文章介绍了越岭隧道的长斜井、深竖井、平导、横洞的设计和施工情况。
The paper reviews the design and construction of the long inclined shafts, the deep vertical shaft, the parallel adit and the access adit for the tunnel.
文章以郑西铁路客运专线函谷关隧道横洞挑顶为例，介绍了一种新型挑顶施工工艺——垂直挑顶法。
Taking the cross cave propping in Hanguguan Tunnel of passengers special line on Zhengxi railway, this paper introduces a new construction technique of propping - vertical propping method.
如何使公路隧道车行横洞与紧急停车带的连接更加平顺、美观，一直是隧道工程设计和施工的一个研究课题。
It has alway been researched that how to make the interconnecting pie ce traversing tunnel and emergency parking area smooth and pleasing outlook.
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