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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.67 No.5
- 발행연도
- 2018.1
- 수록면
- 439 - 455 (17page)
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Within a probabilistic framework, this paper addresses the determination of the static structural response of beams and frames with partially restrained (semi-rigid) connections. The flexibility of the nodal connections is incorporated via an idealized linear-elastic behavior of the beam constraints through the use of rotational springs, which are here considered uncertain for taking into account the largely scattered results observed in experimental findings. The analysis is conducted via the Probabilistic Transformation Method, by modelling the spring stiffness terms (or equivalently, the fixity factors of the beam) as uniformly distributed random variables. The limit values of the Eurocode 3 fixity factors for steel semi-rigid connections are assumed. The exact probability density function of a few indicators of the structural response is derived and discussed in order to identify to what extent the uncertainty of the beam constraints affects the resulting beam response. Some design considerations arise which point out the paramount importance of probability-based approaches whenever a comprehensive experimental background regarding the stiffness of the beam connection is lacking, for example in steel frames with semi-rigid connections or in precast reinforced concrete framed structures. Indeed, it is demonstrated that resorting to deterministic approaches may lead to misleading (and in some cases non-conservative) outcomes from a design viewpoint.
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참고문헌 (44)
참고문헌 신청
Abdalla, K.M. / 1995 / Expanded database of semirigid steel connections / Comput. Struct. 56(4):553~564
Adhikari, S. / 1999 / Dynamic analysis of framed structures with statistical uncertainties / Int. J. Numer. Meth. Eng. 44(8):1157~1178
Agel, P. / 2014 / Semi-rigid joint of timber-concrete composite beams with steel plates and convex nails / Wood Res. 59(3):491~498
AISC (American Institute of Steel Construction) / 1994 / LRFD, Manual of Steel Construction, Load and Resistance Factor Design, 2nd Edition
Amadio, C. / 2006 / Probabilistic Analysis of a PR Steel-Concrete Composite Frame;STESSA 2006-Mazzolani & Wada (eds.) / Taylor & Francis Group
Adhikari, S. / 1999 / Dynamic analysis of framed structures with statistical uncertainties / Int. J. Numer. Meth. Eng. 44(8):1157~1178
Agel, P. / 2014 / Semi-rigid joint of timber-concrete composite beams with steel plates and convex nails / Wood Res. 59(3):491~498
AISC (American Institute of Steel Construction) / 1994 / LRFD, Manual of Steel Construction, Load and Resistance Factor Design, 2nd Edition
Amadio, C. / 2006 / Probabilistic Analysis of a PR Steel-Concrete Composite Frame;STESSA 2006-Mazzolani & Wada (eds.) / Taylor & Francis Group
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