开挖隧道会威胁到斯图加特的地下泉。
施工最困难的隧道是在一条河的下面一定深度处或水域其他部分中开挖隧道。
The most difficult tunneling is that undertaken at considerable depths below a river or other body of water.
此表达式可以更加合理的求解开挖隧道临界垮落载荷，为衡量隧道稳定提供理论依据。
The loads of tunnel critical failing model are taken into account in the formula reasonably, which is also the important theory to identify tunnel stability.
软土中的机械预切槽法是超前支护的一种，在预筑拱的保护下可以安全高效地开挖隧道。
The Mechanical pre-cutting method used in soft ground is a kind of preparative support, it allows tunnel excavation work to be conducted efficiently under the safe pre-lining.
盾构掘进法开挖隧道引起的地表沉降对地面建筑物影响在地下工程施工中越来越受到人们的关注，而这个问题的关键是要对地表沉降进行预估。
The influence of surface subsidence on ground building, caused by shield tunneling is concerned by more people, but the key of this problem is to pre-estimate the surface subsidence.
并针对动态模拟隧道开挖这一难题利用离心模型对深圳地铁sk3 + 395断面进行了尝试性的研究，取得了一定的进展。
On the puzzle of dynamic simulation of tunnel excavation with centrifuge model, this thesis makes a trial research on the section of SK3 + 395 of Shenzhen Metro and has made some progress.
分岔隧道是一种新型的隧道结构形式，其设计方案、开挖支护方法对围岩稳定性至关重要。
Bifurcated tunnel is one of the new type tunnels, the excavation way and support style are key factors to the rock stability.
因此，研究隧道开挖对周围地层的影响是一个十分重要的课题。
So it is important to research the effects of tunneling on soil around.
超前注浆管棚支护是一种避免在软土地层或含水地层中盾构隧道开挖面失稳的有效技术。
The advanced pipe grouting is an effective technique to avoid the instability of shield-tunneling faces in soft or water-bearing ground.
盾构隧道法开挖凭借自身的优势成为城市地下施工的主要手段，其中土压平衡式盾构目前在国内使用较为普遍。
Shield tunneling method has become a primary method in underground excavation with its predominance, earth pressure balanced shield tunneling (EPBS) is the most universal type in our country.
小型隧道掘进是一种无需开挖的地下管道施工技术。
Small size tunnel driving is a construction technology of underground piping without excavation.
采用两阶段分析方法，提出了隧道开挖对群桩竖向位移和内力影响的解析计算方法。
A simple analytical two-stages method for determining the settlement and internal forces of group pile caused by tunneling was present here.
为此，本文分析了在黄土隧道开挖中产生坍塌的原因，对如何在施工中预防坍塌进行了简要的探讨。
Therefore, this article analyzes the reasons that generating loess collapse in tunnel excavation and how to prevent collapse in the construction is briefly discussed.
由于岩体在加载和卸载条件下应力路径的不同，仅采用加载条件下所建立的力学模型来研究隧道的开挖稳定性问题是不适合的。
Due to the difference in stress paths between the loading and unloading conditions, it is unsuitable to apply mechanical model under loading condition to stability of tunnel excavation.
根据隧道开挖后其周围地应力变化的观测数据，建立了基于优化算法的岩体初始应力场识别方法。
The optimal algorithm is applied to determine the initial stress field of rock mass according to the stress changes around tunnel after excavation.
应用弹塑性介质的本构理论，视岩体为弹塑性体，得到隧道开挖引起的地层应力变化计算公式、计算程序。
In the application of elastoplastic medium theory, the rock and soil are assumed to be elastoplastic medium, and the stress change due to tunnel excavation can be calculated, too.
由于隧道开挖采用多段微差爆破，所以多数实测爆破地震波中存在多个优势频率峰值，能量带分布很宽。
Multi-millisecond blasting is used in tunnel excavation, so there are several dominating frequency peak values in actual observation blasting seismic, and the energy distribution belt is wide.
由于黄土具有结构性、欠压密性和土结构性受损易发生湿陷等特性，再加上会路连拱隧道施工开挖工序多，结构受力复杂。
Loess has the characteristics of structural properties, such as incomplete consolidation, collapsibility; and the multi-arch tunnel of highway has complex excavation steps and structure stress.
其研究对指导隧道工程开挖爆破施工和保证地面建筑物安全起到了重要作用。
This study will play an important role in guiding the excavation blasting construction of the tunnel project and assuring the safety of ground buildings.
用ANSYS进行的三维隧道开挖数值模拟的命令流。
Carried out using ANSYS three-dimensional numerical simulation of tunnel excavation command stream.
通过新风积砂隧道采用小导管超前预支护技术成功克服了短隧道的开挖问题。
Whereas the new wind-blown sand tunnel has adopted small duct leading pre-bracing and overcome problem with excavation.
建立了新的隧道工程开挖围岩位移预测和稳定性预报模型及其分析方法。
Analysis models of displacement prediction and stabilization forecast of surrounding rock of highway tunnel excavation are established.
因支护或衬砌增加的开挖量由甲方代表按实计量并折算成隧道延米计价。
Due to support or increased excavation volume caused by lining, Party a shall measure again and converted it to total length of the tunnel.
渗透系数的空间变异性使得隧道开挖后围岩应力有明显的非连续性，对裂隙介质的耦合过程起着重要作用。
The spatial variability in permeability plays an important role in the coupled hydro-mechanical processes of the fractured rock mass and induces a discontinuous distribution of principal stresses.
针对大跨度隧道施工，本文主要从监控量测方案的制定和实施等方面浅谈了大跨度隧道开挖施工方法。
For a large span tunnel, this paper from the Monitoring the development and implementation of programs such as a large span of the tunnel excavation method.
然后利用地下水动力学法、地下水径流模数法对隧道开挖涌水量进行了预测。
Then water inflow in tunnel is forecasted using groundwater dynamics and groundwater modulus of runoff.
基于隧道开挖的工程实例，采用有限元方法，分析了临近桩基的隧道开挖对建筑物桩基的影响。
Based on the tunnel excavation engineering practice, finite element method is selected to analyze the influence of building pile foundation induced by adjacent tunnel excavation with different depths.
如今由于山里开挖了隧道，翻越山口已不那么危险了。
Now that a tunnel has 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。
Now that a tunnel has been built through the mountains, the Pass is less dangerous.
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