建邦大桥主梁及斜拉索施工技术方案.docx

济南建邦黄河公路大桥及接线工程JBS2合同段主梁施工技术方案济南建邦黄河公路大桥及接线工程JBS2合同段主梁施工技术方案编审制:核:中交第二航务工程局有限公司二○○九年八月中交第二航务工程局有限公司1济南建邦黄河公路大桥及接线工程JBS2合同段主梁施工技术方案目录第1章工程概述..........................................................4工程概况.............................................................4主梁主要技术参数.....................................................6第2章第3章第4章主梁施工工艺及流程................................................8主梁0、1号梁段支架现浇施工......................................11主梁挂篮悬浇施工.................................................12概述................................................................12牵索式挂篮特点......................................................12牵索式挂篮施工工艺流程..............................................12挂篮设计............................................................12挂篮制造、安装及预压................................................16挂篮行走与定位......................................................18模板工程............................................................19钢筋、预应力工程....................................................20预埋件施工..........................................................20混凝土工程.........................................................21辅助墩顶节段施工...................................................22第5章边跨现浇梁段支架施工.............................................26边跨支架施工概述....................................................26边跨现浇段施工工艺流程..............................................26边跨现浇支架的设计..................................................27边跨支架施工........................................................27钢筋、模板施工、砼及预应力施工......................................28第6章合拢段施工.......................................................29概况................................................................29施工准备............................................................29合拢段施工步骤......................................................29中交第二航务工程局有限公司2济南建邦黄河公路大桥及接线工程JBS2合同段主梁施工技术方案合拢时间的选择......................................................29边跨合拢段施工.................................................