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银百高速（G69）甜永段TYSY3合同段寺沟大桥施工方案路港集团有限公司银百高速（G69）甜永段TYSY3项目经理部二0一七年六月目录一、工程概况--------------------------------------------------------------------------------------------------11.1工程简介----------------------------------------------------------------------------------------------11.2工程施工条件----------------------------------------------------------------------------------------11.3设计标准----------------------------------------------------------------------------------------------1二、编制依据-------------------------------------------------------------------------------------------------1三、编制原则-------------------------------------------------------------------------------------------------23.1安全第一原则----------------------------------------------------------------------------------------23.2工期第一原则----------------------------------------------------------------------------------------33.3质量第一原则----------------------------------------------------------------------------------------43.4文明施工第一原则----------------------------------------------------------------------------------63.5环境保护第一原则----------------------------------------------------------------------------------6四、主要工程量---------------------------------------------------------------------------------------------6五、组织机构------------------------------------------------------------------------------------------------8六、施工重点、难点---------------------------------------------------------------------------------------8七、施工布置------------------------------------------------------------------------------------------------97.1临时施工道路布置----------------------------------------------------------------------------------97.2水电布置----------------------------------------------------------------------------------------------97.3材料布置----------------------------------------------------------------------------------------------9八、施工程序------------------------------------------------------------------------------------------------9九、施工方法-----------------------------------------------------------------------------------------------109.1桩基施工---------------------------------------------------------------------------------------------109.2系梁、承台施工------------------------------------------------------------------------------------229.3墩柱、空心薄壁墩施工-------------------------------------------------------------------------259.4帽梁施工--------------------------------------------------------------------------------------------359.5支座安装---------------------------------------------------------------------------------------------399.6预制预应力箱梁施工------------------------------------------------------------------------------399.7桥面系施工------------------------------------------------------------------------------------------45十、冬季施工措施------------------------------------------------------------------------------------------4510.1桩基冬季施工措施-------------------------------------------------------------------------------4510.2钢筋工程冬季施工措施-------------------------------------------------------------------------4610.3墩柱冬季施工措施----------------------------------...