加劲钢桁梁结构安装方案

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钢桁梁安装工艺方案

目 录

1、工程概况: ............................................................................................................................ - 1 -

1.1结构简介: ..................................................................................................................... - 1 - 1.2工程内容: ..................................................................................................................... - 1 - 1.3编制原则: ..................................................................................................................... - 2 - 2、准备工作: ............................................................................................................................ - 3 -

2.1技术资料准备: ............................................................................................................. - 3 - 2.2施工场地准备: ............................................................................................................. - 4 - 2.3施工设备准备: ............................................................................................................. - 4 - 2.4人力资源准备: ............................................................................................................. - 5 - 2.5钢桁梁杆件存放和矫正: ............................................................................................. - 6 - 3、安装方案: ............................................................................................................................ - 6 -

3.1概述: ............................................................................................................................. - 6 - 3.2起重设备的安装: ........................................................................................................ - 6 - 3.3防护设施安装: ............................................................................................................. - 9 - 3.4下节点安装: ...............................................................................................................- 10 - 3.5腹杆安装: ...................................................................................................................- 10 - 3.6上节点安装: ...............................................................................................................- 11 - 3.7上平联安装: ...............................................................................................................- 11 - 3.8上弦杆安装: ...............................................................................................................- 12 - 4、焊接方案 .............................................................................................................................. - 12 -

4.1 焊接材料的管理 .........................................................................................................- 12 - 4.2 工艺文件的执行 .........................................................................................................- 13 - 4.3 防护要求 .....................................................................................................................- 13 - 4.4 焊接工艺措施 .............................................................................................................- 13 - 5、高强螺栓施拧 ...................................................................................................................... - 14 -

5.1 高强螺栓的储存与管理 .............................................................................................- 14 - 5.2 高强螺栓施拧 .............................................................................................................- 14 - 5.3 质量检查 .....................................................................................................................- 15 - 5.4 高栓施拧偏差处理 .....................................................................................................- 15 -

6、涂装工艺方案 ...................................................................................................................... - 16 -

6.1涂装体系 ......................................................................................................................- 16 - 6.2局部修补工艺方案 ......................................................................................................- 16 - 6.3成桥焊缝补涂装方案 .................................................................................................. - 17 - 6.4栓接点外露部位补涂装 .............................................................................................. - 17 - 6.5外表面第二道面漆涂装方案 ......................................................................................- 18 - 6.6 涂装施工工艺要求 .....................................................................................................- 18 - 6.7 涂装施工的安全与环保 ............................................................................................. - 20 - 7、安全保证体系 ...................................................................................................................... - 20 -

7.1组织保证体系 .............................................................................................................. - 20 - 7.2 安全施工制度保证体系 ............................................................................................. - 20 - 8、工期保证措施 ...................................................................................................................... - 21 -

8.1工期计划 .......................................................................................................................- 21 - 8.2保证措施 .......................................................................................................................- 21 - 9、质量保证措施 ...................................................................................................................... - 22 -

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