海河综合开发基础设施建设蚌埠桥工程 钢结构现场焊接方案目 录一、基本情况................................................3二、焊前准备 ..............................................32.1、劳动力及设备配置情况 .......................................3 2.2、焊接工艺评定...............................................5三、焊接环境...............................................63.1、焊接防护....................................................63.2、焊接防护措施 ..............................................6四、焊接工艺流程............................................9五、焊接工艺...............................................105.1、钢箱梁现场焊接的主要焊缝...................................105.2、焊接原则...................................................105.3、焊接顺序及方法.............................................105.4、焊接方法....................................................11六、焊接检验..............................................136.1、焊缝检验范围...............................................136.2、焊缝检验标准...............................................13七、计划的保证措施........................................14 7.1、质量控制程序..............................................157.2、质量措施.................................................167.3、组织措施..................................................177.4、制度措施..................................................187.5、技术措施.....................