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.
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。
The paper introduces the treating construction technique of Micangkou tunnel underground buried river and cave at Three Gorges Dam alongside highway.
本文介绍了三峡库区沿江公路米仓口隧道地下暗河及溶洞的处理施工技术。
The geological disaster, such as cave of karst, rushing water and collapse often occur in tunnel excavation.
隧道在施工中不可避免地会遇到诸如溶洞、突水、坍塌等常见的地质灾害。
The tunnel site is located in Karstic area with limestones gravels, where is easy to cave in when construction in raining season.
隧道位于岩溶地区，岩溶角砾岩、白云质灰岩在雨季施工时易产生坍塌、突水和突泥现象。
To avoid disasters, while take the construction costs and difficulties into account, determining a reasonable distance between tunnel and karst cave is of great important.
要在避免灾难发生的同时综合考虑施工成本及难度，合理确定隧道与溶洞的安全距离是关键。
Tourist attractions: the land Gap, Gap Guanyin, Xigou gorge, caves Um West Regardless of the site and the "day lock-yun", "Cave", "wind tunnel" and other natural …
旅游景点：土地峡、观音峡、西沟峡、石窟西姑庵遗址及“天门锁云”、“龙洞”、“风洞”等自然景…
It is defined pipe flow flowing that the gas flowing in the tunnel, it is defined the field flow flowing that the gas flowing in the mine space and cave.
我们将气体在巷道中的流动称为管流流动；将气体在采场空间以及硐室内的流动称为场流流动。
You can only enter the cave by inching through a narrow tunnel on your stomach.
你只有伏在地上慢慢爬过一条狭长的地道才能进入山洞。
The plastic zone of the surrounding rock mainly concentrates around the tunnel and the two sides of karst cave while the top and the bottom of karst cave have little plastic zone.
围岩塑性区主要集中在隧道的周围和溶洞的左右侧部，溶洞的顶部和底部处塑性区较少。
The surrounding rock between tunnel and karst cave possibly brings large deformation and rock mass failure because of stress concentration, and its stability is focused seriously.
隧道与溶洞之间的围岩由于应力集中可能使围岩产生过大的变形和岩体破坏，对其稳定性要给予特别重视。
According to the numerical simulation results presented by the water pressure tunnel near cave side deformation formula.
根据数值模拟结果提出了受内水压力时隧洞近溶洞侧变形特征公式。
The underground river consists of the Gushing Snow Cave, The Time Tunnel and The Jade Dew Cave.
兰溪地下长河分涌雪洞、时间隧道、玉露洞三段。
Water from a river flowing beside the cave-in site soon seeped into the tunnel.
水很快在从一条位于隧道旁边的河中渗透到陷落的地方。
In the course of tunnel construction in karst mountain area, huge karst cave with water is the important factor for karst water and mud inrush disaster.
岩溶山区隧道施工过程中，大型充水溶洞是造成隧道突水突泥事故的重要因素。
In the course of tunnel construction in karst mountain area, huge karst cave with water is the important factor for karst water and mud inrush disaster.
岩溶山区隧道施工过程中，大型充水溶洞是造成隧道突水突泥事故的重要因素。
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