| 钢管混凝土系杆拱桥温度应力的数值模拟分析 |
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| 引用本文： | 熊红霞,刘沐宇.钢管混凝土系杆拱桥温度应力的数值模拟分析[J].武汉理工大学学报,2007,29(2):107-109. |
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| 作者姓名： | 熊红霞 刘沐宇 |
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| 作者单位： | 武汉理工大学土木工程与建筑学院,武汉,430070 |
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| 摘 要： | 采用通用软件ANSYS计算钢管混凝土系杆拱桥拱肋结构各控制截面在温度荷载作用下的内力与应力值，并通过改变矢跨比和拱轴系数将不同设计参数情况下的温度应力进行了对比。研究表明，钢管混凝土拱桥矢跨比和拱轴系数的变化对结构体系温差引起的拱顶截面轴力和弯矩的影响相当显著，而对1／4跨和拱脚各截面轴力和弯矩的影响则较小。
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| 关 键 词： | 钢管混凝土系杆拱桥 温度应力 有限元法 |
| 文章编号： | 1671-4431(2007)02-0107-03 |
| 修稿时间： | 2006年9月22日 |
FEM Analysis of the Temperature Stress in CFST Tied Arch Bridge |
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| XIONG Hong-xia,LIU Mu-yu.FEM Analysis of the Temperature Stress in CFST Tied Arch Bridge[J].Journal of Wuhan University of Technology,2007,29(2):107-109. |
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| Authors: | XIONG Hong-xia LIU Mu-yu |
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| Abstract: | The temperature stress and internal force of the arch rib section in CFST tied arch bridge was simulated by finite element method(FEM).The results of different design parameters(by changing ratio of rise to span and coefficient of arch axis) were compared.It indicated that changing ratio of rise to span and coefficient of arch axis affects the axial force and the bend moment of the top of the arch cross section of CFST tied arch bridge evidently,and has less effect to those of the 1/4 span cross section and the foot of the arch cross section. |
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| Keywords: | CFST tied arch bridge temperature stress FEM |
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