超前管棚支护是隧道施工中穿越软弱破碎围岩的一种有效的预支护方法。
The shed-pipe advanced support that passes through soft cracked rock mass in tunnel construction is an effective pre-supporting method.
超前注浆管棚支护是一种避免在软土地层或含水地层中盾构隧道开挖面失稳的有效技术。
The advanced pipe grouting is an effective technique to avoid the instability of shield-tunneling faces in soft or water-bearing ground.
管棚复合钢支撑技术，是一个通过超前管棚、支撑钢拱、白铁皮隔离、工作面封堵的相互配合和共同作用，形成了具有强大支护抗力的复合支护体系。
Pipe lodgepole-steel tunnel support technique is a strong composite support system consisting of advance pipe lodgepole, support stell vault, tin plate packer and working surface plug-back.
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