Proceedings of the Korean Institute of Building Construction Conference (한국건축시공학회:학술대회논문집)

The Korean Institute of Building Construction (한국건축시공학회)
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Analysis of Autogenous Shrinkage Properties of High Strength Mortar in Relation to the Time and Rate of Mixing ERBO

ERBO 혼입율 및 혼입시기 변화에 따른 고강도 모르타르의 자기수축 특성분석

  • 김태우 (청주대학교 건축공학과) ;
  • 백철 (청주대학교 건축공학과) ;
  • 현승용 (청주대학교 건축공학과) ;
  • 이제현 (청주대학교 건축공학과) ;
  • 한민철 (청주대학교 건축공학과) ;
  • 한천구 (청주대학교 건축공학과)
  • Published : 2017.05.17
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Abstract

This study aims to analyze the high strength mortar's fundamental properties and autogenous shrinkage properties by taking into consideration the result of the previous study in which it was found that ERBO(Biodiesel) exercises greatest effect on the expansion effect of mortar, and changing the time and rate of mixing the ERBO. A total of five levels were set as experimental variables: the three levels of the rate of ERBO, 0, 0.5, 1.0%, and the two levels of the time of mixing the ERBO: first, adding the ERBO with the mixing water and mixing it before, and second, mixing it after the mortar is completely mixed. It was found that the rate of length change decreased as the rate of ERBO increased, and the rate of length change was lower when the ERBO was mixed sooner.

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