2) leading steel pipeline shed
超前大管棚
1.
The application of leading steel pipeline shed previous timbering technology in Dongtian tunnel;
超前大管棚预支护技术在东田隧道中的应用
3) long pipe-shed pre-reinforcement
长管棚超前支护
1.
With the construction case of 65m long pipe-shed pre-reinforcement,the paper introduced the construction technology of long pipeshed with Haiwangxing-508 drilling machine,and discussed the feature requirement of drilling machine in the construction.
结合65 m长管棚超前支护的施工实例,介绍了海王星-508型钻机在长管棚施工中采用的施工工艺,并探讨了长管棚施工对钻机的性能要求。
4) lead pipe-shed support
超前管棚支护
1.
The application of lead pipe-shed support in tunnel construction;
超前管棚支护在隧道施工中的应用技术
5) large-scale lead pipe grouting
超前大管棚注浆
1.
By means of water drainage and blockage, and with large-scale lead pipe grouting technology, the tunnel goes through the poor geology zone smoothly.
吊钟岩隧道DK250+130处,隧道拱部突发涌水、涌泥石,造成掌子面堆积,采用排堵水和超前大管棚注浆相结合的施工技术,顺利通过了该不良地质地段。
6) lead pipe-shield pre-support
超前管棚预支护
1.
Taking the construction practice of pedestrian inclined shaft passing through the quicksand bed in Xiyu Coal Mine, Taiyuan City, as the example, this paper expounds the principles of lead pipe-shield pre-support, the design of pipe-shield support, the construction technology, and the forms of secondary support, etc.
以太原西峪煤矿行人斜井过流沙层的施工实践为例,叙述了超前管棚预支护方法的支护原理、管棚支护设计、施工工艺以及二次支护的形式等。
补充资料：棚棚硬
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