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고온을 받는 고유동 콘크리트의 물리적 특성 평가
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  • 고온을 받는 고유동 콘크리트의 물리적 특성 평가
  • Assessment of Physical Properties of High-Flowability Concrete Subjected to Varied High Temperatures
저자명
정웅,최열,Jung. Woong,Choi. Yeol
간행물명
大韓建築學會論文集 : Journal of the architectural institute of Korea : Structure & construction / 構造系
권/호정보
2010년|26권 8호|pp.63-70 (8 pages)
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Generally concrete has a very good fire resistance. The use or interest of High-flowability concrete (HFC) has been increased in civil engineering in the last 25 years because HFC shows higher fluidity, filling ability and sufficient segregation resistance when its placing into the congested reinforcement or larger size of complex structural members without any vibration efforts. Therefore it is very necessary to assess the properties of HFC after fire exposures. This study describes laboratory experimental study on the physical properties of HFC subjected to three different exposure temperatures and three different exposure times. For this purpose 24 cylinders of HFC were tested. Mechanical properties such as residual compressive strength, axial deformation, mass loss and bulk modulus of elasticity were examined. Test results showed that the residual compressive strength, mass loss and elastic modulus were decreased with the increased temperature, and were showed a similar decreasing pattern those of normal strength concrete and high strength concrete.