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고강도 콘크리트의 폴리머수지 혼입율 변화에 따른 내화특성 검토
( Pei Chang-chun ),허영선 ( Heo Young-sun ),이보형 ( Lee Bo-hyeong ),한창평 ( Hann Chang-pyung ),양성환 ( Yang Seong-hwan ),한천구 ( Han Cheon-goo ) 한국구조물진단유지관리공학회 2007 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.11 No.1
This study investigates spalling appearance and residual compressive strength after examination of fundamental properties on the concrete and fire test to prevent spalling of the concrete. Test results showed that fluidity, air content, and compressive strength are excellent in the case that polyethylene Polyvinyl Acetate and polyvinyl alcohol fiber was mixed. After fire test, it is analyzed that using polyvinyl alcohol fiber is effective considering spalling property.
고강도 콘크리트의 폴리머수지 혼입율 변화에 따른 내화특성 검토
裵長春(Pei Chang-Chun),허영선(Heo Young-Sun),이보형(Lee Bo-Hyeong),한창평(Hann Chang-Pyung),양성환(Yang Seong-Hwan),한천구(Han Cheon-Goo) 한국구조물진단유지관리학회 2007 한국구조물진단학회 학술발표회논문집 Vol.11 No.1
This study investigates spalling appearance and residual compressive strength after examination of fundamental properties on the concrete and fire test to prevent spalling of the concrete. Test results showed that fluidity, air content, and compressive strength are excellent in the case that polyethylene Polyvinyl Acetate and polyvinyl alcohol fiber was mixed. After fire test, it is analyzed that using polyvinyl alcohol fiber is effective considering spalling property.
고강도 콘크리트의 섬유 종류 변화에 따른 내화특성 검토
송용원(Song Yong-Won),박용규(Park Yong-Kyu),한창평(Hann Chang-Pyung),이성연(Lee Seong-Yeun),양성환(Yang Seong-Hwan),한천구(Han Cheon-Goo) 한국구조물진단유지관리학회 2007 한국구조물진단학회 학술발표회논문집 Vol.11 No.1
This study investigated fundamental and spalling resistance properties of the high strength concrete that W/B was 25% designed with the various types, contents, and aspect ratios, and the results were summarized following. The test showed that increase of polypropylene(PP) fiber content and aspect ratio of PP fiber decreased the fluidity Of fresh concrete. The properties of the harden concrete, although they were decreased some little according to increase of fiber contents on the high strength concrete, the various types and aspect ratios did not influence big in strength. The spalling properties after fire resistance examination, 0.05% content and 750 aspect ratio of nylon fiber could prevent spalling phenomenon, and it was the best condition on fluidity, strength, spalling resistance, and economic side.
고강도 콘크리트의 섬유 종류 변화에 따른 내화특성 검토
송용원 ( Song Yong-won ),박용규 ( Park Yong-kyu ),한창평 ( Hann Chang-pyung ),이성연 ( Lee Seong-yeun ),양성환 ( Yang Seong-hwan ),한천구 ( Han Cheon-goo ) 한국구조물진단유지관리공학회 2007 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.11 No.1
This study investigated fundamental and spalling resistance properties of the high strength concrete that W/B was 25% designed with the various types, contents, and aspect ratios, and the results were summarized following. The test showed that increase of polypropylene(PP) fiber content and aspect ratio of PP fiber decreased the fluidity Of fresh concrete. The properties of the harden concrete, although they were decreased some little according to increase of fiber contents on the high strength concrete, the various types and aspect ratios did not influence big in strength. The spalling properties after fire resistance examination, 0.05% content and 750 aspect ratio of nylon fiber could prevent spalling phenomenon, and it was the best condition on fluidity, strength, spalling resistance, and economic side.