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考虑空间效应的钢-混凝土组合梁单元研究

, PP. 53-56

Keywords: 桥梁工程,组合梁,势能原理,梁段单元,剪力滞,翘曲

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Abstract:

?为了计算钢-混凝土组合梁空间受力时的剪力滞效应和扭转翘曲变形,以最小势能原理为基础,根据Vlasov薄壁梁理论并考虑组合梁混凝土翼板宽厚的特点,提出了一种用于组合梁空间分析的梁段单元,并推导了单元刚度矩阵、等效节点荷载列阵,该单元具有2个节点共16个自由度,能考虑拉压、弯曲、扭转、翘曲和剪力滞效应。计算结果表明:相对于普通的有限元分析方法,运用该单元进行结构分析具有计算精度高、计算量小的优点。

References

[1]  ZHOU Ling-yu, YU Zhi-wu, JIANG Li-zhong.Finite Element Analysis of Effects of both Composite Beam Displacement and Shear Deformation[J].China Railway Science, 2004, 25(3):61-66.
[2]  YANG Hong, LI Li-fen, LUO Qi-zhi.Stress Analysis to Steel-concrete Combinating Beam Considering Slippage and Temperature by Seven-degree Freedom Unit[J].Journal of Water Resources and Architectural Engineering, 2004, 2(3):11-15.
[3]  SUN Fei-fei, LI Guo-qiang.Force-based Formulation for Steel-concrete Composite Beams with Shear Lag[J].Chinese Quarterly of Mechanics, 2004, 25(1):78-88.
[4]  SUN Fei-fei, LI Guo-qiang.Beam Formulation for Composite Beams with Slip, Shear Lag and Shear Deformation[J].Journal of Tongji University:Natural Science, 2004, 32(4):436-440.
[5]  JIANG Li-zhong, TANG Yu-kun.Approach for De-sign of Stability of Steel-concrete Composite FrameBeam[J].Journal of Architecture and Civil Engineering, 2007, 24(4):29-33.
[6]  PEI Wan-ji, ZHAO Jun-hai, WEI Xue-ying.Analysis of Section Types of Concrete-filled Steel Tube and Its Load Capacity[J].Journal of Architecture and Civil Engineering, 2006, 23(1):49-53.
[7]  王 骅, 薛伟辰.考虑收缩徐变的钢-混凝土组合梁变形计算[J].长安大学学报:自然科学版, 2004, 24(1):56-60.
[8]  包世华, 周 坚.薄壁杆件结构力学[M].北京:中国建筑工业出版社, 2006.
[9]  聂建国, 朱红超, 罗 玲, 等.开口截面钢-混凝土组合梁受扭的试验分析[J].建筑结构学报, 2002, 23(2):48-54.
[10]  聂建国.钢-混凝土组合梁结构:试验、理论与应用[M].北京:科学出版社, 2005:166.
[11]  周凌宇, 余志武, 蒋丽忠.组合梁滑移和剪切变形双重效应的有限元分析[J].中国铁道科学, 2004, 25(3):61-66.
[12]  杨 虹, 李丽芬, 罗旗帜.用七自由度单元对钢·混凝土组合梁考虑滑移及温度的应力分析[J].水利与建筑工程学报, 2004, 2(3):11-15.
[13]  孙飞飞, 李国强.考虑剪力滞后效应的钢-混凝土组合梁力法单元[J].力学季刊, 2004, 25(1):78-88.
[14]  孙飞飞, 李国强.考虑滑移、剪力滞后和剪切变形的组合梁单元[J].同济大学学报:自然科学版, 2004, 32(4):436-440.
[15]  蒋丽忠, 汤裕坤.钢-混凝土组合框架梁的稳定设计方法[J].建筑科学与工程学报, 2007, 24(4):29-33.
[16]  裴万吉, 赵均海, 魏雪英.钢管混凝土的截面形式及其承载力分析[J].建筑科学与工程学报, 2006, 23(1):49-53.
[17]  SHIN D K, KIM N, KIM M Y.Exact Stiffness Matrix of Mono-symmetric Composite I-beams with Arbit-rary Lamination[J].Composite Structures, 2007, 79(4):467-480.
[18]  WANG Hua, XUE Wei-chen.Deflections of Steel-concrete Composite Beams Due to Shrinkage and Creep[J].Journal of Changan University:Natural Science Edition, 2004, 24(1):56-60.
[19]  BAO Shi-hua, ZHOU Jian.Structural Mechanics of Thin-walled Members[M].Beijing:China Architecture & Building Press, 2006.
[20]  NIE Jian-guo, ZHU Hong-chao, LUO Ling, et al.Experimental Analysis on Composite Steel-concrete Beams with Open Section Under Combined Flexure and Torsion[J].Journal of Building Structures, 2002, 23(2):48-54.
[21]  NIE Jian-guo.Steel-concrete Composite Beam Structure:Experiment, Theory and Application[M].Beijing:Science Press, 2005:166.

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