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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.19 No.4
- 발행연도
- 2015.1
- 수록면
- 811 - 827 (17page)
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This paper presents a probabilistic investigation of American and European specifications (i.e., AISC and Eurocode 4) for square concrete-filled steel tubular (CFT) stub columns. The study is based on experimental results of 100 axially loaded square CFT stub columns from the literature. By comparing experimental results for ultimate loads with code-predicted column resistances, the uncertainty of resistance models is analyzed and it is found that the modeling uncertainty parameter can be described using random variables of lognormal distribution. Reliability analyses were then performed with/without considering the modeling uncertainty parameter and the safety level of the specifications is evaluated in terms of sufficient and uniform reliability criteria. Results show that: (1) The AISC design code provided slightly conservative results of square CFT stub columns with reliability indices larger than 3.25 and the uniformness of reliability indices is no better because of the quality of the resistance model; (2) The uniformness of reliability indices for the Eurocode 4 was better than that of AISC, but the reliability indices of columns designed following the Eurocode 4 were found to be quite below the target reliability level of Eurocode 4.
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참고문헌 (23)
참고문헌 신청
American Institute of Steel Construction / 2005 / Load and resistance factor design (LRFD) specification for structural steel buildings / American Institute of Steel Construction
Ang, A.H.-S. / 2006 / Probability Concepts in Engineering: Emphasis on Applications to Civil and Environmental Engineering / John Wiley & Sons
Bartlett, F.M. / 1996 / Statistical analysis of compressive strength of concrete in structures / ACI Mater. J 93(2):158~168
Beck, A. T. / 2009 / Reliability-based evaluation of design code provisions for circular concrete-filled steel columns / Eng. Struct 31(10):2299~2308
Cai, J. / 2006 / Axial load behavior of square CFT stub column with binding bars / J. Constr. Steel Res 62(5):472~483
Ang, A.H.-S. / 2006 / Probability Concepts in Engineering: Emphasis on Applications to Civil and Environmental Engineering / John Wiley & Sons
Bartlett, F.M. / 1996 / Statistical analysis of compressive strength of concrete in structures / ACI Mater. J 93(2):158~168
Beck, A. T. / 2009 / Reliability-based evaluation of design code provisions for circular concrete-filled steel columns / Eng. Struct 31(10):2299~2308
Cai, J. / 2006 / Axial load behavior of square CFT stub column with binding bars / J. Constr. Steel Res 62(5):472~483
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