대한토목학회논문집 (KSCE Journal of Civil and Environmental Engineering Research)

  • 제34권2호
  • /
  • Pages.437-446
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  • 2014
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  • 1015-6348(pISSN)
  • /
  • 2799-9629(eISSN)
대한토목학회 (Korean Society of Civil Engeneers)
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3차원 격자요소를 활용한 콘크리트 구조부재의 스트럿-타이 모델 설계 방법 - (II) 타당성 평가

Strut-Tie Model Approach Associated with 3-Dimensional Grid Elements for Design of Structural Concrete - (II) Validity Evaluation

  • 김병헌 (현대엔지니어링 구조부) ;
  • 윤영묵 (경북대학교 건축토목공학부)
  • 투고 : 2012.12.15
  • 심사 : 2013.10.11
  • 발행 : 2014.04.01
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⟨ 이전 논문 다음 논문 ⟩

초록

현 논문에서는 전편 논문에서 제안한 3차원 격자요소를 활용하는 스트럿-타이 모델 방법의 타당성 및 효율성을 검증하기 위해 파괴실험이 수행된 13개의 슬래브-기둥 접합부 및 51개의 비틀림 보 등의 극한강도를 평가하였으며, 또한 3축 방향의 하중을 받는 교각코핑부에 대한 설계를 수행하였다. 현 연구의 방법에 의한 철근콘크리트 슬래브-기둥 접합부 및 비틀림 보의 극한강도 평가결과는 실험결과, ACI 318 설계기준을 비롯한 세계 주요설계기준, 그리고 몇몇 연구자의 방법에 의한 평가결과 등과 비교하여 현 연구방법의 타당성을 검증하였다. 교각코핑부의 설계결과는 ACI 318 설계기준의 단면법 및 AASHTO-LRFD의 스트럿-타이 모델 설계기준에 의한 설계결과와 비교하여 그 결과의 타당성을 검토하였다.

In this study, the ultimate strengths of 13 slab-column joints and 51 torsional beams were evaluated to verify the validity of the strut-tie model approach presented in the companion paper. In addition, the design of the bridge pier subjected to multiple load combinations with longitudinal and lateral loads was conducted. The analysis results were compared with those by the provisions of BS 8110, ACI 318, and AASHTO-LRFD. The design results of the bridge pier were also compared with those by the provisions of ACI 318's sectional design method and AASHTO-LRFD's strut-tie model method.

키워드

참고문헌

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