International Journal of Concrete Structures and Materials

Korea Concrete Institute (한국콘크리트학회)
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Mechanical and Durability Performance of Roller-Compacted Concrete with Fly Ash for Dam Applications

  • Park, Chan-Gi (Dept. of Rural Construction Engineering, Kongju National University) ;
  • Yoon, Jong-Whan (Dept. of Civil and Environmental System Engineering, Konkuk University) ;
  • Kim, Wan-Young (Dept. of Dam Engineering Research Center, Korea Institute of Water and Environment) ;
  • Won, Jong-Pil (Dept. of Civil and Environmental System Engineering, Konkuk University)
  • Published : 2007.12.30
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Abstract

This study investigated the mechanical and durability performance of roller-compacted concrete (RCC) with fly ash for dam applications. A test program studied the effects on the properties of fresh and hardened RCC with fly ash replacement ratio, as well as the long-term durability of the resulting mixture. Fly ash replaced 20, 30, 40, and 50% by mass of the cement. Laboratory tests of the compressive strength, splitting tensile strength, shear strength, chloride ion permeability, abrasion, and drying shrinkage were conducted. The test results demonstrated that 30% fly ash replacement is an optimum level, and that this mixture has excellent mechanical and durability properties.

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References

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