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Journal of the Korean Society of Hazard Mitigation 2003;3(3):133-142.
Published online September 30, 2003.
앵커간격 및 하중방향에 따른 앵커의 전단내력
김성용
Shear Strength of Anchors under Load Applied Angle and a Group Anchors at an Edge
Sung-Yong Kim
Abstract
This study concerns the prediction of shear capacity, as governed by concrete breakout failure of the anchors under load applied angle and an group anchors at an edge and installed in uncracked, unreinforced concrete. For this purpose, the methods to evaluate the shear capacity of the anchors in concrete are summarized and the experimental data are compared with capacities by the two present methods: the method of ACI 349-90 and concrete capacity design (CCD) method.
Key Words: Heavy-duty Anchor; Wedge Anchor; Shear Strength; Group Anchor; Load Applied Angle
요지
본 연구는 비균열 무근콘크리트에 매입된 앵커의 앵커간격 및 하중방향에 따른 전단내력 평가를 목적으로 하고 있다. 이를 위하여 앵커의 전단내력 설계식을 비교 평가하였으며, 실험값과 기존의 설계식의 예측값을 비교 분석하였다. 그 결과, 앵커간격 및 하중방향에 따른 CCD 방법 및 EOTA 설계식은 합리적인 설계방법임을 알 수 있었다.
핵심용어: 고하중 앵커; 웨지 앵커; 전단강도; 앵커군; 하중방향
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