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An Experimental Study on the Strength of Recycled Concrete with Steam Curing

증기양생 재생콘크리트의 강도특성에 관한 실험연구

  • 이명규 (전주대학교 토목환경공학과) ;
  • 김광서 (원광대학교 건축공학과) ;
  • 이근호 (원광대학교 건축공학과) ;
  • 정상화 (전주대학교 토목환경공학과)
  • Published : 2005.06.01

Abstract

Various tests are performed with the recycled concrete including compressive strength, flexural strength, splitting tensile strength, bonding strength and chloride ion penetration test. The basic data obtained from the presented test could be accumulated for the purpose of utilization in concrete structure. Most of the strength tests show that strength decrease a little extent with increasing substitution ratio of recycled coarse aggregate except splitting tensile test for the concrete with $100\%$ recycled fine aggregate. But in case of the $50\%$ substitution of recycled coarse aggregate, compressive strength, flexural strength and bonding strength are almost equal to the normal concrete. Chloride ion penetration test shows that the penetration amounts of chloride ion becomes more in proportion to the substitution ratio of recycled aggregate. But most of the results show that the permeability of recycled concrete is proper to use. The results of present study nay imply that the use of recycled aggregate for steam curing concrete is possible but the substitution ratio of recycled aggregate should be determined through further studies.

Keywords

References

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