농업과학연구 (Korean Journal of Agricultural Science)

  • 제37권2호
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  • Pages.277-283
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  • 2010
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  • 2466-2402(pISSN)
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  • 2466-2410(eISSN)
충남대학교 농업과학연구소 (Institute of Agricultural Science, CNU)
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폴리프로필렌섬유를 혼입한 포장용 투수성 폴리머 콘크리트의 공학적 성질

Engineering Properties of Permeable Polymer Concrete for Pavement Using Polypropylene Fiber

  • 성찬용 (충남대학교 농업생명과학대학 지역환경토목학과) ;
  • 이승훈 (충남대학교 농업생명과학대학 지역환경토목학과)
  • Sung, Chan-Yong (Dept. of Agricultural and Rural Engineering, Coll. of Agri. Life and Sci, Chungnam National University) ;
  • Lee, Seung-Hoon (Dept. of Agricultural and Rural Engineering, Coll. of Agri. Life and Sci, Chungnam National University)
  • 투고 : 2010.08.08
  • 심사 : 2010.09.17
  • 발행 : 2010.09.30
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초록

Research on permeable pavement like asphalt and concrete pavement with porous structure has been increasing due to environmental and functional need such as reduction of run off and flood. This study was performed to evaluate void ratio, permeability coefficient, and compressive strength of permeable polymer concrete (PPC) using crushed and recycled coarse aggregate that is obtained from waste concrete. Also, 6 mm length of polypropylene fiber was used to increase toughness and interlocking between aggregate and aggregate surrounded by binder. Binder and filler used were unsaturated polyester resin and CaCO3, respectively. The mix proportions were determined to satisfy the requirement for the workability and slump according to aggregate sizes 5~10 mm. In the test results, regardless of kinds of aggregates and fiber contents, the void ratio, permeability coefficient and compressive strength of all types of PPC showed the higher than the criterion of porous concrete that is used in permeable pavement in Korea. Also, strengths of PPC with increase polypropylene fiber volume fraction showed slightly increased tendency due to increase binder with increase of fiber volume fraction. Accordingly, polypropylene fiber and recycled coarse aggregate can be used for permeable pavement.

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참고문헌

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