目录1工程概况...........................................................21.129#、30#主墩..................................................21.228#、31#墩....................................................21.332#-41#及27#墩...............................................21.43#、4#墩......................................................32编制依据...........................................................33施工钢平台的设计...................................................44施工部署............................................................54.1总体施工方案..................................................54.2材料组织......................................................55施工准备............................................................65.1劳动力投入....................................................65.2设备投入......................................................66平台施工方案........................................................66.1施工平台施工顺序..............................................66.2钢平台施工工艺流程............................................76.2.2钢管桩的定位............................................76.2.3钢管桩运输..............................................76.2.4钢管桩起吊..............................................86.2.5钢管桩的打设............................................86.2.6钢管桩接长..............................................96.2.7桩头施工.................................................96.2.8桩顶双拼I45b主梁安装..................................106.2.9分配梁及桥面板安装......................................106.2.10安全防护..............................................107质量、安全、工期保证措施..........................................107.1质量保证措施.................................................107.1.1质量保证体系...........................................107.1.2质量保障措施...........................................117.2安全保证措施.................................................127.2.1安全保证体系...........................................127.2.2安全保证措施...........................................127.3工期保证措施.................................................147.3.1保证工期的组织措施.....................................147.3.2保证工期的技术措施.....................................157.4文明施工保证措施.............................................157.4.1文明施工目标...........................................157.4.2文明施工措施...........................................15附件1水上钻孔钢平台设计、计算书...................................16附件2：钢平台钢管桩长度统计表.......................................30附件3：钢平台材料统计表.............................................34附件4钢平台设计图.................................................501工程概况襄樊市内环线汉江三桥为襄樊市大型市政桥梁工程，桥位上距襄樊汉江四桥约4.3km，下距长虹大桥约3.1km，从襄城区老龙庙西侧上跨汉江南大堤，横跨汉江至樊城区月亮湾公园，全桥长为4.581km。主线桥桥跨布置为：14×30+33+55+33+4×30+30+33+27+63+100+100+63+23×50+128.5+310+128.5+22×50+3×50+25+3×34.5+21+5×30，主线桥梁总长度为4.3435Km。本工程水中17个墩（3#、4#、27#-41#），承台采用先桩后堰施工方法，桩基施工在钢平台进行。各个墩地质情况为：粉砂层厚0.6m～8.9m，卵石层厚30.8～35.9m。基本参数如下：1.129#、30#主墩29#、30#主墩位于汉江主河道内，每个墩设置两个独立承台，承台结构尺寸为19×19×5m，承...
