螺洲大桥南接线S203立交承台施工方案中交二航局螺洲大桥项目三分部目录目录................................................................................................................................................2第一章编制依据...........................................................................................................................4第二章工程概况...........................................................................................................................52.1工程简介................................................................................................................................52.2施工条件..............................................................................................................................12第三章施工方法..........................................................................................................................143.1水上施工工艺......................................................................................................................143.1.1水中墩承台施工流程....................................................................................................153.1.2钢吊箱施工...................................................................................................................163.1.2.1钢吊箱设计及加工.................................................................................................16第2页共44页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共44页3.1.2.2钢吊箱安装............................................................................................................163.1.2.3钢吊箱封底............................................................................................................193.1.2.4钢吊箱的质量验收.................................................................................................223.2陆上常规施工工艺..............................................................................................................233.2.1陆上常规承台施工流程................................................................................................233.2.2施工准备.......................................................................................................................243.2.3测量放样.......................................................................................................................243.2.4承台基础开挖...............................................................................................................243.2.5桩基垫层施工...............................................................................................................253.2.6桩头处理.......................................................................................................................253.2.7桩基检测.......................................................................................................................253.3钢板桩施工工艺...................................................................................................................263.3.1钢板桩施工流程............................................................................................................263.3.2施工准备.......................................................................................................................273.3...
