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1中铁二十一局集团黔张常铁路项目经理部三分部目录（一）编制依据、范围及设计概况....................11.编制依据....................................12.编制原则....................................13编制范围.....................................24设计概况.....................................2（二）工程概况....................................21.线路概况....................................22.主要技术标准................................33主要工程内容和数量...........................3本桥主要工程数量见表..............................3（三）建设项目所在地地区特征......................52交通运输情况................................6（四）总体施工组织安排............................71总体目标.....................................71.1主要管理目标...............................71.2质量目标...................................81.3安全目标...................................81.4文明施工及环境保护目标.....................82施工组织机构及职责分工.......................92.1施工组织机构...............................92.2.责任分工.................................10新建黔张常铁路QZCZQ-9标琚家湾大桥施工方案21中铁二十一局集团黔张常铁路项目经理部三分部3.施工队伍部署和任务划分.....................154工期安排....................................154.1总工期安排................................154.2总体施工顺序及主要阶段工期安排............15（五）临时工程...................................161.施工便道...................................162.临时驻地...................................163.临时用电...................................164.施工用水...................................165.施工通讯...................................166.拌和站.....................................167.钢筋加工...................................168.排污及垃圾处理.............................17（六）重难点工程.................................171.重难点工程工期分析.........................172.重难点工程应对措施.........................17（七）桥梁施工方案及施工工艺.....................171钻孔桩基础施工..............................181.1施工准备..................................191.2施工方案..................................191.3钻孔桩常见问题及防治措施..................312.承台施工...................................33新建黔张常铁路QZCZQ-9标琚家湾大桥施工方案32中铁二十一局集团黔张常铁路项目经理部三分部2.1基坑开挖..................................332.2基底检查..................................332.3钢筋......................................342.4模板......................................342.5砼浇筑及养护..............................352.6基坑回填..................................363.实体墩台施工工艺、方法.....................363.1实体墩台施工工艺..........................363.2墩（台）身施工............................374.桥面系结构工程.............................424.1概述......................................424.2施工技术措施..............................424.3质量标准..................................435综合接地....................................436附属工程施工................................467.内业资料...................................46（八）资源配置...................................471.现场管理机构配备标准.......................472.人力资源配置...............................473.关键施工装备数量表.........................484.主要工程材料设备采购供应方案...............494.1材料管理模式.............................49新建黔张常铁路QZCZQ-9标...