multi-arch tunnel的意思|示意

During construction of the middle drift of a multi-arch tunnel, collapse accident occurred.

某连拱隧道在中导洞施工时出现坍方。

The paper introduced the choice and construction process of loess multi-arch tunnel middle wall, analyzed monitoring and measurement of strengthening the middle wall for reference.

介绍了在黄土地区双连拱隧道中墙的选择及施工过程，并分析了如何加强对中墙的监控量测等。

The article expounds and summarizes some experience and lesson achieved in the process of multi-arch tunnel design and construction in Zhejiang Province.

介绍和总结了近年来浙江省连拱隧道修建过程中的施工方法、防排水设计等方面的一些经验教训。

The study of construction stimulation and control of multi-arch was run to solve tunnel dynamics construction mechanics.

通过对双连拱隧道施工工艺及施工控制的研究，拟解决隧道动态施工力学问题。

Lishi tunnel is the first loess multi-arch tunnel in our country, which is a solid engineering of scientific research projects belonging to the Ministry of Communications.

离石隧道是我国第一座黄土连拱隧道，是交通部科研项目的实体工程。

According to the final results of analysis, a reasonable excavation length of inverted arch in one step was put forward and applied to the construction of multi-arch tunnel in loess.

最后提出了最佳的黄土仰拱一次性开挖长度，并应用于黄土连拱隧道的施工。