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스테인레스 스틸 와이어 메쉬로 보강된 RC 휨부재의 파괴거동 원문보기
Fracture Behavior of RC Flexural Member Strengthened with Stainless Steel Wire Mesh

  • 저자

    이준성

  • 학위수여기관

    昌原大學校 産業·情報大學院

  • 학위구분

    국내석사

  • 학과

    토목공학과 토목공학전공

  • 지도교수

  • 발행년도

    2004

  • 총페이지

    68p.

  • 키워드

    스테인레스 스틸 와이어 메쉬 보강 RC 휨부재 교량;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T9471464&outLink=K  

  • 초록

    Various techniques are used to restore the load carrying capacity of reinforced concrete flexural members. They include active strengthening such as external post tensioning and passive strengthening such as bonding steel plates or carbon fiber sheets. In this paper, the flexural failure behavior of reinforced concrete flexural members strengthened with stainless steel wire meshes were theoretically and experimentally investigated. Total 12 specimens were tested with hydraulic servo-controlled loading system of 50ton capacity. Longitudinal steel reinforcement ratio and anchorage length of the wire mesh were selected as the main test variables. Yield loads, ultimate loads, deflection, and the steel strain were measured and compared with the theoretical predictions. Test results showed that the strengthening effect can be greatly affected by the labor skills such as stretching and anchoring the wire meshes. Further researches are needed to derive the more accurate and reasonable strengthening design procedure, which will be very valuable in the field of safety evaluation and rehabilitation of existing RC bridges.


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