Journal of the Korean Society of Industry Convergence (한국산업융합학회 논문집)

The Korean Society of Industry Convergence (한국산업융합학회)
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An Experimental Study on Manufacturing Permeable Concrete Blocks from Recycled Industrial By-Products of Oyster Shell and Blast Furnace Slag

굴패각 및 고로슬래그 산업부산물을 재활용한 콘크리트 투수블록의 제조에 대한 실험적 연구

  • 어석홍 (창원대학교 토목공학과) ;
  • 허원석 (부산광역시 동래구청, 건설과) ;
  • 하상훈 (한국농어촌공사, 경남지역본부 수자원관리부) ;
  • 이창열 ((주)한국고서이엔지)
  • Received : 2023.10.24
  • Accepted : 2023.12.01
  • Published : 2023.12.31
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Abstract

In this paper, bending strength and permeability tests were conducted on concrete permeable blocks manufactured by recycling industrial by-products of oyster shell and blast furnace slag to measure and compare bending strength and permeability coefficient, and present experimental research results. To this end, a total of 54 specimens with a size of 200x200x60mm for surface layer and base layer were manufactured, and bending strength and permeability test were carried ourt accoridng to KS F 4419. Eighteen types of mixing designs were implemented by varying the mixing and replacement rates of oyster shells and blast furnace slag. As a result of the experiment, the higher the mixing ratio of oyster shell, the lower the bending strength and the permeability coefficient. Thereafter, a total of three permeable blocks with dimensions of 200x200x60mm were manufactured and subjected to bending strength and permeability tests according to KS F 4419. As a result of the test, the bending strength satisfies the standard of KS F 4419, and the permeability coefficient is 12 times higher than the standard of KS F 4419. It seems that the proper mixing of oyster shells and blast furnace slag increases the amount of air, and further research on durability and economic feasibility of materials used to manufacture permeable blocks is required.

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Acknowledgement

본 논문은 2023~2024년도 창원대학교 교내공모과제 연구비지원에 의하여 수행되었음.

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