Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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A Study on the Engineering Characteristics of PVA (Polyvinyl Alcohol) Fiber-Cement-Soil Mixtures

PVA 시멘트 혼합토의 공학적 특성 연구

  • 김영익 (충남대학교 농업생명과학대학 지역환경토목학과) ;
  • 연규석 (강원대학교 농업생명과학대학 지역건설공학과) ;
  • 김기성 (강원대학교 농업생명과학대학 지역건설공학과) ;
  • 유경완 (강원대학교 농업생명과학대학 지역건설공학과) ;
  • 김용성 (강원대학교 농업생명과학대학 지역건설공학과)
  • Received : 2011.02.08
  • Accepted : 2011.03.07
  • Published : 2011.03.31
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Abstract

This study aimed to investigate the engineering characteristics of PVA fiber-cement-soil mixture used to prevent or reduce brittle failure of cement-soil mixtures due to the tensile strength increase from the addition of a synthetic fiber. The engineering characteristics of PVA fiber-cement-soil mixtures composed of PVA fiber, soil, and a small amount of cement was analysed on the basis of the compaction test, the unconfined compression test, the tensile strength test, the freezing and thawing test, and the wetting and drying test. The specimens were manufactured with soil, cement and PVA fiber. The cement contents was 2, 4, 6, 8, and 10%, and the fiber contents was 0.4, 0.6, 0.8, and 1.0% by the weight of total dry soil. To investigate the strength characteristics depending on age, each specimen was manufactured after curing at constant temperature and humidity room for 3, 7 and 28 days, after which the engineering characteristics of PVA fiber-cement-soil mixtures were investigated using the unconfined compression test, the tensile strength test, the freezing and thawing test, and the wetting and drying test. The basic data were presented for the application of PVA fiber-cement-soil mixtures as construction materials.

Keywords

References

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