渝怀铁路圆梁山隧道长11.068千米，是新建渝怀铁路头号控制性工程，进口端大跨长905米，出口端隧桥相连，正洞右侧30米设平导，全长11182米，其中高压富水段长24000米。全隧道床为枕埋入式无渣整体道床。
Yuanliangshan tunnel, with a total length of 11.068km, is the longest tunnel on Chongqing-Huaihua railway now under construction.
圆梁山隧道是目前正在修建的渝怀铁路线上最长的隧道,隧道全长11.068km。
参考来源 - 圆梁山隧道岩溶突水机理及其防治对策·2,447,543篇论文数据，部分数据来源于NoteExpress
本文通过瓦斯综合防治技术，解决了圆梁山隧道的瓦斯施工安全问题。
By taking comprehensive gas prevention and control measures, the safety of the construction of Yuanliangshan tunnel under gas conditions is guaranteed.
介绍圆梁山隧道出口端各个施工阶段的施工方案及相应的机械设备配置。
The paper presents the construction methods and corresponding machinery matching schemes adopted in each construction stage of exit portion of Yuanliangshan tunnel.
圆梁山隧道所处毛坝向斜存在高压富水，给隧道的设计与施工带来了很大的难度。
There is high pressure and abundant water in MaoBa syncline where Yuanliangshan tunnel lies, that brings a great many difficulties for design and construction of the tunnel.
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