4. According to R. Nagalakshmi, M25 grade of concrete with cement replaced by fly ash and coarse aggregate by coconut shell and find its compressive, tensile strength. 5. According to Sabarudin Bin Mohd, he replaced coconut shell and palm kernel shell in place of coarse aggregate in concrete in 0,25,50,75 and 100 % replacement.
Results revealed that with 40% replacement of conventional coarse aggregate by coconut shell, 7 days compressive strength of concrete decreased by 62.6%; whereas decrease in 28 days compressive strength was only 21.5%. 40% replacement makes the concrete lighter by 7.47%.
possible. Thus concrete is indispensible material in every construction. The major element of concrete is cement. Since cement price is volatile and demand is so high, an alternate material can be used for replacement of cement. Since several replacement experiments were done for coarse and fine aggregate.
In this study, coconut shell was used to partial replace the coarse aggregate by 5%, 10% and 15%. All concrete was design to grade C25 / 30 and all samples cured for 7days, 14days and 28days. Test compressive strength and flexural strength conducted to determine the strength of hardened concrete. The result presented that 15% coconut shell ...
aggregate. In the laboratory test, conventional fine aggregate was replaced at 100% replacement level. A total of 18 cubes were cast, cured and tested. The strength development of the concrete mixes containing egg shell aggregates was compared to that of conventional concrete with sand as fine aggregate.
Title: Egg shell as a fine aggregate in concrete for sustainable construction, Author: IJSTR Research Publications, Name: Egg shell as a fine aggregate in concrete for sustainable construction ...
This study is partial replaced the fine aggregate with coconut shell powder with 0%, 10% and 20% with 3 different type of curing method. The 20% of coconut shell powder concrete with water curing get the best compressive strength for day 60 which is 42.241kN/mm2 and flexural strength is 12.818kN/mm2.
coconut shell concrete with the replacement of 16%, 18.5% and 20% by coarse aggregate By testing the concrete cubes, at th28 day 16% replacement of coarse aggregate by coconut shell shows that the strength of the coconut shell concrete was decreased by .
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
This study is aimed to design a concrete mixture with recycled bottles as a fine aggregate for housing projects (finely powdered waste glasses are used as a partial replacement). On mixing the concrete with waste glass powder, the workability of concrete, the compressive strength and also the durability of concrete are expected to increase.
In addition, when the replacement rate of the coarse aggregate is 50%, the unit volume weight stands at 1993 kg/m 3, which represents roughly 10% lightening. Results from assessing the quality of the hollow concrete produced indicate that, even if 50% of the fine aggregate is substituted with OS, the absorption rate almost satisfies the standards.
01-03-2006· Fine aggregate: The fine aggregate used was stone dust obtained from a local quarry few kilometres from Ile-Ife. ... The coconut shell concrete (CSC) exhibited higher density than PKSC. For both shells and for the two mix ratios, the density of the concrete decreased as .
Coconut shell was successfully used in the construction industry for partial or full replacement for coarse aggregates. The use of coconut shell gives advantage of using waste material to partially replace the coarse aggregate. Studies carried on coconut shell indicate that it can partially replace the aggregate.
This indeed is an interesting question. I came across some research papers. I think, this particular review Paper has an answer to your question. Please read the conclusion from the paper given below. > * The possibility exists for the partial rep...
Concrete is a heterogeneous mixture constitute of cement as the main ingredient with a different mix of fine and coarse aggregate. The massive use of conventional concrete has a shortfall in its key ingredients, natural sand and coarse aggregate, due to increased industrialisation and globalisation. To overcome the shortage of material, an alternate material with similar mechanical properties ...
Kambli Parag S. and Mathapati Sandhya R. (2014) [5] studied the use of coconut shell in concrete and concluded that coconut shell has a potential to be used as light weight aggregate.
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 replacement 10% of coconut shell and added coir ...
Coarse aggregate and fine aggregate and water were used from local source..the specific gravity of fine aggregate and coarse aggregate was found to be 2.65 and 2.7 respectively. Egg shells from local hotels were collected, the weight of each egg shell produces 1 teaspoon of Egg Shell Powder
A typical concrete is a mixture of fine aggregate (sand), coarse aggregate (rock), cement, and water. Nowadays the usage of concrete is increasing from time to time due to the rapid development of construction industry.Today, there are many ways to enhance the quality and properties of concrete.
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. Therefore, this study investigated the durability performance of CSAC in three curing conditions and resistance at elevated temperatures.
In this study, coconut shell was used to partial replace the coarse aggregate by 5%, 10% and 15%. All concrete was design to grade C25 / 30 and all samples cured for 7days, 14days and 28days. Test compressive strength and flexural strength conducted to determine the strength of hardened concrete. The result presented that 15% coconut shell ...
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. Therefore, this study investigated the durability performance of CSAC in three curing conditions and resistance at elevated temperatures.
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. A total of 18 cubes were cast, cured and tested. The strength development of the concrete mixes containing egg shell aggregates was compared to that of ...
to crushed granite aggregate. Coconut shell can be grouped under lightweight aggregate. Parag S. Kambli, Sandhya R. Mathapati (2014)[2] In this paper coarse aggregate namely gravel and fine aggregate is sand in concrete will be used as control. While natural material is coconut shell as course aggregate