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大道西段快速路工程深基坑专项施工方案

温州市瓯海大道西段快速路工程Ⅲ标

浙江奔腾建设工程有限公司

温州市瓯海大道西段快速路工程Ⅲ标项目部

一、工程概况··········································3

建标 195-2018 工程项目建设标准1、深基坑概况·············································3

2、地质情况···············································4

3、平面位置···············································4

二、编制依据··········································4

三、施工计划··········································5

1、施工时间安排···········································5

2、资源投入情况···········································5

四、工艺方法··········································5

1、总体设想···············································5

2、施工流程···············································6

3、围堰施工···············································6

4、河边桥台开挖支护方法···································6

5、陆地基坑开挖支护方法···································7

6、钢板桩施工·············································7

7、土方开挖···············································8

8、基坑排水···············································9

9、砼结构物施工···········································9

10、钢板桩拔除············································9

五、设计计算··········································9

1、陆地基坑围护计算·······································15

2、河边基坑围护计算······································18

六、安保措施··········································9

1、组织体系建设···········································9

2、沉降监测控制··········································10

无棣县振华机电设备安装有限公司蒸汽锅炉安装工程施工组织设计3、安全文明措施··········································10

七、其它事项·········································11

1、其它辅助方法··········································11

2、沉木河桥0#台第四幅基坑································11

3、加强与水务部门、地方政府的联系沟通····················12

瓯海大道西段快速路工程Ш标段全长1061m（k4+124~k5+185）,主要为高架桥梁、地面桥和地面道路等，涉及深基坑的承台和桥台位于半塘河、沉木河、中横河等三座桥梁处。

具体位置和开挖深度如下：

5.8×25(7.35)

交通标志标线工程施工组织设计5.8×25(7.35)