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词汇 Tunneling shield
分类 英语词汇 英语翻译词典
释义

Tunneling shield

中文百科

钻挖式隧道 Tunnelling shield

(重定向自Tunneling shield)
**捷运信义线的隧道钻挖机
沙田岭隧道-东行管道-荔枝角方向(现已通车)

钻挖式隧道是一种建造隧道的方法,这种方法适用在建造软土地层或含水量很高的地层掘进隧道。盾构(shielding)是用于保护地层稳定的掘进机的防护结构,材质为混凝土、铸铁或钢制。实际上盾构为掘进机提供了工作时的临时支撑。

以全断面隧道钻掘机(TBM)(盾构机)施工,称作全断面隧道钻掘工法。历史上英、法两国正是使用此法来穿越英吉利海峡的海床,修建英法海峡隧道。

英语百科

Tunnelling shield 钻挖式隧道

(重定向自Tunneling shield)
Diagram of the tunnelling shield used to construct the Thames Tunnel
The tunnelling shield used for the construction of the Xinyi Line on the ****** Metro system in ******.
The Greathead tunnelling shield in use on the Waterloo & City Railway

A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time that it takes to line the tunnel with a support structure of concrete, cast iron, or steel. In effect, the shield serves as a temporary support structure for the tunnel while it is being excavated.

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