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Advances in Concrete Construction Volume 10, Number 5, November 2020 , pages 369-379 DOI: https://doi.org/10.12989/acc.2020.10.5.369 |
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Experimental investigation on hardened properties of recycled coarse aggregate concrete |
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Shanjida A. Shohana, Md. I. Hoque and Md. H.R. Sobuz
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| Abstract | ||
| Reduction of disposal of waste materials due to construction demolition has become a great concern in recent decades. The research work presents the hardened properties of concrete where the partial substitution of recycled coarse aggregate with natural aggregate in amount of 0%, 10%, 30% and 50%. By using different mixed proportions, fresh and hardened properties of concrete were conducted for this investigation. These properties were compared with control concrete. It can be seen that all of the hardened properties of concrete were decreased with the increasing percentage of recycled aggregate in concrete mixes. It was noticed that up to 30% recycled aggregate replacement can be yielded the optimum strength when it used in normal concrete. Finally, it can be said that disposed recycled concrete utilizing as a partial replacement in natural aggregate is a great way to reuse and reduce environmental hazards which achieve sustainability approach in the construction industry. | ||
| Key Words | ||
| waste concrete; concrete; recycled coarse aggregate; performance; compressive strength | ||
| Address | ||
| Shanjida A. Shohana, Md. I. Hoque and Md. H.R. Sobuz: Department of Building Engineering and Construction Management, Khulna University of Engineering and Technology, Khulna-9203, Bangladesh | ||
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