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전단보강근이 없는 강섬유 보강 합성보의 휨 거동에 대한 실험연구
남영길(Nam Young-Gil),최종식(Choi Jong-Sik),김정해(Kim Jeong-Hae),오영훈(Oh Young-Hun),안병익(Ahn Byung-Ik) 한국구조물진단유지관리학회 2006 한국구조물진단학회 학술발표회논문집 Vol.10 No.1
Recently, it is interested in composit and hybrid structural systems because these could make the effective structural members and systems through the reasonable combination of structural materials. The objective of this study is to investigate the flexure and shear strength of composite beam using steel fiber concrete and angle. For this purpose, five composite beams are constructed and tested. Based on the results, both steel fiber and angle can increase the strength. Howevre, ductile behavior could be feasible for adequate tensile reinforcement ratio. Therefore, it is considered that the composite beam system could achieve the desirable behavior with ductile manner.
전단보강근이 없는 강섬유 보강 합성보의 휨 거동에 대한 실험연구
남영길 ( Nam Young-gil ),최종식 ( Choi Jong-sik ),김정해 ( Kim Jeong-hae ),오영훈 ( Oh Young-hun ),안병익 ( Ahn Byung-ik ) 한국구조물진단유지관리공학회 2006 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.10 No.1
Recently, it is interested in composit and hybrid structural systems because these could make the effective structural members and systems through the reasonable combination of structural materials. The objective of this study is to investigate the flexure and shear strength of composite beam using steel fiber concrete and angle. For this purpose, five composite beams are constructed and tested. Based on the results, both steel fiber and angle can increase the strength. However, ductile behavior could be feasible for adequate tensile reinforcement ratio. Therefore, it is considered that the composite beam system could achieve the desirable behavior with ductile manner.
강섬유 보강 콘크리트의 휨강도 및 휨인성 특성에 관한 연구
최종식 ( Choi Jong-sik ),남영길 ( Nam Young-gil ),김정해 ( Kim Jeong-hae ),오영훈 ( Oh Young-hun ),안병익 ( Ahn Byung-ik ) 한국구조물진단유지관리공학회 2006 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.10 No.1
The purpose of this study is to investigate the mechanical properties of flexural strength and toughness index of concrete with steel fiber. For this purpose, total 42 specimens which have some variables such as two level of concrete compressive strength; 30MPa, 50MPa, and two aspect ratio; 62, 72, and volume contents of steel fiber; 0%, 1%, 1.5%, 2%, 3%. From the result of experimental test, flexural strength and toughness index of steel fiber concrete are much enhanced with respect to the fiber volume content and the aspect ratio.
전단보강근이 없는 강섬유 보강 합성보의 전단-휨내력에 관한 연구
김정해(Kim Jeong-Hae),남영길(Nam Young-Gil),최종식(Choi Jong-Sik),오영훈(Oh Young-Hun),안병익(Ahn Byung-Ik) 한국구조물진단유지관리학회 2006 한국구조물진단학회 학술발표회논문집 Vol.10 No.1
Recently, it is interested in composit and hybrid structural systems because these could make the effective structural members and systems through the reasonable combination of structural materials. The objective of this study is to compare the experimental strength of composite beams using steel fiber and angle with the suggested equations by previous studies. And it is to analyze the interaction of shear and flexure. For this purpose, seven specimens which are composed with a conventional RC beam without stirrup, RC beam with steel fiber and composite beam with steel fiber are constructed and tested. Based on the results, presence of steel fibers can inhibit the chance of brittle shear failure. Also the shear strength equation by Khuntia et a1, represents the experimental data better.