采用施加在轨道上的一系列移动轴荷载模拟列车作用，利用轨道结构连续弹性双层梁模型，计算出某城市地铁列车运行产生的轨枕与隧道之间的作用力。

Using the continuous elastic double layers beam model of track structure, the forces between the sleepers and the tunnel inlay produced by the running of certain subway train were calculated.

youdao

首次建立了双连拱隧道二次衬砌内力（轴力和弯矩）模型及围岩的稳定与变形的规律。

The model of internal force for the secondary lining and the laws of the deformation and the stability for the surrounding rock have been set up firstly in the double-arch tunnel.

youdao

该版权轴退出隧道。

The prop shaft exit tunnel.

youdao