한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제46권2호
  • /
  • Pages.49-57
  • /
  • 2004
  • /
  • 1738-3692(pISSN)
  • /
  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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굵은골재의 편장석 함유량이 콘크리트의 성능에 미치는 영향

Effect of Flat and Elongated Particles in Coarse Aggregates on Properties of Concrete

  • 원종필 (건국대학교 지역건설환경공학과) ;
  • 조용진 (건국대학교 대학원) ;
  • 박광수 (농업기반공사 농어촌연구원) ;
  • 신수균 (농업기반공사 농어촌연구원)
  • 발행 : 2004.01.01
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초록

Generally, the properties of aggregate greatly affect the physical and mechanical properties of concrete. Flat and elongated particles in coarse aggregates, for some construction uses, may interfere with consolidation and be difficult to place. In this study, an experiment to evaluate properties of flat and elongated particles as coarse aggregate in concrete was conducted. The experiments include slump test, air content test and compressive strength test. The test result of slump and change of slump was rapidly decreased by percentage of flat and elongated particles. But it had not a trend by increasing percentage of flat and elongated particles. Compressive strength of hardened concrete does not make any differences in comparison.

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참고문헌

  1. A. M Neville, 1997, Properties of Concrete. John Wiley & sons, pp.108-177, pp.182-186
  2. ASTM D 4791-99, 2000, Standard Test Method for Flat Particles, Elongated Particle, or Flat and Elongated Particles in Coarse Aggregate.
  3. Byung-Hwan Oh etc., 1999, Concrete Engineering, Korea Concrete Institute.
  4. Han-Young Moon, 1992, Construction Material, Dong Myoung Sa, pp.78-93
  5. P. Kumar Merta, Paulo J. M. Monteiro, 1993, Concrete structure, Properties and Materials, Prentice-Hall, pp.226-254
  6. Sidney Mindess, J. Francis Young, David Darwin, 2002, Concrete, Pearson Education, pp.193-219