PROSPECT OF USING RECYCLED CONCRETE AS COARSE AGGREGATE IN BANGLADESH
DOI:
https://doi.org/10.47981/j.mijst.02(01)2013.34(%25p)Keywords:
Recycled coarse aggregate (RCA), virgin (fresh) coarse aggregate (VCA), compressive strength.Abstract
One of the major challenges of our present society is to construct the environment friendly structures with low cost technology. The use of recycled aggregates from construction sites and demolished concrete wastes is showing prospective application in construction as alternative to virgin (fresh) coarse aggregates. To focus the prospect of using recycled aggregate in the construction of Bangladesh, concrete cylinders were prepared by recycled aggregate and obtained laboratory results were compared to concrete cylinders made of virgin (fresh) coarse aggregates. This paper represents comparative study of the experimental results of concrete made of recycled coarse aggregate and virgin (fresh) coarse aggregate. In Bangladesh, due to the rapid growth of real estate business, many low rise buildings are need to be demolished to replace by relatively high rise buildings. Therefore, this study was carried out to check the possibility of using demolished concrete as coarse aggregate for new construction.
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