Use Of Crushed Bricks As Coarse Aggregate In Concrete
Tikrit Journal of Engineering Sciences,
2009, Volume 16, Issue 3, Pages 64-69
AbstractThe investigation reported in this paper is carried out to study the feasibility of using crushed bricks to substitute the coarse aggregate (gravel) in concrete. Two types of concrete mixing are prepared. The first one is a mixture of 1:2:4 without crushed bricks and is used as a reference mixture .The second one is made of different weight of crushed bricks (as a percentage from the weight of the coarse aggregate). A total of 30 numbers of concrete specimens are casted with and without crushed bricks and tested under compression and split tension as per relevant to British standard specifications.Test results indicated that using crushed bricks reduces the strength of concrete. Also, the percentage of water to cement ratio increases for constant slump when the percentage of crushed bricks increased. Key words: Recycled aggregate, Crushed bricks, Light weight concrete, Demolition waste.
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