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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.24 No.1
- 발행연도
- 2019.1
- 수록면
- 85 - 94 (10page)
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초록· 키워드
오류제보하기
The ACI building code is allowing for higher strength reinforcement and concrete compressive strengths. The nominal strength of high-strength concrete columns is over predicted by the current ACI 318 rectangular stress block and is increasingly unconservative as higher strength materials are used. Calibration of a rectangular stress block to address this condition leads to increased computational complexity. A triangular stress block, derived from the general shape of the stressstrain curve for high-strength concrete, provides a superior solution. The nominal flexural and axial strengths of 150 highstrength concrete columns tests are calculated using the proposed stress distribution and compared with the predicted strength using various design codes and proposals of other researchers. The proposed triangular stress model provides similar level of accuracy and conservativeness and is easily incorporated into current codes.
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참고문헌 (32)
참고문헌 신청
2018 / ACI-ASCE Committee 441, Report on Equivalent Rectangular Concrete Stress Block and Transverse Reinforcement for High-strength Concrete Columns (ACI 441.1R-18)
2014 / ACI Committee 318, Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (318R-14) / American Concrete Institute
Al-Kamal, M. K. / 2019 / Nominal flexural strength of highstrength concrete beams / Adv. Concrete Constr 7(1):1~9
Azizinamini, A. / 1994 / Seismic behavior of square high-strength concrete columns / ACI Struct. J 91(3):336~345
Bae, S. / 2003 / Stress block parameters for highstrength concrete members / ACI Struct. J 100(5):626~636
2014 / ACI Committee 318, Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (318R-14) / American Concrete Institute
Al-Kamal, M. K. / 2019 / Nominal flexural strength of highstrength concrete beams / Adv. Concrete Constr 7(1):1~9
Azizinamini, A. / 1994 / Seismic behavior of square high-strength concrete columns / ACI Struct. J 91(3):336~345
Bae, S. / 2003 / Stress block parameters for highstrength concrete members / ACI Struct. J 100(5):626~636
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