Jun 01, 2017· We prepared coconut shell modified-concrete. • Coconut shell was utilized as coarse aggregate as partial replacement of conventional coarse aggregates. • Its utilization is a sustainable approach to consume the non-biodegradable coconut shell waste.
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
Sep 15, 2017· Abstract. An experimental investigation was carried out to study the durability properties of Coconut Shell (CS) aggregate concrete. Effect of mineral admixtures such as fly ash and ground granulated blast furnace slag (GGBFS) as partial replacement of cement on durability properties of CS aggregate concrete was also verified.
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,
Comparative Study on Coconut Shell Aggregate with Conventional Concrete Vishwas P. Kukarni, Sanjay kumar B. Gaikwad Abstract: Aggregates provide volume at low cost, comprising 66 percent to 78 percent of the concrete. Conventional coarse aggregate namely gravel and fine aggregate is sand in concrete will be used as control. While
"Coconut Shell as Partial Replacement of Coarse Aggregate in Concrete" - Download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. partial replacement of coarse aggregate
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
The grade of coconut shell aggregate concrete, a lightweight concrete (LWC) produced using coconut shell aggregate got from an agricultural waste as lightweight aggregate…
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.
Oct 26, 2017· During my college time one of my senior proposed this idea as a final year projec .This experimental investigation was aimed to quantify the effects of replacing partially the conventional coarse aggregate by coconut shell to produce concrete. The...
Jun 01, 2017· Waste coconut shell has potential of being used as coarse aggregate in concrete . The present study focuses on use of waste coconut shell (CS) as partial replacement of conventional coarse aggregate (CA) for concrete production. 2. Application of coconut shell as coarse aggregate
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.
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.
Nov 09, 2017· 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.
Apr 11, 2018· Coconut shell concrete can be classified under structural lightweight concrete. O.T. Olateju in this paper reports the exploratory study on the suitability of the periwinkle shells as partial or in concrete works. Physical and mechanical properties of periwinkle shell and crushed granite were determined and compared.
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.
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 ...
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 521.5 kg /m3 and these is within the specified
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.
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. 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 ...
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
Experimental assessment on coconut shells as aggregate in concrete 8 | Page II. MATERIALS AND METHODS The materials used for concrete for this study were portland cement, sand, granite and coconut shells.
Jan 22, 2016· 4. The 28 days compressive strength of coconut shell concrete was found to be 14.88 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.
Dec 24, 2016· Coconut Shell as a Substitute for Coarse Aggregate in Concrete Jerin M. George, Ashish Babu, George Franco, Aseem Ali P National Institute of …
concrete using coconut shell as coarse aggregate were investigated in an experimental study and the study concluded lightweight concrete . 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…
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).
The coconut shells were collected from the local market and exposed to the sun to dry for one week, then they were crushed by a mini crusher to produce fine coconut shell aggregates (CSA). Figure 1(a) and (b) show coconut shells as fine and coarse aggregates, respectively. The length of fine CSA was made between 1.18 mm to 4.75 mm.
As the compressive strength decreases with the increase in the % of coconut shell content, tests on coconut shell aggregates were carried out to enable the use of coconut shell concrete in road pavements. Standard value for impact and crushing test, according to IS 2386 Part-IV – 1963, is 30% for wearing surfaces and the values obtained was 2%.
PDF | Properties of concrete with coconut shells (CS) as aggregate replacement were studied. Control concrete with normal aggregate and CS concrete with 10-20% coarse aggregate replacement with CS ...
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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