double multi-arch tunnel 双连拱隧道
Fuxi Multi-arch Tunnel 富溪连拱隧道
Deep multi-arch tunnel 深埋连拱隧道
road multi-arch tunnel 公路连拱隧道
loess multi-arch tunnel 黄土连拱隧道
highway multi-arch tunnel 公路连拱隧道
Large span multi-arch tunnel 大跨径连拱隧道
multi-arch tunnel of highway 公路连拱隧道
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。
Combined with the construction experience, the paper discussed the key technology of double multi-arch tunnel construction for reference.
结合近年来的施工经验，对双连拱隧道施工主要控制点的关键技术进行阐述，供今后的工程施工参考。
Small clearance tunnel is a tunnel form between separated tunnel and multi-arch tunnel. It is much easier to construct, waterproof and control the cost.
小净距隧道是介于分离式隧道和连拱隧道之间的隧道结构形式，该结构形式比连拱隧道施工工艺更简单，且易于防水处理和造价控制。
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