…特大桥河道内桥墩施工方案 目录 一、编制依据............................................................................................................ 1 二、工程概述............................................................................................................ 1 2.1工程简介 ...................................................................................................... 1 2.2地理坏境 ...................................................................................................... 2 三、施工组织安排..................................................................................................... 3 3.1组织机构 ...................................................................................................... 3 3.2施工部署及现场平面布置： .......................................................................... 4 四、主要临时工程..................................................................................................... 5 4.1施工便道、便桥 ............................................................................................ 5 4.2河道内11#、12#桥墩围堰方案 ...................................................................... 9 五、主要施工工艺及方法 .........................................................................................11 5.1根底开挖施工 ..............................................................................................11 5.2承台施工 .................................................................................................... 14 5.3高墩施工工艺和方法 ................................................................................... 16 5.4墩帽施工 .................................................................................................... 23 六、工程进度方案................................................................................................... 24 6.1总体施工方案 ............................................................................................. 24 6.2分段施工方案 ............................................................................................. 24 七、资源配置方案................................................................................................... 27 7.1主要设备配置 ............................................................................................. 27 7.2人员配置 .................................................................................................... 27 八、防洪、排洪应急预案 ........................................................................................ 28 8.1防洪领导小组及主要职责 ........................................................................... 28 8.2防洪抢险的具体实施方案 ............................................................................ 30 8.3防洪防汛重点检查监控内容 ........................................................................ 31 8.4应急预案实施终止后的恢复工作 ................................................................ 32 九、施工质量保证技术措施 .................................................................................... 33 十、 关键工序质量保证技术措施............................................................................ 34 10.1钢筋施工质量保证技术措施....................................................................... 34 10.2 模板施工质量保证技术措施...................................................................... 34 10.3 混凝土施工质量保证技术措施 .................................................................. 34 十一、平安措 本文来源：https://www.wddqw.com/doc/d129329c87868762caaedd3383c4bb4cf7ecb734.html