乐昌至广州高速公路坪石至樟市段T12合同段乌石北江特大桥首件悬浇主梁施工技术方案广东省长大公路工程有限公司乐昌至广州高速公路T12合同段项目经理部2012-12乐昌至广州高速公路T12合同段乌石北江特大桥首件悬浇主梁施工技术方案编制：复核：审核：广东省长大公路工程有限公司乐昌至广州高速公路T12合同段项目经理部目录第1章工程概况..............................................................................................11.1工程概述................................................................................................11.2首件悬浇主梁的选择和目的.................................................................21.3工程特点................................................................................................21.3.1工程量大....................................................................................21.3.2结构复杂....................................................................................21.4施工难度和重点....................................................................................21.4.1主梁砼施工技术难度大............................................................21.4.2悬浇施工安全形势严竣............................................................31.5施工依据................................................................................................3第2章总体方案概述......................................................................................42.1总体施工工艺........................................................................................42.2施工进度安排........................................................................................42.3施工人员安排........................................................................................42.4施工机械安排........................................................................................4第3章95#墩B2段、C2段主梁牵索挂篮悬浇施工工艺..........................63.1首件主梁挂篮悬浇施工工艺流程.........................................................63.2挂篮提升定位、锚固和精确调整立模标高.........................................63.3斜拉索施工............................................................................................73.3.1总体思路....................................................................................73.3.2斜拉索安装工艺流程................................................................83.3.3拉索安装工艺............................................................................83.3.4挂篮挂索施工具体操作..........................................................103.3.5挂索施工注意事项..................................................................123.4箱梁主体结构施工..............................................................................133.4.1模板施工..................................................................................133.4.2索导管的安装与定位..............................................................133.4.3钢筋、预埋件工程..................................................................143.5混凝土施工..........................................................................................153.5.1混凝土配合比..........................................................................153.5.2混凝土浇筑..............................................................................153.5.3特殊天气情况下的混凝土施工........................
