川河路下穿机场高速公路桥施工方案目录一、工程综合概况--------------------------------------------------------------------------------------------------------31.1桥梁工程设计概要-----------------------------------------------------------------------------------------------31.2地质概况-----------------------------------------------------------------------------------------------------------31.3工程施工条件-----------------------------------------------------------------------------------------------------41.4编制说明-----------------------------------------------------------------------------------------------------------7二、主要工程数量--------------------------------------------------------------------------------------------------------8三、工程重点、难点-----------------------------------------------------------------------------------------------------9四、施工组织及总体部署-----------------------------------------------------------------------------------------------94.1工程目标-----------------------------------------------------------------------------------------------------------94.2施工组织机构---------------------------------------------------------------------------------------------------104.3技术准备工作---------------------------------------------------------------------------------------------------104.4生产准备工作----------------------------------------------------------------------------------------------------11五、施工场地的规划与平面布置------------------------------------------------------------------------------------11六、K3+541.335桥梁工程主要施工方案---------------------------------------------------------------------------146.1主要工程施工顺序---------------------------------------------------------------------------------------------146.2桥梁工程施工总体施工方法的选择------------------------------------------------------------------------146.3桩基础施工------------------------------------------------------------------------------------------------------156.4基坑支护----------------------------------------------------------------------------------------------------------226.5桥台施工----------------------------------------------------------------------------------------------------------266.6立柱施工----------------------------------------------------------------------------------------------------------286.7现空心梁板施工------------------------------------------------------------------------------------------------296.8预应力张拉、压浆、封端------------------------------------------------------------------------------------346.9桥面铺装及防水层施工---------------------------------------------------------------------------------------376.10伸缩缝施工----------------------------------------------------------------------------------------------------376.11施工便道-------------------------------------------------------------------------------------------------------386.12桥梁工程难点、重点项目解决方案---------------------------------------------------------------------41七、施工进度计划------------------------------------------------------------------------------------------------------417.1工期----------------------------------------------------------------------------------------------------------------417.2施工计划安排------------------------...
