特大桥河道内桥墩施工方案.docx

特大桥河道内桥墩施工方案

目录

一、内容概览................................................3

1.1项目背景.............................................3

1.2施工方案编制依据.....................................4

1.3施工方案编制目的.....................................5

二、工程概况................................................6

2.1工程简介.............................................7

2.2桥梁结构设计.........................................8

2.3施工环境分析.........................................9

三、施工准备...............................................10

3.1施工组织机构........................................11

3.2施工人员配置........................................12

3.3施工设备与材料......................................13

3.4施工现场布置........................................13

四、施工方法与技术措施.....................................14

4.1施工工艺流程........................................16

4.2桥墩基础施工........................................17

4.2.1钻孔灌注桩施工..................................18

4.2.2桥墩承台施工....................................19

4.3桥墩主体施工........................................21

4.3.1模板施工........................................22

4.3.2混凝土浇筑......................................23

4.3.3钢筋施工........................................24

4.4桥墩接缝处理........................................25

4.4.1施工缝处理......................................27

4.4.2温度缝处理......................................28

五、质量控制措施...........................................29

5.1质量管理体系........................................30

5.2材料质量控制........................................31

5.3施工过程质量控制....................................32

5.3.1施工工序质量控制................................33

5.3.2施工质量检验....................................34

六、安全施工措施...........................................35

6.1安全生产责任制......................................36

6.2安全防护设施........................................37

6.3施工安全操作规程....................................38

6.4应急预案............................................39

七、环境保护措