开挖隧道

All these tunnels have been excavated by methods of drilling and blasting.

所有这些隧道都是用钻爆法进行开挖的。

The variation of structural characteristics for excavated tunnels was studied.

研究了黄土隧道开挖后围岩结构性的变化规律。

With the rapid development of road and communication of city, the harm effect that the blast vibration induced by building mass undergrounds or tunnels and digging blast underground structures act on the ground environment, are increasingly remarkable.

随着道路、城市交通事业的迅速发展，大量地铁、隧道的修筑，浅埋地下结构的开挖爆破，由此而导致的爆破振动对地面设施，特别是对城市地面建筑的危害效应越来越显著。

Key words: Partial Press; Joint Arch Tunnel; FEM; Construct Order

偏压， 连拱，隧道，方案，开挖

The fault and crush zone is the very difficult and catastrophic sector of the tunnel during the course of excavation and support.

断层及其破碎带是隧道开挖支护施工中难度很大、容易出现事故的地段。

Because of the uncertainty of the geologic information in the front of tunnel driving face, there are many geological disasters, such as landslide, gushing water, sudden mud, rock burst etc, in the tunnel excavating process, which cause the enormous economic losses and even casualties.

中文摘要：在隧道工程的开挖过程中，由于掌子面前方地质条件的模糊性，往往会伴随着塌方、突水突泥、岩爆等地质灾害的发生，造成大量的经济损失甚至人员伤亡。

Now that a tunnel ahs been built through the mountains, the Pass is less dangerous.

如今由于山里开挖了隧道，翻越山口已不那么危险了。

Finally the method is illuminated by an example. The present method will provides a new path for reliability analysis of ground settlement with shield tunnel.

目前，预测隧道开挖地层变形的方法主要有经验公式法、模型试验法、数值模拟法等[1]，但这些都是确定性的分析方法。

Pile may incline due to the excavation of tunnel or pit, incorrect driven sequence and other reasons.

桩基会由于隧道或基坑开挖、扫桩顺序不当等原因而倾斜。

Pile may incline due to the excavation of tunnel or pit, incorrect driven sequence and other reasons.

桩基会由于隧道或基坑开挖、打桩顺序不当等原因而倾斜。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。