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    철근 콘크리트보의 균열형상에 대한 고찰 = Investigation of Crack Shapes in Reinforced Concrete Beams

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    https://www.riss.kr/link?id=T8392735

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    다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

    In this paper , MIDAS GENw for commercial structural analysis program and Visual Basic 6.0 was applied to evaluate the crack width and crack shape of reinforced concrete beams without actual experiments.
    The results of this study were as follows :
    1. The cracks in flexural stress in modeling three elements(M4,M6 and M12) showed similar tendency. Meanwhile, M12 modeling results for the diagonal tension crack by shear showed good agreement with experimental results.
    Also, diagonal tension crack have occurred at the position of d, far from the support point. Consequently, it was confirmed that design standard for the calculation of control reinforcement against diagonal tension crack should be applied for the position d.
    2. In the analysis of failure behavior of beam, maximum crack widths with respect to each failure mode(e.g., flexural failure, diagonal tension failure) have been compared. It was found that failure behavior of beam was mainly affected by the flexural crack, rather than diagonal tension crack.


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    In this paper , MIDAS GENw for commercial structural analysis program and Visual Basic 6.0 was applied to evaluate the crack width and crack shape of reinforced concrete beams without actual experiments. The results of this study were as follows : 1...

    In this paper , MIDAS GENw for commercial structural analysis program and Visual Basic 6.0 was applied to evaluate the crack width and crack shape of reinforced concrete beams without actual experiments.
    The results of this study were as follows :
    1. The cracks in flexural stress in modeling three elements(M4,M6 and M12) showed similar tendency. Meanwhile, M12 modeling results for the diagonal tension crack by shear showed good agreement with experimental results.
    Also, diagonal tension crack have occurred at the position of d, far from the support point. Consequently, it was confirmed that design standard for the calculation of control reinforcement against diagonal tension crack should be applied for the position d.
    2. In the analysis of failure behavior of beam, maximum crack widths with respect to each failure mode(e.g., flexural failure, diagonal tension failure) have been compared. It was found that failure behavior of beam was mainly affected by the flexural crack, rather than diagonal tension crack.


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    목차 (Table of Contents)

    • 목차 = i
    • 그림목차 = iii
    • 표목차 = iv
    • 제1장 서론 = 1
    • 1.1 연구배경 및 목적 = 1
    • 목차 = i
    • 그림목차 = iii
    • 표목차 = iv
    • 제1장 서론 = 1
    • 1.1 연구배경 및 목적 = 1
    • 1.2 연구내용 및 범위 = 2
    • 제2장 이론적 배경 = 4
    • 2.1 기본적인 거동 = 4
    • 2.2 균열발생 기준 = 8
    • 2.2.1 강도 기준 = 8
    • 2.2.2 변형도 기준 = 9
    • 2.2.3 파괴에너지 기준 = 11
    • 2.3 허용 균열폭 = 17
    • 2.3.1 콘크리트 구조설계 기준 = 17
    • 제3장 철근 콘크리트보의 파괴형상 해석 = 20
    • 3.1 실험 및 수치해석 결과와의 비교를 위한 모델링 = 20
    • 3.2 비쥬얼 베이직을 사용한 균열폭 프로그래밍 = 22
    • 3.2.1 순서도 = 22
    • 3.2.2 프로그래밍 = 23
    • 3.2.3 프로그램 실행 결과 = 24
    • 3.3 비쥬얼 베이직을 사용한 균열형상 프로그래밍 = 25
    • 3.3.1 순서도 = 25
    • 3.3.2 프로그래밍 = 26
    • 3.4 해석결과 = 31
    • 3.4.1 실험데이터와의 하중- 변위 비교 = 31
    • 3.4.2 균열형상 = 32
    • 3.4.3 하중단계별 균열형상 비교 = 33
    • 3.4.4 하중지점/ 깊이비에 따른 균열형상 비교 = 35
    • 3.4.5 파괴모드에 따른 균열폭 비교 = 36
    • 제4장 결론 = 37
    • 참고 문헌 = 39
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