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工程力学  2014 

基于截面组合法和截面弹簧刚度考虑跨内塑性铰的钢框架高等分析

DOI: 10.6052/j.issn.1000-4750.2012.11.0853, PP. 203-209

Keywords: 钢框架,跨内塑性铰,截面组合法,截面弹簧刚度,分布荷载

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Abstract:

采用截面组合法推导工字形或H形截面的屈服方程,并在端部和跨内分别假想有一个零长度的弹簧考虑截面的刚度,提出了有分布荷载作用的杆件仅使用一个单元就能准确模拟跨内塑性铰的钢框架高等分析方法。通过对引入的非节点自由度进行凝聚,使得所提出的单元与常规单元具有相同的节点自由度。该方法还利用稳定函数考虑单元的剪切变形和几何非线性、初始屈服方程中考虑残余应力、折减弹性模量法考虑初始缺陷。算例结果表明,采用所提出的方法可得到高效率和高精度的结果。

References

[1]  American Institute of Steel Construction (AISC). Load and resistance factor design (LRFD): Specification for structural steel building [S]. Chicago, IL, 1986.
[2]  Orbison J G, Mcguire W, Abel J F. Yield surface applications in nonlinear steel frame analysis [J]. Computer Methods in Applied Mechanics and Engineering, 1982, 33(1): 557―573.
[3]  Chan S L, Chui P P T. A generalized design-based elastoplastic analysis of steel frames by section assemblage concept [J]. Engineering Structures, 1997, 19(8): 628―636.
[4]  Liew J Y R, White D W, Chen W F. Second-order refined plastic hinge analysis of frame design, part 1 [J]. Journal of Structural Engineering, ASCE, 1993, 119(11): 3196―3216.
[5]  Kim S E, Chen W F. Practical advanced analysis for braced steel frames design [J]. Journal of Structural Engineering, ASCE, 1996, 122(11): 1266―1274.
[6]  陈惠发. 钢框架稳定设计[M]. 周绥平, 译. 上海: 世界图书出版社, 1999: 76―80.
[7]  Chen W F. Stability design of steel frames [M]. Translated by Zhou Suiping. Shanghai: World Publishing Corporation, 1999: 76―80. (in Chinese)
[8]  Chan S L, Chui P P T. Non-linear static and cyclic analysis of semi-rigid steel frames [M]. Oxford: Elsevier Science, 2000.
[9]  European Convention for Constructional Steelwork (ECCS). Ultimate limit state calculation of sway frames with rigid joints [S]. Brussel, 1984.
[10]  陈惠发. 梁柱分析与设计(第1卷), 平面问题特性及设计[M]. 北京: 人民交通出版社, 1997: 456―460.
[11]  Chen W F. Analysis and design of beam-column, volume (I), planar problem characteristic and design [M]. Beijing: China Communications Press, 1997: 456―460. (in Chinese)
[12]  Kim S E, Chen W F. Practical advanced analysis for unbraced steel frames design [J]. Journal of Structural Engineering, ASCE, 1996, 122(11): 1259―1265.
[13]  Kassimali A. Large deformation analysis of elastic-plastic frames [J]. Journal of Structural Engineering, ASCE, 1983, 109(8): 1869―1886.
[14]  Vogel U. Calibrating frames [J]. Stahlbau, 1985, 10(10): 1―7.
[15]  Liew J Y R. Advanced analysis for frame design [D]. West Lafayette, IL: School of Civil Engineering, Purdue University, 1992.

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