This article systematically investigated the dependence of tunnel cross-section areas on vehicle sealing characters.

系统地探讨了车辆气密性能对隧道净空面积的影响规律。

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Free-flow tunnel used more round arch straight wall form cross-section.

无压隧洞多采用圆拱直墙形断面。

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Tunnel cross section deformation ellipse reflects the deformation of tunnel segment under external load.

隧道横断面变形椭圆反映隧道承受外部载荷后的变形情况。

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The research was carried out by archaeologists Jim Leary and David Field, who dug a cross-section tunnel into the monument in 2007.

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