汉十高铁两座6300吨箱梁空中“牵手”成功
文章来源: 湖北日报 于
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湖北日报记者倪娜 视界网周广韬何登摄
图为:转体成功实施。
图为:“牵手”后的连续梁。(记者 倪娜 视界网 周广韬 摄)
昨日凌晨2:30,在汉丹铁路上方,重达6300吨、长50米的319#箱梁在旋转30.27°后,与另一侧同样大小箱梁成功“牵手”。湖北铁投集团董事长黄建宏宣布,汉十高铁全线首个且跨度最大的转体(跨汉丹线)在云梦圆满完成。
湖北日报记者倪娜 视界网周广韬何登摄
记者现场看到,319#箱梁离地面约15米高,转体前,另一侧同样大小的318#箱梁已于28日凌晨先行转体,静候空中连体。中国建筑汉十高铁HSSG-2标项目部常务副经理蔡勋文介绍,该项目是汉十高铁云安特大桥(安陆到云梦段)关键节点工程,从桩基到转体历时8个月,跨越繁忙的汉丹铁路,跨度达100米,是全线跨度最大的转体。转体分两次进行,每次转体时间控制在55分钟以内。
湖北日报记者倪娜 视界网周广韬何登摄
湖北日报记者倪娜 视界网周广韬何登摄
据悉,汉丹铁路平均每10分钟就有一趟列车通过,为最大程度降低对既有铁路正常运行的影响,转体时间选定在车流量较少的凌晨。
汉十高铁是我省主导建设的第一条特大铁路项目,总投资527.5亿元。
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