目录
第一节:工程概况……………………………………………………………４
1.公司简介……………………………………………………………………………………………４
2.工程概述……………………………………………………………………………………………４
3.施工程序 (4)
第二节：钢箱梁总体制作工艺......................................................６1．工艺标准......................................................................................................６2．钢结构制作...................................................................................................６3．精度控制措施 (15)
4．检查、验收...................................................................................................1８5．竣工资料......................................................................................................２0 第三节:钢箱梁焊接施工工艺 (21)
1．说明............................................................................................................２1 2．焊接方法及焊接材料.......................................................................................2１3．一般工艺要求................................................................................................２2 4．CO2气体保护焊单面焊双面成型工艺 (26)
5．全熔透焊缝位置 (27)
6．焊接规范 (28)
7．坡口形式 (28)
8．焊接检验 (30)
第四节:钢箱梁焊接工艺评定方案 (33)
1．概述 (33)
2．焊接工艺评定试验项目目录清单........................................................................3３3．焊接工艺评定方案..........................................................................................３3 4．检验内容 (40)
第五节：涂装方案 (42)
1．油漆配套方案 (42)
2．钢材表面处理................................................................................................4２3．油漆 (43)
4．涂层检验 (45)
第六节:运输方案.....................................................................4７1．钢箱梁装运工具及运输日期..............................................................................４7 2．前期准备工作................................................................................................4７3．运输路线......................................................................................................４8 4．运输过程控制................................................................................................４8 5．特别事项 (49)
第七节：钢箱梁吊装..................................................................5０1．临时支墩结构形式..........................................................................................５0 2．施工工艺......................................................................................................５1 3．临时支墩的技术要求 (52)
4．吊装和拼装 (54)。