홈 > 주제분류 > aa > International Journal of Concrete Structures and Materials > International Journal of Concrete Structures and Materials : Vol.10 No.4
  • Prediction of Shear Strength for Large Anchors Considering the Prying Effect and Size Effect
  • 분 류 연구문헌 - 학회논문 - 논문
  • ISSN 1976-0485
  • 저자 Kangsik Kim, Kwangsoo Lee, Gyeonghee An
  • 페이지 pp.451~460
  • 수록지 International Journal of Concrete Structures and Materials : Vol.10 No.4
  • 발행년도 2016년 - 12월
  • 소장위치 토목연구정보센터
  • 통제번호 1950305
  • 키워드 large, anchor, shear, strength, CCD, method, 45, degree, cone, method, bolt, diameter, embedment, depth, edge, distance, prying, effect, size, effect
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초록

An anchorage system is necessary in most reinforced concrete structures for connecting attachments. It is very important to predict the strength of the anchor to safely maintain the attachments to the structures. However, according to experimental results, the existing design codes are not appropriate for large anchors because they offer prediction equations only for small size anchors with diameters under 50 mm. In this paper, a new prediction model for breakout shear strength is suggested from experimental results considering the characteristics of large anchors, such as the prying effect and size effect. The proposed equations by regression analysis of the derived model equations based on the prying effect and size effect can reasonably be used to predict the breakout shear strength of not only ordinary small size anchors but also large size anchors

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