| 高等级公路桥涵加宽设计方法研究 |
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| 引用本文： | 杨怡.高等级公路桥涵加宽设计方法研究[J].交通标准化,2009(13):120-123. |
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| 作者姓名： | 杨怡 |
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| 作者单位： | 河北省邯郸市交通局; |
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| 摘 要： | 桥涵加宽设计是高等级公路扩建工程中非常重要的一个环节，通过对其设计方法的研究，结论如下：在现行规范中，桥台与桥头路堤的容许工后沉降值与实际工程不是非常吻合。因此，在设计计算过程中，一定要合理确定桥头路堤的工后沉降值，尽量与桥台沉降值接近，以减少桥头跳车的程度。
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| 关 键 词： | 设计方法 拓宽工程 桥涵 高速公路 |
Widening Design Approach of Bridge in Expressway |
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| YANG Yi.Widening Design Approach of Bridge in Expressway[J].Communications Standardization,2009(13):120-123. |
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| Authors: | YANG Yi |
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| Institution: | Hebei Province Handan Traffic Bureau;Handan 056002;China |
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| Abstract: | Bridge widening design is an important part of high-grade highway reconstruction. By studying the design method of bridge widening, the conclusion that the allowable settlement of abutment after construction and which of bridgehead embankment are not very inosculated in current standards is obtained. Therefore in the design and calculation process, settlement of bridgehead embankment after construction must be confirmed rationally to get close to abutment settlement, thus the degree of car-jump at bridgehea... |
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| Keywords: | design approach widening project bridge expressway |
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