| 某连续刚构桥病害分析及加固方法的研究 |
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| 引用本文： | 王勇.某连续刚构桥病害分析及加固方法的研究[J].山西建筑,2007,33(31):314-315. |
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| 作者姓名： | 王勇 |
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| 作者单位： | 江苏省兴化市苏建建设工程有限公司,江苏,兴化,225700 |
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| 摘 要： | 以体外预应力在某连续刚构桥加固中的应用为例,通过对全桥裂缝情况及病害原因的分析,提出体外预应力加固方法,对箱梁结构的竖向位移和混凝土应力进行计算,分析其加固的效果,结果表明,该法改善了箱梁混凝土的应力状态,对结构的补强起到了一定的作用。
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| 关 键 词： | 体外预应力 连续刚构 加固方法 裂缝 |
| 文章编号： | 1009-6825（2007）31-0314-02 |
| 修稿时间： | 2007-05-23 |
Analysis of the damage of a certain continuous rigid-frame bridge and research into its reinforcement means |
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| WANG Yong.Analysis of the damage of a certain continuous rigid-frame bridge and research into its reinforcement means[J].Shanxi Architecture,2007,33(31):314-315. |
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| Authors: | WANG Yong |
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| Abstract: | Taking the application of external prestress in reinforcing a certain continuous rigid-frame bridge as an example, the author proposes external pre-stressed reinforcement method through analyzes the condition of bridge cracks and causes of the damage, calculates vertical displacement and concrete stress of box-girder structure, analyzes its strengthening effect, and shows that this method ameliorates stress state of box-girder concrete and plays certain roles in reinforcing structure. |
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| Keywords: | external prestress continuous rigid-frame reinforcement means crack |
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