저열 포틀랜드 시멘트 적용을 통한 SRC 교각 온도균열 제어

Thermal Crack Control of SRC Pier Using Low-Heat Portland Cement

  • 김태홍 (쌍용양회공업(주) 기술연구소 콘크리트연구실) ;
  • 하재담 (쌍용양회공업(주) 기술연구소 콘크리트연구실) ;
  • 유재상 (쌍용양회공업(주) 기술연구소 콘크리트연구실) ;
  • 이종열 (쌍용양회공업(주) 기술연구소)
  • 발행 : 2001.11.01

초록

SRC pier at KTE 6-1 construction area is a very important structure. Precise control of quality is needed. This pier has 3.50m$\times$3.73m section and 38.20m length. So this structure must be treated as mass concrete and thermal crack caused by hydration heat should be controled. In this project belite cement concrete is used to control the thermal crack. As a result of adapting belite cement concrete perfect control is achieved. Finally, hydration heat FEM analysis of horizontal element is executed for Ordinary Portland Cement concrete and belite cement concrete. In comparison of two results, it is confirmed that using low heat portland cement concrete is necessary.

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