Internal flat seam construction to reduce pressure points.

外部单位煤层施工，以增加压力点。

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This paper introduces the construction of highway bridge expansion joints to the problems, and puts forward the highway bridge is adjustable seam construction and quality control measures.

本文介绍了公路桥梁伸缩缝施工容易出现的问题，提出了公路桥梁伸缩缝的施工与质量控制措施。

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Layered construction, seam position should be staggered with each other.

分层施工时，留缝位置应互相错开。

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