特大桥转体施工跨既有线施工专项方案

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1、XX特大桥上跨盘西既有线连续梁转体施工专项方案目录第1章编制说明...............................................41.1.编制范围...............................................41.2.编制依据..............................................41.3.编制原则.............................................5第2章工程概况...........

2、.....................................62.1.工程概况...............................................62.2.转盘结构...............................................82.3.工程地质及气象、水文...................................82.4.工程特点及对策........................................92.5.影响施工的管线

3、调查....................................102.6.各结构部位的施工参数..................................11第3章总体施工方案...........................................143.1.总体施工方案及部署....................................143.2.钻孔桩施工............................................173.3.承台施工.....

4、.........................................173.3.1基坑开挖和支护....................................173.3.2施工顺序..........................................173.3.3施工工艺..........................................183.4.转盘施工..............................................183.4.1转体结

5、构施工......................................183.4.2转动体系施工......................................233.5.墩身施工..............................................253.6.上部结构施工方案......................................253.6.10#块施工及防护....................................2689XX特大桥上跨盘

6、西既有线连续梁转体施工专项方案3.6.2.连续梁悬臂施工....................................293.6.3.转体及合拢段施工.................................34第4章上部结构施工准备及防护措施.............................394.1.安全协议以及需要天窗时间..............................394.2.下部结构施工完后的恢复................................394.3.

7、对已施工上部结构邻近既有线影响区域的防护..............394.4.挂篮施工时邻近既有线的防护............................404.5.遮板安装时的防护....................................404.6.转体前单T构的防护....................................414.7.中跨合拢时的防护......................................414.8.后续工作对既有线的影响............

8、...................414.9.T构施工过程中材料上桥的形式..........................42第5章施工组织机构以及岗位职责...............................435.1.施工组织....................................