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基于OpenSees的RC平面框架抗倒塌试验模拟与分析(之二)

The simulation and analysis of the plane RC frame collapse-resistant test based on Open Sees
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摘要 基于Open Sees分析平台,以位移控制方法加载,对湖南大学平面框架抗倒塌试验进行非线性静力抗倒塌数值模拟,验证了Open Sees几何非线性分析方法及约束处理方法的有效性。给出梁柱构件的轴力图,分析梁、柱截面弯矩-曲率、P-M相关曲线,确定了基于变形的屈服准则,通过对模拟结果的后处理得出了平面框架的塑性铰分布及发展情况;提取梁柱单元内力,根据轴力及弯矩包络曲线考察梁柱内力变化规律。通过数值分析,深入探讨了框架结构的抗倒塌机制和抗力分布情况。 Based on the analysis platform of Open Sees,the collapse-resistant test of plane reinforced concrete frame of Hu Nan University was simulated by the method of non-linear static analysis and the displacement-control load mode was used. The efficiency of geometrically nonlinear analysis and constraint treatment of Open Sees was verified. The axial force diagrams of beam and column were given,the moment-curvature curve and P M curve were analyzed,and the yield criterion based on deformation was established; the plastic hinge distribution and development of plane framework were obtained through the post-processing of simulation results. The internal force of beam and column were extracted to investigate the change law of internal force about beam and column through axial force and moment envelope curve. The collapse-resistant mechanism and the resistance distribution was explained more clearly through numerical analysis.
出处 《四川建筑科学研究》 2014年第6期72-76,共5页 Sichuan Building Science
关键词 协同转动法 塑性铰分布 悬索机制 co-rotational plastic hinge distribution catenary action
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  • 1吕和祥,朱菊芬,马莉颖.大转动梁的几何非线性分析讨论[J].计算结构力学及其应用,1995,12(4):485-490. 被引量:35
  • 2周凌远,李乔.基于UL法的CR列式三维梁单元计算方法[J].西南交通大学学报,2006,41(6):690-695. 被引量:20
  • 3刘放尧,孟茁超.用共旋坐标有限元法分析高层建筑框架结构的二阶效应[J].湖南城市学院学报(自然科学版),2007,16(1):1-5. 被引量:1
  • 4韩来彬.MATLAB有限元分析与应用[M].北京:清华大学出版社.2004.
  • 5Zienkiewicz O C, Taylor R L. The finite element method: Basic formulation and linear problems [M]. London: McGraw-Hill, 1990.
  • 6Felippa C A, Haugen B. A unified formulation of small strain corotational finite elements: I. Theory [J]. Computer Methods Applied Mechanics and Engineering, 2005, 194: 2285-2335.
  • 7Crisfield M A. A consistent co-rotational formulation for nonlinear three-dimensional beam element [J]. Computer Methods Applied Mechanics and Engineering, 1990, 81(2): 131-150.
  • 8Crisfield M A, Moita G F. A unified co-rotational framework for solids, shells and beams [J]. International Journal of Solids and Structures, 1996, 33: 2969-2992.
  • 9Li Z X. A co-rotational formulation for 3D beam element using vectorial rotational variables [J]. Computational Mechanics, 2007, 39(3): 309-322.
  • 10GB50010-2002.混凝土结构设计规范[S].[S].,..

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