The Properties of Strength Development of High Volume Fly Ash Concrete with Reduction of Unit Water Content

단위수량 저감에 따른 하이볼륨 플라이애시 콘크리트의 강도 발현 특성

  • Received : 2014.02.28
  • Accepted : 2014.03.25
  • Published : 2014.03.30


In this study, strength development properties of high volume fly ash concrete was evaluated through compressive strength of concrete with reduction of unit water content. And concrete specimens were prepared according to target strength 3 level and variation of unit water content. As a result, the improved fluidity were obtained as a result of the ball bearing action of the spherical, the electrostatic repulsion and the particle size distribution of fly ash particles in case of using more than 50% fly ash. Through this, the mixture of fly ash has been shown to reduce the amount of water required in concrete. Also, the early strength of high volume fly ash concrete with reduction of unit water content was improved more about 66% than general concrete mixture.


High Volume Fly Ash;Early Strength;Unit Water Content;Strength Development


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Supported by : 한국에너지기술평가원(KETEP)