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혼화재사용 콘크리트의 조기강도 발현에 미치는 CSA의 영향
배장춘(Pei Chang-Chun),이건철(Lee Gun-Cheol),박재명(Park Jae Myoung),이세현(Lee Se Hyoen),한천구(Han Cheon-Goo) 한국구조물진단유지관리학회 2005 한국구조물진단학회 학술발표회논문집 Vol.- No.-
This study reported the influence of CSA admixture affecting early-age strength formation of concrete. According to test results, slump of plain concrete shows that fluidity was decreased due to increase of displacement ratio. It also decreased with setting time. All specimens had successful air content and bleeding was declined due to small percentage of water to binder ratio and high percentage of CSA ratio. Setting time was promoted 3 to 6hours in 35% of W/B and 2 to 4hours in 45% of W/B. As properties of compressive strength, plain concrete was significantly dwindled, compared with that of OPC, at the early age. However, plain proportion incorporating CSA admixture much improved early-age strength reduction.
혼화재사용 콘크리트의 조기강도 발현에 미치는 CSA의 영향
배장춘 ( Pei Chang-chun ),이건철 ( Lee Gun-cheol ),박재명 ( Park Jae Myoung ),이세현 ( Lee Se Hyoen ),한천구 ( Han Cheon-goo ) 한국구조물진단유지관리공학회 2005 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.9 No.1
This study reported the influence of CSA admixture affecting early-age strength formation of concrete. According to test results, slump of plain concrete shows that fluidity was decreased due to increase of displacement ratio. It also decreased with setting time. All specimens had successful air content and bleeding was declined due to small percentage of water to binder ratio and high percentage of CSA ratio. Setting time was promoted 3 to 6hours in 35% of W/B and 2 to 4hours in 45% of W/B. As properties of compressive strength, plain concrete was significantly dwindled, compared with that of OPC, at the early age. However, plain proportion incorporating CSA admixture much improved early-age strength reduction.