Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Optimum Mix Proportion and Mechanical Properties of Rain Garden Structure Concrete using Recycled Coarse Aggregate, Hwang-Toh, Blast Furnace Slag and Jute Fiber

순환굵은골재, 황토, 고로슬래그 미분말 및 마섬유를 사용한 레인가든 구조물 콘크리트의 최적배합설계 및 역학적 특성

  • 김동현 (공주대학교 일반대학원 농공학과) ;
  • 박찬기 (공주대학교 지역건설공학과)
  • Received : 2013.03.07
  • Accepted : 2013.04.22
  • Published : 2013.05.31
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Abstract

In this study, the optimum mix proportions of rain garden structure concrete were decided and the mechanical properties were evaluated. Experimental parameters were blast furnace slag, hwang-toh, recycled aggregates and natural jute fibers. The target compressive strength and chloride ion penetration were more than 24 MPa and less than 1000 coulombs, respectively. The response surface method was used for statistical optimization of experimental results. The optimal mixing ratios of the blast furnace slag, hwang-toh, recycled coarse aggregate and jute fiber volume fraction were determined 59.98 %, 8.74 %, 12.12 % and 0.2 %, respectively. The compressive strength, flexural strength and chloride ion penetration test results of optimum mix ratio showed that the 24.56 MPa, 3.88 MPa and 999.08 columbs, respectively.

Keywords

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