Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Strength and Durability Properties of Recycled Polymer Concrete Using Unsaturated Polyester Resin and Recycled Aggregates

불포화폴리에스터 수지와 재생골재를 이용한 재생 폴리머 콘크리트의 강도 및 내구 특성

  • 김영익 (강원대학교 지역건설공학과) ;
  • 성찬용 (충남대학교 지역환경토목학과)
  • Published : 2009.11.30
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Abstract

This study was performed to evaluate the strength and durability properties of recycled polymer concrete using unsaturated polyester resin and recycled aggregates. Unsaturated polyester resin, natural and recycled aggregates and fly ash were used. The mix proportions were determined to satisfy the requirement for the workability and slump according to aggregate sizes (5-10 and 5-25 mm) and unit binder contents (10% and 12%). Tests for the compressive and flexural strength, freezing and thawing and durability for 20% sulfuric solution were performed. The compressive and flexural strength of recycled polymer concrete were in the range of 85~97 MPa and 17.9~20.8 MPa, respectively. The strengths of recycled polymer concrete using recycled aggregate have similar or slightly decreased compared to polymer concrete using natural aggregate. After 300 cycles of freezing and thawing, weight decrease ratio and durability factor of recycled polymer concrete were in the range of 0.13~1.42% and 94~99, respectively.

Keywords

References

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