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社评“一次残忍的㓜交t”-梳理天下新闻

虎跳峡金沙一次残忍的㓜交t江铁路大桥上的检修尖兵:寒风中战“三高”

来源: 光明网
2024-11-29 22:11:46

最佳回答

“一次残忍的㓜交t”虎跳峡金沙一次残忍的㓜交t江铁路大桥上的检修尖兵:寒风中战“三高”

  坐落一次残忍的㓜交t于云南著名景区虎跳峡上的金沙一次残忍的㓜交t江铁路大桥是丽江至香格里拉铁路(下称“丽香铁路”)的重点控制性工程,两端分别连接玉龙雪山隧一次残忍的㓜交t道和哈巴雪山隧道,全长882.5米,是世界首座大跨度钢桁梁铁路悬索桥。

  近日,丽香铁路开通满一周年。这一年内,列车的平稳运行离不开铁路职工们的辛勤付出。其中就有一群“高空舞者”,负责虎跳峡金沙江铁路大桥桥体日常维修养护这一任务。他们需要对大桥主缆、塔身主体结构、大桥阻尼器等进行巡检。

  桥隧工们完成大桥的全面检修需要从墩台底部一直检查到距桥面高 66 米的主塔上。检修主缆时,单侧巡检往返大概需要3个小时,行走在主缆上,脚下是湍急的虎跳峡江水,身旁是呼啸的寒风,每一步都需要格外小心。由于虎跳峡金沙江铁路大桥结构复杂,养护它面临的是一场高空、高寒、高海拔的“三高”考验。

  杜潇潇 万亚君 吴绮云 云南迪庆报道

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