coconut shell as aggregate in concrete pdf
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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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5 STUDY ON STRENGTH PROPERTIES OF COCONUT SHELL …
coconut shells as coarse aggregate replacement. Furthermore, in this study, the effect of fly ash as cement replacement and aggregate replacement on properties of the coconut shells replaced concrete was also investigated. The concrete obtained using coconut shell aggregates satisfies the minimum requirements of concrete.
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Performance of coconut shell as coarse aggregate in concrete
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.
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Study on Strength Characteristics of Concrete with Partial ...
the study showed that concrete produced by replacing 10% to 20% of coarse aggregate by coconut shells can be used in reinforced concrete construction and 30% to 40% replacement can be in structural lightweight concrete (ASTM C330, 1999).
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Experimental assessment on coconut shells as aggregate in ...
Experimental assessment on coconut shells as aggregate in concrete Daniel Yaw Osei Department of Civil Engineering Cape Coast Polytechnic, Cape Coast, Ghana. ABSTRACT: The rising cost of construction materials in developing countries has necessitated research into the use of alternative materials civil engineering construction.
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MECHANICAL PROPERTIES OF CONCRETE USING COCONUT …
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 .
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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.
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Performance of Waste Coconut Shell as Partial Replacement ...
Coconut Shell is a waste from the agrarian sector and is used in large quantities in the tropical areas. The waste coconut shell may be utilized to replace natural coarse aggregate.
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Performance of Coconut Shell as Coarse Aggregate in ...
Concrete obtained using coconut shell as a coarse aggregate satisfies the minimum requirements of concrete. Coconut shell aggregate resulted acceptable strength which is required for structural concrete. Coconut shell may present itself as a potential material in the field of construction industries.
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Experimental Investigation on the Propertiesof Recycled ...
recycled aggregate and coconut shell aggregate concrete are examined and the of recycled aggregate and scope coconut shell aggregate in construction is investigated. The basic properties of recycled and coconut shell aggregate concrete are examined wrtthe natural aggregate concrete. Basic changes in all aggregate properties were determined and ...
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STRENGTH PROPERTIES OF PARTIAL REPLACEMENT OF …
By the replacement of coconut shells we can get the light weight concrete. As the replacement of coconut shells increases the strength of the concrete will be reduce. The strength properties of concrete were found by the replacement of coconut shells by 0%, 5%, 10%, and 15% at the age of 3days, 7days and 28days.
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Experimental Behaviour Of Reinforced Concrete Beams With ...
used as light weight aggregate in concrete. The properties of coconut shell and coconut shell aggregate concrete is examined and the use of coconut shell aggregate in construction is tested. The project paper aims at analyzing flexural and compressive strength characteristics of with partial replacement using M25 grade concrete.
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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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Coconut Shell as a Partial Replacement to Coarse Aggregate ...
industries are highly desirable. One such alternative is coconut shell (CS), which is a form of agricultural solid waste. This aggregate is abundantly available in countries like Indonesia, Philippines and India. The main coconut producers in the global market for 2010 are shown in Table 1. Lightweight aggregate concrete (LWAC)
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Experimental Analysis of the Use of Coconut Shell as ...
Coconut shell aggregate concrete can offer 2 hours fire resistance and therefore it may be classified under type 3 constructions. Use of coconut shell aggregate concrete as structural light weight concrete is recommended. Coconut shell aggregate is a potential construction material and simultaneously reduces the environmental
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Strength Properties of Concrete Containing Coconut Shell ...
cement, river sand, coarse aggregate/coconut shell was obtained and used to cast the The concrete. comprehensive mix proportion of the constituent materials is presented in Table 1. 2.2 physical properties of the constituent materials . The physical properties of ashaka cement, coconut shells, coarse aggregate and fine aggregate were
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Properties of Concrete with Coconut Shells as Aggregate ...
and the Philippines [13]. Limited research has been conducted on mechanical properties of concrete with coconut shells as aggregate replacement [11,12]. However, further research is needed for better understanding of the behaviour of coconut shells as aggregate in concrete.
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Improvement of Strength of Concrete with Partial ...
properties of coconut shell and coconut shell aggregate concrete is examined and the use of coconut shell aggregate in construction is tested. Moisture content and water absorption were 4.20% and 24% respectively and these values are more compared to conventional aggregate. Coconut shell exhibits resistance against crushing, impact and abrasion ...
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USE OF COCONUT SHELL FROM AGRICULTURE WASTE AS …
behavior of reinforced concrete beams with coconut shell as coarse aggregates. He found that, the overall flexural behaviors of reinforced beam with coconut shell are closely equivalent with using natural aggregates. [9] have studied the properties of concrete that using coconut shell as coarse aggregate and the result is the compressive
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A Study on the Utilization of Coconut Shell as Coarse ...
countries like India. The possibility of utilizing recycled coconut shell aggregates in concrete as coarse aggregate is examined in the present study. An optimum percentage replacement of coarse aggregate with coconut shell aggregate is determined from the study. Coarse aggregate made from coconut shells
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Coconut Shell as Partial Replacement of Coarse Aggregate ...
coarse aggregate in concrete. Coconut shell is a waste material and the amount of these wastes is increasing day by day. Usage of these as aggregates will reduce its presence as a waste material from earth. Coconut shell is a light weight material thus producing light weight concrete. In this project,
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Partial Replacement of Coconut Shell as Coarse aggregate ...
coconut shell concrete with the replacement of 16%, 18.5% and 20% by coarse aggregate By testing the concrete cubes, at 28 th day 16% replacement of coarse aggregate by coconut shell shows that the strength of the coconut shell concrete was decreased by 2.15% from control mix.
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(PDF) Properties of Concrete with Coconut Shells as ...
Yerramala and C [20] have conducted experimental investigation by replacing coarse aggregate with 0%, 10%, 15% and 20% of coconut shell as aggregate replacement to study the properties of concrete ...
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A study on some durability properties of coconut shell ...
Abstract. In this study, coconut shell was used as recycled lightweight aggregate in concrete. For coconut shell aggregate concrete (CSAC) to be used in realistic situations, its strength, durability and its temperature resistance need to be examined.
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(PDF) Lightweight Concrete Using Coconut Shells as Aggregate
Aggregates provide volume at low cost, comprising 66 percent to 78 percent of the concrete. With increasing concern over the excessive exploitation of natural and quality aggregates, the aggregate ...
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Experimental Investigation of Concrete using Coconut Shell ...
Coarse aggregate, coconut shells required for the Experimental work. 4. Testing of properties of cement, fine aggregate, coarse 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).
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A STUDY ON THE EFFECTS OF THE REPLACEMENT OF COCONUT SHELL ...
The coarse aggregates are the main ingredients of concrete. In this study, coconut shell is used as lightweight aggregate in concrete. 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
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Sustainable Management of Waste Coconut Shells as ...
It also paved the way to the recognition of using coconut shells and fiber as substitute for aggregates in developing concrete hollow blocks. This paper presents the result on the workability and compressive strength of concrete containing various percentage of coconut shell content as partial aggregate …
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Mechanical and bond properties of coconut shell concrete ...
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 the theoretical values as recommended by the standards.
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Experimental Study on Partial Replacement of Cement with ...
converting the coconut shells to char (charcoal). The charring process (making of charcoal) is known as the Pyrolysis, which is chemical decomposition of the shell by heating in the absence of oxygen. During the carbonization of coconut shells, volatiles amounting to 70% of the mass of coconut shells on dry weight basis are released to the
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