目 录第一章 编制依据及原则....................................................1第二章 工程概况..........................................................1一、桥梁概况.........................................................1二、改造后满足标准...................................................2第三章 总体施工方案......................................................2一、总体施工方案.....................................................2二、 施工总流程图....................................................4三、施工部署.........................................................6第四章 主要施工工序......................................................8一、托架体系.........................................................8二、限位施工.........................................................9三、控制系统.........................................................9四、液压系统.........................................................9八、 试顶升.........................................................15九、 正式顶升.......................................................15十、立柱连接........................................................17十一、支撑体系和液压系统拆除........................................18十二、恢复工作......................................................18第五章 主要分部分项工程施工.............................................18一、土方工程........................................................18二、模板工程........................................................18三、钢筋工程........................................................19四、混凝土工程......................................................19第六章 PLC 液压同步顶升系统.............................................20一、同步顶升系统组成................................................20二 、系统特点.......................................................20三 主要技术指标.....................................................21五 顶升系统控制原理................................................
