Besides, the current bridge and culvert design criterion takes some basic postulation during the calculation of the bridge's member in bending, which results in over-conservative numeric value.

另外，现行的公路桥涵设计规范，在对桥梁受弯构件承载能力计算中采用了一些基本假定，导致计算结果过于保守。

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Rational small bridge and culvert investigation, design takes important role in reducing construction cost, easy construction and giving a full play to highway usage performance after completion.

合理的小桥涵勘察、设计，对降低工程造价、方便施工及竣工后充分发挥公路使用效能具有重要作用。

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The construction and design of steel stake cofferdam are introduced at building of bridge and culvert foundation.

介绍桥涵基础施工中钢板桩围堰的设计与施工。

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