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철근콘크리트 T형 교량 재하시험을 통한 FRP외부 부착공법의 보강성능 검증

Title
철근콘크리트 T형 교량 재하시험을 통한 FRP외부 부착공법의 보강성능 검증
Other Titles
Improvement of Structural Performance of Concrete T-Beam Bridge Strengthened with Fiber Reinforced Plastics
Author
심종성
Keywords
deteriorated RC T type bridge; GFRP; CFS; AFS; 노후된 RC 교량; 유리섬유보강재; 탄소섬유보강재; 아라미드섬유보강재
Issue Date
2005-01
Publisher
대한토목학회
Citation
대한토목학회논문집 A, v. 25, No. 1, Page. 143 - 151
Abstract
탄소섬유, 유리섬유 및 아라미드 보강공법의 보강성능을 평가하기 위해서 철근콘크리트 T형 교량의 현장재하실험을 수행하였다. 재하실험시 하중재하방법은 콘크리트 블록을 교량 상판에 적재하는 방식으로 하였다. 재하실험 중 교량의 중앙부 처짐, 철근 및 보강재의 변형률을 계측하였다. 재하실험결과 아라미드, 탄소섬유 및 유리섬유 보강공법의 보강성능을 검증할 수 있었으며, 기존의 강도설계법에 기초한 보강설계방안의 적정성을 확인하였다. 또한 콘크리트 블록을 이용한 하중재하방식을 이용함으로써 안전하며, 경제적인 재하실험이 가능하였다. In this study, a static load tests were performed on concrete T-beams bridge to evaluate strengthening performance of Carbon Fiber Sheet, Glass Fiber Reinforced Plastics, and Aramid Fiber Sheet. Concrete weight blocks were used for loading method. Strain of re-bar and strengthening materials and displacement of bridge at mid-span were measured during the test. As a results of the test, the structural capacity and performance of bridge were enhanced with CFS, GFRP and AFS. It is concluded that the strengthening design by ultimate strength method can be successfully used for actual full scale bridges which are strengthened with external FRP bonding. Also, loading method using concrete weight blocks is safe, economical and feasible to measure the behavior of structures under loads exceeding their expected capacities.
URI
http://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE01224578&language=ko_KRhttps://repository.hanyang.ac.kr/handle/20.500.11754/110126
ISSN
1015-6348
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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