This paper introduces a reinforce roadbed technology with pipe shed when tunnel bridge pass through roadbed using incremental launching method and highway traffic not be discontinued.
介绍了在高速公路不中断交通的情况下，地道桥顶推施工穿越路基时所采用的管棚支护加固路基技术。
This paper presents the application technique of large steel-pipe-shed for dealing with collapse of tunnel combining the treatment practice of a tunnel collapse.
以某隧道塌方处理为例，介绍管棚法处理隧道塌方的应用技术。
It shows sufficient reliability of lead pipe shed structures, and also shows the applicability for handling the conditions with smaller cover or greater crack or tunnel-body collapse.
说明超前管棚结构有足够的可靠性，对上覆盖较小或有较大断层、隧洞塌方体的处理等匀有较好的适用性。
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