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| 基于ANSYS的某桥箱梁火灾后加固受力性能分析 | |
| 引用本文： | 吴金池,龙新乐,龚绍斌.基于ANSYS的某桥箱梁火灾后加固受力性能分析[J].工业建筑,2007,37(Z1). |
| 作者姓名： | 吴金池 龙新乐 龚绍斌 |
| 作者单位： | 1. 湖北德盛结构工程加固有限公司,武汉,430072 2. 湖南省第五工程公司,412300 3. 武汉市城诚路桥发展有限公司,武汉,430015 |
| 摘 要： | 介绍了某桥概况,通过对火灾后加固方案比选,优先采用新型碳纤维布(以下简称CFRP)和钢板联合加固的方案。采用有限元软件ANSYS对火灾前、火灾后未加固、火灾后加固的箱梁实体建模,比较3种情况下的强度、刚度之间的相互关系,得出的结论可供类似工程参考。 |
| 关 键 词： | 火灾 CFRP 钢板 有限元 |
STRESS BEHAVIOR OF A BRIDGE BOX GIRDER REINFORCED AFTER FIRE BASED ON ANSYS |
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| Wu Jinchi,Long Xinle,Gong Shaobin.STRESS BEHAVIOR OF A BRIDGE BOX GIRDER REINFORCED AFTER FIRE BASED ON ANSYS[J].Industrial Construction,2007,37(Z1). | |
| Authors: | Wu Jinchi Long Xinle Gong Shaobin |
| Affiliation: | Wu Jinchi(Hubei Desheng Strengthening Limited Company for Structural Engineering Wuhan 430072)Long Xinle(The Fifth Engineering Company of Hunan Province 412300)Gong Shaobin(Wuhan Chengcheng Road and Bridge Development Limited Company Wuhan 430015) |
| Abstract: | A bridge after fire disaster is introduced.By comparing several reinforcing schemes,a combination of new-type carbon fiber reinforced plastics(CFRP) and steel plate is given.Finite element software ANSYS is used to model the box girder in three situations: before fire,not reinforced after fire and reinforced after fire.The conclusions of the relations of strength and rigidity under the three situations can be referred in similar projects. |
| Keywords: | fire disaster CFRP steel plates finite element |
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