A simulation of dynamic forces acting on invert prefabricates in TBM construction tunnel is made with surrounding rock-structure model by using ANSYS software.

运用计算软件ANSYS，采用围岩—结构模式，对TBM施工隧道仰拱预制块进行模拟动态施工的受力计算研究。

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According to the special structure of precast block of inverted arch for TBM construction tunnel, the dynamic construction state is modeled by FEM with surrounding rock - structure calculating model.

针对TBM施工隧道仰拱预制块的特殊结构，采用围岩-结构模式，进行了模拟施工动态的受力影响计算分析。

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They're worried the tunnel construction could damage the site and get in the way of their work.

他们担心修建隧道会破坏现场，且妨碍他们的工作。

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Construction of the tunnel started in November 2007.

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Proponents of the project argue construction of the tunnel will provide economic benefits for Russia by allowing the country to develop its resource-rich, remote Far East region, while providing the U.S. with a reliable source of long-term energy.

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In June, copper cabling worth tens of thousands of pounds was stolen from the Channel Tunnel Rail Link construction site.

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