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Journal of the Korean Society of Hazard Mitigation 2005;5(1):69-76.
Published online March 31, 2005.
앵커볼트의 내력평가에 관한 실험적 연구
김성용, 한덕전, 신창훈
Strength of Anchors under Load Applied Angles
Sung-Yong Kim, Duck-Jeon Han, Chang-Hoon Shin
Abstract
The pull-out capacity of expansion anchor(heavy duty anchor and wedge anchor) was studied experimentally in this paper. Loading conditions included tension, shear, and combined tension and shear. The heavy duty anchor and wedge anchor were manufactured in domestic and installed In plain concrete. The failure mode of steel and concrete were studied carefully for the analytical formula of the anchorage design and the experimental data were compared with different models for the interaction of tension and shear capacities. Based on the research, the following conclusion may be drawn : The interaction of forces is well-described by an elliptical interaction relationship.
Key Words: heavy duty anchor; wedge anchor; load applied angles; tension; shear
요지
본 연구는 익스팬션(고하중 앵커와 웨지앵커)의 내력평가 하기 위한 실험적 연구이다. 하중조건은 인발, 전단 및 인발과 전단의 조합하중이다. 고하중 앵커와 웨지 앵커는 국내산 앵커를 사용하였으며, 무근콘크리트에 매입하였다. 앵커 파괴 및 콘크리트 파괴모드에 따른 기존의 앵커 설계식를 연구하였으며, 실험결과를 인발 및 전단내력의 상호작용에 관한 여러 모델들과 비교 분석하였다. 연구결과 다음과 같은 결론을 얻었다. 조합하중 작용 시 힘의 상호작용은 타원형 상호관계가 가장 적합한 것으로 판단된다.
핵심용어: 고하중 앵커; 웨지 앵커; 하중각도; 인발; 전단
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Related article in KOSHAM

Shear Strength of Anchors under Load Applied Angle and a Group Anchors at an Edge2003 September;3(3)



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