Cockle Shell: A Potential Partial Coarse Aggregate Replacement in Concrete

Khairunisa, Muthusamy and Nurul Adha, Sabri (2012) Cockle Shell: A Potential Partial Coarse Aggregate Replacement in Concrete. International Journal of Science, Environment and Technology, 1 (4). pp. 260-267. ISSN 2277-663X (Print); 2278-3687 (Online). (Published)

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Effort towards preserving natural coarse aggregate for future generation and reducing cockle shell waste originating from the fisheries industry has initiated studies on possibility of integrating this waste in concrete production. This paper presents the result on the workability and compressive strength of concrete containing various percentage of cockle shell content as partial coarse aggregate replacement. Concrete mixes containing 0%, 5%, 10%, 15%, 20%, 25% and 30% cockle shell replacement level were cast before subjected to water curing for 28 days. Workability test and compressive strength test were conducted in accordance to BSEN 12350 and BSEN 12390 respectively. Results show that replacement of appropriate cockle shell content able to produce workable concrete with satisfactory strength. Integration of 20% cockle shell enhanced the strength of concrete making it to be the highest as compared to any other replacement level.

Item Type: Article
Uncontrolled Keywords: Cockle shell; partial coarse aggregate replacement; concrete; workability; compressive strength
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Faculty of Civil Engineering & Earth Resources
Depositing User: Dr. Khairunisa Muthusamy
Date Deposited: 20 Jul 2016 01:11
Last Modified: 16 May 2018 00:51
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