| T变箱加固新技术应用实例 |
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| 引用本文： | 张西强,李翼宇,陈慧.T变箱加固新技术应用实例[J].重庆交通大学学报(自然科学版),2009,28(4):668-670. |
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| 作者姓名： | 张西强 李翼宇 陈慧 |
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| 作者单位： | 重庆交通大学,重庆,400074 |
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| 摘 要： | "T变箱加固梁桥"是一种加固T型梁桥的新方法,通过在T梁的肋底采用高强膨胀螺栓和环氧树脂砂浆黏贴钢板,将原截面由T型截面转变成箱型截面,从而达到提高原桥承载力的目的。通过贵阳铁路跨线桥的加固案例分析,说明该法很好地利用箱型梁抗弯、抗扭刚度以及整体性能,具有节省工期、施工简便且不中断交通施工等优点。
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| 关 键 词： | 加固 黏贴钢板法 截面转换 T变箱 |
Application Example for New Strengthening Technology of Changing T Beam into Box Beam |
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| ZHANG Xi-qiang,LI Yi-yu,CHEN Hui.Application Example for New Strengthening Technology of Changing T Beam into Box Beam[J].Journal of Chongqing Jiaotong University,2009,28(4):668-670. |
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| Authors: | ZHANG Xi-qiang LI Yi-yu CHEN Hui |
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| Institution: | ZHANG Xi-qiang,LI Yi-yu,CHEN Hui(Chongqing Jiaotong University,Chongqing 400074,China) |
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| Abstract: | Changing T beam into box beam is a new method to reinforce the bridge with T girder.To improve the bearing capacity of the bridge,the original section is changed from T-section into box section,using the high-strength bolts and to epoxy mortar expansion paste plate in the end of the ribs of the T-beam.This new method makes good use of anti-bending ability and torsional rigidity of box beam;therefore,it achieves the target of improving the overall performance significantly comparing with the traditional T-be... |
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| Keywords: | reinforcement paste plate technique section changing changing T beam into box beam |
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