目录第一章工程简介....................................................................11.1工程概况......................................................................11.2施工重难点....................................................................31.3编制依据......................................................................31.4施工目标......................................................................4第二章钢箱梁在工厂内制作工艺......................................................52.1钢箱梁制作工艺流程图..........................................................52.2材料选用与管理................................................................52.3放样与下料....................................................................72.4切割..........................................................................82.5零件矫正和弯曲................................................................92.6分段制作.....................................................................102.7焊接.........................................................................112.8钢结构的涂装.................................................................16第三章钢构件的运输...............................................................183.1装车方案.....................................................................183.2分段的加强...................................................................18第四章施工总体部署...............................................................194.1现场平面布置.................................................................194.2施工技术路线.................................................................194.3构件分段.....................................................................194.5拟投入劳动力计划.............................................................224.6项目管理组织架构.............................................................22第五章WN匝道、EW匝道、石铜路主线施工方案........................................235.1施工准备.....................................................................235.2胎架布置.....................................................................235.3构件的拼装及吊装.............................................................235.4吊装吊耳的设置及验算.........................................................25第六章泄洪高架桥钢箱梁顶推施工...................................................286.1支架设计.....................................................................286.2滑道设计.....................................................................306.3顶推系统的设计...............................................................316.4支架及滑道施工...............................................................326.5钢箱梁分段拼装与顶推施工.....................................................326.6施工监控.....................................................................33第七章钢结构焊接.................................................................387.1焊接概况.....................................................................387.2主要的焊接施工方法和技术措施.................................................38第八章现场安装安全措施...........................................................428.1高空作业安全措施.............................................................428.2消防安全措施...........................
