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Blended 섬유를 사용한 양수 댐 표면 차수벽 콘크리트의 수축 특성
우상균 ( Woo Sang-kyun ),송영철 ( Song Young-chul ),원종필 ( Won Jong-pil ) 한국구조물진단유지관리공학회 2008 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.12 No.1
The main purpose of this research was to enhance the durability in both the design and construction of dams. Especially, in case of rockfill dams, the durability of face slab concrete in a concrete-faced rockfill dam(CFRD) is achieved by optimizing the fly ash replacement for cement and application of blended fiber. The effect on durability and shrinkage property corresponding to the increasing replacement of fly ash and application of blended fiber was evaluated, and the optimum value of fly ash replacement and blended fiber application was recommended. The results show that 15% of fly ash replacement and 0.9kg/m<sup>3</sup> of blended fiber application was found to be an optimum level and demonstrated excellent performance in durability and shrinkage property.