东宗线航道嘉兴段二期工程HQ3施工合同段(花果兜桥)主桥系杆拱施工安全专项方案台州市四方交通建设工程有限公司东宗线航道嘉兴段二期工程第HQ3施工合同段项目经理部东宗线航道嘉兴段二期工程主桥系杆拱施工专项方案二○一三年九月目录第一章编制说明.........................................................................................................................................5第一节编制依据.................................................................................................................................5第二节编制目的.................................................................................................................................5第三节适用范围.................................................................................................................................6第二章主桥工程概况.................................................................................................................................6第一节工程简介.................................................................................................................................61、总体布置...................................................................................................................................62、拱肋...........................................................................................................................................63、系杆...........................................................................................................................................64、横梁...........................................................................................................................................65、行车道板...................................................................................................................................66、吊杆...........................................................................................................................................7第二节水文地质.................................................................................................................................7第三节施工平面布置和施工准备...................................................................................................10一、施工平面布置.......................................................................................................................10二、施工准备工作.......................................................................................................................101)、技术准备工程.............................................................................................................102)、物资设备准备.............................................................................................................103)、施工队伍进场.............................................................................................................114)、施工准备.....................................................................................................................11第三章花果兜桥主跨施工工艺及支架设计方案...............................................................................11第一节工艺流程及主要施工技术方案...........................................................................................11主跨施工工艺流程........................................