The box girder concrete casting key point, layout of equipment and casting time control are analyzed on the base of construction performance of high quality maritime works concrete.
在研究高性能海工混凝土的施工性能的基础上，分析了箱梁混凝土浇筑关键点、设备配置和浇筑时间控制等。
On this base, main reasons of influencing concrete slab's crack width of composite girder have been discussed.
在此基础上，讨论了影响组合梁混凝土板裂缝宽度的主要原因。
Fabricating and demoulding of the base mould is a key during the course of construction for precast plate girder of highway bridge.
公路桥梁预制钢筋混凝土板梁施工中，底模的制作及脱模是关键。
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