconut Shell as Partial Replacement for Coarse Aggregate
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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 of structural lightweight concrete Coconut shell aggregate concrete satisfies the requirements of ASTM C 330 Reference...

THE USE OF COCONUT FIBRES AS AN ENHANCEMENT OF
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coconut fibre was added to plain concrete the torsional strength increased by up to about 25 as well as the energy-absorbing capacity but there is an optimum weight fraction 05 by weight of cement beyond which the torsional strength started to decrease again...

Waste Coconut Shell as a Partial Replacement of Coarse
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bonding between coconut shell and cement is not possible because of surface area of coconut shell aggregate 13 In future we can increase strength of coconut shell concrete by adding admixtur References 1 S Ghosal SC Moulik Use of Coconut Shell as an Aggregate in Concrete a...

A Study on the Behavior of Concrete made by using PPC
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A Study on the Behavior of Concrete made by using PPC Surkhi Coconut Shells as a Partial Replacement for Cement Fine Aggregate and Coarse Aggregate and Coconut Coir as an Admixture Putta Sri Sowmya Rupa1 Y Sunny Babu2 1MTech Student Department of Civil Engineering Kakinada Institute of Technological Sciences AAgraharam Ramachandrapuram...

Study on Strength Properties of Coconut Shell Concrete
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STUDY ON STRENGTH PROPERTIES OF COCONUT SHELL CONCRETE TOPICS TO BE DEALT INTRODUCTION EXPERIMENTAL INVESTIGATION MIX DESIGN RESULTS CONCLUSION INTRODUCTION Concrete is the premier construction material around the world and is most widely used in all types of construction works including infrastructure low and high-rise buildings and domestic...

5 STUDY ON STRENGTH PROPERTIES OF COCONUT SHELL
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water and admixture s Inert granular materials such as sand crushed stone or gravel form the major been conducted on mechanical properties of concrete with coconut shells as aggregate replacement However further research is needed for better understanding of the behavior of coconut shells as...

Effect of coconut shell as a Coarse Aggregates on Behavior
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as coarse aggregate in concrete India produces about 20 of the coconut produced in the world Within India Kerala produces 45 of it Disposal of coconut shells poses environmental issues as it is not easily degradable Aggregates made by crushing coconut shells can be effectively used in concrete by partially replacing coarse...

Use of Coconut Shells in Concrete
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concrete with natural aggregate and CS concrete with 10 - 20 coarse aggregate replacement with CS were made Two mixes contains coconut shells and fly ash was also added in the mix with coconut shells water cement ratio was strictly maintain as 04 in this research project...

Egg Shell As A Fine Aggregate In Concrete For Sustainable
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Egg Shell As A Fine Aggregate In Concrete For Sustainable Construction SA Raji A T ABSTRACT This work has investigated the potential use of usedegg shell as a concrete material The usedegg shells were used as fine concrete aggregate In the laboratory test conventional fine aggregate was replaced at 100 replacement level...

Study of Strength of Concrete by Using Coconut Shell
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admixture and concrete technology it is now possible to produce many different kinds of concrete 12 Materials/Constituents of Concrete -A composite cubes of coconut shell concrete The natural coarse aggregates were replaced as 0 5 10and 15 by coconut shells...

A Review on Utilization of Coconut Shell as Coarse
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paper the utilization of coconut shell as coarse aggregate in concrete for construction work will be the main focus Coconut shells can be used as aggregates in concrete The characteristic properties of coconut shell concrete such as workability flexural tensile...

REVIEW ON SUBSTITUTION OF COCONUT SHELL AS COARSE
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Coconut shells Courtesy by review paper parag s Coconut shell aggregates Courtesy by review paper parag s SATISH SHINDE RAMIZ SAYED 2016 In this paper authors mainly discussed about basic things needed to make human alive like meal lodging and clothes They replaced M20 grade concrete by coconut shell as a coarse cluster...

Compressive Strength of Concrete by Using Coconut Shell
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To check various properties of coconut shell concrete mix like - Density - Modulus of Elasticity - Workability - Water-cement ratio - Water absorption - Slump cone c To investigate the feasibility of the combination of coconut shell as coarse aggregate in concrete by Admixture 35/Kg 113 113 113 113 Total Rs 3293/- 3243/- 3218/- 3193...

Sustainable Management of Waste Coconut Shells as
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workable concrete with satisfactory strength Integration of coconut shell enhanced the strength of concrete making it to be the highest as compared to conventional concrete mixture Keywords Coconut shells construction materials hollow blocks recycled materials technical specification...

Study on Coconut Shells in Concrete
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crushed coconut shells were washed and dried and experimentally it has been found that specific gravity of Coconut shells is 145 B Mix Proportion and Casting M-40 grade concrete is designed as per IS 10262 2009 three mix were prepared 10 15 and 20 coconut shells These five mix are cased in 150mm 150mm 150mm...

PDF Study on properties of coconut shell as an aggregate
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Coconut shell concrete CSC has better workability 28-days air-dry densities of CSC of the typical mixes are within the range of structural lightweight concrete of density less than 2000 kg/m 3...

STUDY ON STRENGTH PROPERTIES OF COCONUT SHELL CONCRETE
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Feb 22 2016 0183 32 Sl No Type of Concrete Mix No of Cubes 1 M30 Grade 24 2 100 Coarse Aggregate 24 3 10 Coconut Shells 90 Coarse Aggregate 24 4 20 Coconut Shells 80 Coarse Aggregate 24 5 10 Coconut Shells 10 Fly ash 24 6 10 Coconut Shells 20 Fly ash 24 Total 144 36 Curing The objective of curing is to keep concrete saturated or as nearly...

Performance of coconut shell as coarse aggregate in concrete
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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...

Study on Durability Properties of Coconut Shell Concrete
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Coconut fiber was used in coconut shell concrete CSC and its durability properties were studied The properties include water absorption volume of permeable pore voids rapid chloride penetration test sorptivity and resistance at elevated temperature For comparison purpose these properties were also studied on conventional concrete CC with coconut fibers...

Strength Properties of Concrete Containing Coconut Shell
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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 aggregate implying its good for lightweight concrete...

MECHANICAL PROPERTIES OF CONCRETE USING COCONUT
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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 The mechanical...

Light Weight Concrete by Using Coconut Shell as Course
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freshly discarded Coconut shells were collected from a local oil mill The coconut shells were crushed using concrete hammers to a size such that it passes through a 20mm sieve and retained on 475mm sieve Crushed shells were washed to remove fibers mud etc from them The washed shells were dried in sunlight for 2 days...

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