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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Kang-Sik (KEPCO Research Institute, Korea Electric Power Corporation) An, Gyeong-Hee (Department of Civil Engineering, KAIST) Kim, Jin-Keun (Department of Civil Engineering, KAIST) Lee, Kwang-soo (Department of Architectural Engineering, Yeoju Institute of Technology)
저널정보
한국전력공사 KEPCO Journal on electric power and energy KEPCO Journal on electric power and energy 제5권 제3호
발행연도
2019.1
수록면
201 - 207 (7page)

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An anchorage system is essential for most reinforced concrete structures to connect building components. Therefore, the prediction of strength of the anchor is very important issue for safety of the structures themselves as well as structural components. The prediction models in existing design codes are, however, not applicable for large anchors because they are based on the small size anchors with diameters under 50 mm. In this paper, new prediction models for strength of a single anchor, especially the tensile strength of a single anchor, is developed from the experimental results with consideration of size effect. Size effect in the existing models such as ACI or CCD method is based on the linear fracture mechanics which is very conservative way to consider the size effect. Therefore, new models are developed based on the nonlinear fracture mechanics rather than the linear fracture mechanics for more reasonable prediction. New models are proposed by the regression analysis of the experimental results and it can predict the tensile strength of both small and large anchors.

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