图为施工人员正在对连篆1号特大桥连续梁进行钢筋绑扎作业。莫小斌 摄

　　位于广西乐业县新化镇境内的连篆1号特大桥全长4766.83米，是黄百铁路全线最长桥梁。大桥三次跨越河流，受当地交通条件影响，环保压力及施工难度较大。建设单位黄百铁路公司、云桂铁路广西公司组织中铁二院、中铁五局黄百铁路项目部优化设计方案和施工工法，在确保施工安全的同时保证水源不受影响。

　　“我们在大桥跨越河道区域均采用连续梁设计，实现一跨过河，避免在河道区域内设立桥墩对水资源环境造成影响。同时我们对连续梁采用支架现浇法进行施工，相较于传统的悬臂梁挂篮施工，无需大型吊装设备，不仅有效破解了大型施工设备及物料运送带来的困难，还可节省工期2个月。”云桂铁路广西公司黄百铁路建设指挥部桥梁工程师宾能旗说。

　　负责大桥施工的中铁五局黄百铁路项目部副总工程师杨楷介绍，他们对连续梁支架搭设、模板拼装、钢筋绑扎、预应力管道安装等每一道工序严格把关，对混凝土布料、振捣进行跟踪指导，同时实时观测支架、模板系统的变形与位移，确保混凝土浇筑质量一次成优。

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