Internal flat seamconstruction to reduce pressure points.
外部单位煤层施工，以增加压力点。
2
This paper introduces the construction of highway bridge expansion joints to the problems, and puts forward the highway bridge is adjustable seamconstruction 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。
3
Layered construction, seam position should be staggered with each other.