钢管砼拱桥主弦管煨弯非线性稳定分析 |
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引用本文: | 罗鸣,刘小渝,王学勤.钢管砼拱桥主弦管煨弯非线性稳定分析[J].重庆交通大学学报(自然科学版),2004,23(4):1-3,18. |
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作者姓名: | 罗鸣 刘小渝 王学勤 |
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作者单位: | 重庆交通学院,重庆,400074;河南省平顶山市交通局质监站,河南,平顶山,467000 |
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摘 要: | 通过大型通用软件ANSYS对不同温度、不同管径及不同径厚比的钢管砼拱桥主弦管的煨弯加工过程进行了非线性稳定分析,找到了主弦管煨弯过程中发生局部鼓包现象的原因,得到主弦管煨弯失稳的判据,以此建立了以截面弯矩为加载控制指标的煨弯控制方法.
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关 键 词: | 钢管砼拱桥 煨弯 有限元 非线性稳定分析 |
文章编号: | 1001-716X(2004)04-0001-03 |
修稿时间: | 2003年11月24日 |
Non-linear stability analysis for process of heat treated chord member for arch-bridge of CFST |
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Abstract: | The process of heat treated chord member for arch-bridge of CFST are analyzed by non-linear stability analysis through "ANSYS". With disparate temperature, diameter and diameter-thickness ratio, the discriminant for buckling moment is found out. From this, the method of heat treated chord member for arch-bridge of CFST is suggested. |
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Keywords: | arch-bridge of CFST heat treatment FEA non-linear stability analysis |
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