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Design and construction challenges of hard rock TBMs at the Gotthard Base Tunnel

机译:哥德哈底隧道硬岩TBM的设计和施工挑战

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摘要

The Gotthard Base Tunnel (GBT) is 57 km (35 miles) long and consists of two parallel single-track tubes with an excavation diameter ranging from 8.8 to 9.5 m (28.8 to 31.2 ft). These are interlinked by cross-passages every 312 m (1,000 ft). Two multifunction stations (MFS) are located in the sections Sedrun and Faido, at one-third and two-thirds of the entire tunnel length (Fig. 1). These will be used for the diversion of trains to the other main tube via tunnel crossovers, for the housing of technical infrastructure and equipment and for potential emergency stops.
机译:Gotthard Base隧道(GBT)长57公里(35英里),由两个平行的单线管组成,开挖直径为8.8至9.5 m(28.8至31.2 ft)。每隔312 m(1,000 ft)通过通道相互连接。两个多功能站(MFS)位于Sedrun和Faido段,分别占整个隧道长度的三分之一和三分之二(图1)。这些将用于将火车通过隧道交叉点转移到另一个主管,用于技术基础设施和设备的住房以及潜在的紧急停车站。

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