目 录1 编制依据...............................................................................................................................................22 工程概况...............................................................................................................................................23 施工重难点...........................................................................................................................................23.1 难点深基坑开挖...........................................................................................................................23.2 重点支架施工...............................................................................................................................24 施工总体部署.......................................................................................................................................34。1 主要人员及机械设备配置计划.................................................................................................34。2 施工准备.....................................................................................................................................44。3 施工总体进度安排......................................................................................................................45 主拱圈施工技术方案.............................................................................................................................55。1 预拱度计算..................................................................................................................................55.2 主拱支架总体布置........................................................................................................................65。3 主拱支架受力验算......................................................................................................................75.4 地基承载力验算.............................................................................