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

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Declared the European Green Capital in 2010, Stockholm is investing in new construction like the City Line tunnel, which will put commuter rail lines underground and double the number of trains able to move through the city.

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