桥梁工程毕业论文

毕业实习论文浅谈桥梁墩柱施工

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符合设计规定，设计未规定时：10mm

5m～50m

80cm；每列脚

180～300μm。环氧涂层

eq

\o\ac(○,1)

eq

\o\ac(○,1m)

eq

\o\ac(○,3)

直径：±5mm

10mm； 3mm； 1mm；

允许偏差（%）[集中搅拌站拌制]

12~14cm，砼初凝时间满足施工要求；

责振捣，振捣采用插入式振动棒（B50

20~30s，每一处振捣完毕后应边振动边a.混凝土浇筑完后，表面应立即覆盖清洁的塑料膜，初凝后

b.混凝土拆模后的洒水养护宜用自动喷水系统和喷雾器，湿

a.水泥、砂、石的贮存仓、料堆等进行遮阳防晒处理，或在b.混凝土配合比设计应考虑坍落度损失。混凝土中可掺加减c.搅拌站料斗、储水器、皮带运输机、搅拌楼都要尽可能采

e.宜尽可能在棚内或气温较低的晚上或夜间搅拌混凝土，以

f.宜采用混凝土运输