Advances in concrete construction

  • 제10권5호
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  • Pages.369-379
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  • 2020
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  • 2287-5301(pISSN)
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  • 2287-531X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Experimental investigation on hardened properties of recycled coarse aggregate concrete

  • Shohana, Shanjida A. (Department of Building Engineering and Construction Management, Khulna University of Engineering and Technology) ;
  • Hoque, Md. I. (Department of Building Engineering and Construction Management, Khulna University of Engineering and Technology) ;
  • Sobuz, Md. H.R. (Department of Building Engineering and Construction Management, Khulna University of Engineering and Technology)
  • 투고 : 2019.09.28
  • 심사 : 2020.09.22
  • 발행 : 2020.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

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.

키워드

과제정보

This study was conducted at the structural and material engineering laboratory, Department of Building Engineering and Construction Management (BECM), Khulna University of Engineering and Technology, Khulna, Bangladesh and supported by the university final year student grant. The authors would like to thank the technicians of BECM laboratory for their valuable guidance and assistance in specimen fabrication, preparation and testing.

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피인용 문헌

  1. Elasto-Damage constitutive modelling of recycled aggregate concrete vol.28, pp.1, 2020, https://doi.org/10.12989/cac.2021.28.1.013