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| 负弯矩区异型钢-混凝土组合岔梁受力性能分析 | |
| 引用本文： | 王宝强,李运生,王元清.负弯矩区异型钢-混凝土组合岔梁受力性能分析[J].重庆交通大学学报(自然科学版),2009,28(5):822-825,869. |
| 作者姓名： | 王宝强 李运生 王元清 |
| 作者单位： | 1. 中铁大桥局集团第五工程有限公司,江西,九江332000 2. 石家庄铁道学院,土木工程分院,河北,石家庄,050043 3. 清华大学,土木工程系,北京100084 |
| 摘 要： | 目前,曲线梁和异型梁在城市立交和高速公路立交中被广泛采用,且向连续梁发展。连续异型梁桥结构复杂,研究其在各种荷载作用下的受力和变形特征对工程建设具有重要意义。在此通过有限元程序ANSYS建立板壳单元三维空间模型,对北京南站高架桥某联负弯矩区异型岔梁进行分析,重点分析了该异型岔梁在各种荷载作用下的变形和应力分布,提出了降低岔口处截面应力集中的措施,可为同类结构设计提供借鉴和参考。 |
| 关 键 词： | 负弯矩区 异型岔口 应力分析 变形分析 |
Loading Capacity of Composite Box Girder Intersection with Special-Shaped Steel and Concrete in Negative Bending Region |
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| WANG Bao-qiang,LI Yun-sheng,WANG Yuan-qing.Loading Capacity of Composite Box Girder Intersection with Special-Shaped Steel and Concrete in Negative Bending Region[J].Journal of Chongqing Jiaotong University,2009,28(5):822-825,869. | |
| Authors: | WANG Bao-qiang LI Yun-sheng WANG Yuan-qing |
| Institution: | WANG Bao-qiang1,LI Yun-sheng2,WANG Yuan-qing3 (1.The 5th Engineering Co.Ltd of MBEC,Jiangxi Jiujiang 332000,China,2.School of Civil Engineering,Shijiazhuang Railway Institute,Hebei Shijiazhuang 050043,3.Department of Civil Engineering,Tsinghua University,Beijing 100084,China) |
| Abstract: | The curved beam and the special-shaped girder have been widely used in the urban and highway intersection recently,and are also inclined to the continuous special-shaped structure.The continuous special-shaped structure is complex,and the studies on its loading and deformation characteristics under different loads are of great significance for the engineering construction.One segment of composite box beam's special-shaped intersection of Beijing South Station Viaduct in negative bending region is analyzed b... |
| Keywords: | negative bending region special-shaped intersection stress analysis deformation analysis |
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