桥台深基坑开挖安全专项施工方案

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1、目录第一章工程概况..............................................11.1工程简介...............................................11.2桥台基坑开挖工程概述...................................21.3工程所处地区的自然环境.................................51.3.1地形、地貌........................................

2、51.3.2气象..............................................51.4地质及水文条件........................................61.4.1地质情况..........................................61.4.2水文地质..........................................81.5管线情况.........................................

3、......91.6施工平面布置...........................................91.7施工要求...............................................9第二章编制依据..............................................9第三章施工计划.............................................113.1施工进度计划..........................

4、................113.2材料和设备计划........................................12第四章施工工艺技术及质量保证措施...........................144.1技术参数..............................................144.2工艺流程..............................................164.3施工方法..........................

5、....................174.3.1施工准备.........................................1714.3.2工字钢桩吊运及堆放...............................194.3.3工字钢桩施工.....................................194.3.4工字钢桩施打前的准备.............................204.3.5施工放样与定位............................

6、.......214.3.6工字钢桩打入总体流程.............................214.3.7内支撑的安装.....................................224.3.8施工注意事项.....................................224.3.9工字钢桩的施工中遇到的问题及处理.................234.3.10基坑开挖........................................234.3.11基坑排水.

7、.......................................244.3.12桩基施工........................................244.3.13桥台施工........................................254.3.14工字钢桩拔除....................................254.3.15其他对既有建筑物的防护..........................25第五章施工安全保证措施.......

8、..............................265.1组织保障..............................................275.2技术保障..............................................325.3安全防护措施..........................................3