콘크리트학회논문집 (Journal of the Korea Concrete Institute)

  • 제28권3호
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  • Pages.267-278
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  • 2016
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  • 1229-5515(pISSN)
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  • 2234-2842(eISSN)
한국콘크리트학회 (Korea Concrete Institute)
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전단경간비가 3 이하인 철근콘크리트 보의 스트럿-타이 모델 및 하중분배율(II) 타당성 평가

Strut-Tie Models and Load Distribution Ratios for Reinforced Concrete Beams with Shear Span-to-Effective Depth Ratio of Less than 3 (II) Validity Evaluation

  • Chae, Hyun-Soo (Technical Support Department, Hangil IT Co., LTD.) ;
  • Yun, Young Mook (Dept. of Civil Engineering, Kyungpook National University)
  • 투고 : 2015.05.25
  • 심사 : 2016.04.18
  • 발행 : 2016.06.30
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초록

이 논문에서는 저자가 제안한 전단경간비가 3 이하인 철근콘크리트 보의 부정정 스트럿-타이 모델 및 하중분배율을 이용하여 파괴실험이 수행된 335개 철근콘크리트 보의 극한강도를 평가하였다. 또한 이들 보의 극한강도를 실험 전단강도모델에 기초한 설계기준, 이론 전단강도모델에 기초한 설계기준, 그리고 현행 스트럿-타이 모델 설계기준 등으로 평가하였다. 각 설계기준 및 이 연구의 방법에 의한 극한강도 평가결과를 비교분석하여 저자가 제안한 부정정 스트럿-타이 모델 및 하중분배율의 타당성을 검증하였다.

In this study, the ultimate strength of 335 simply supported reinforced concrete beams with shear span-to-effective depth ratio of less than 3 was evaluated by the ACI 318-14's strut-tie model approach implemented with the indeterminate strut-tie models and load distribution ratios of the companion paper. The ultimate strength of the beams was also estimated by using the experimental shear strength models, the theoretical shear strength models, and the current strut-tie model design codes. The validity of the proposed strut-tie models and load distribution ratios was examined by comparing the strength analysis results classified according to the prime design variables of the shear span-to-effective depth ratio, flexural reinforcement ratio, and compressive strength of concrete.

키워드

참고문헌

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