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균열발생 후 철근부식을 고려한 철근콘크리트 인장부재의 균열거동

Title
균열발생 후 철근부식을 고려한 철근콘크리트 인장부재의 균열거동
Other Titles
Crack Behavior of Reinforced Concrete Tension Member under Steel Corrosion after Cracking
Author
노삼영
Keywords
부착응력; 슬립; 균열폭; 부식모델; 탄산화; 환경조건; Bond Stress; Slip; Crack Width; Corrosion Model; Carbonation; Environmental Condition
Issue Date
2007-09
Publisher
대한건축학회
Citation
대한건축학회 논문집 - 구조계, v. 23, No. 9, Page. 99 - 106
Abstract
The formation of cracks in the reinforced concrete member is generally prerequisite. Therefore structural building codes suggest prediction formulas and limits of crack width for the durability and the serviceability of structures in which steel corrosion can be initiated through the cracks. The crack behavior of a reinforced tension member has been theoretically more or less mastered, although the accuracy of the prediction formulas for crack width suggested building codes is questionable. Additionally influence of steel corrosion indicated by concrete cracks on the crack width have not been referred. The aim of this study is the analysis of the crack behavior of a crack element between two cracks under steel corrosion after the crack formation. For this purpose a bond-slip relation was numerically modelled based on steel corrosion test results by other researchers. With the bond model and other effects due to the steel corrosion, the crack element was numerically analyzed. As results, bond stress, slip, steel stress and crack width in a crack element could be obtained in dependence on the corrosion duration of reinforced concrete structural members.
URI
http://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE00881677&language=ko_KRhttps://repository.hanyang.ac.kr/handle/20.500.11754/106970
ISSN
1226-9107
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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