NATM and shield driven method are two main kinds of underground excavation construction methods in urban metro works.
浅埋暗挖法和盾构法是城市地铁采用暗挖施工的两种主要的暗挖施工方法。
This paper puts forward the concept and method about the network graphics of underground excavation cluster of hydropower station firstly.
本文首先提出了水电站地下洞室群空间网络图化的概念和方法。
Because of the poor strength and the typical creep character of the soft rock, it is difficult to excavate and support the underground excavation.
软岩强度低，且具有明显的蠕变特性，常给地下巷道的开挖和支护带来很大的困难。
Based on the in situ measurement, this paper discusses the key problems which effect the deformation and stability of underground excavation pit in Shanghai soft soil.
本文依据现场测量论述了影响上海软土深基坑变形和稳定的关键问题。
The influence of the groundwater, seismic loading and the coupling of the two on the mechanical behavior of the underground excavation in the jointed rock mass is investigated.
本文主要讨论地下水、地震荷载以及地下水与地震耦合作用对节理岩体中地下洞室围岩力学响应的影响。
Underground excavation leads to surface subsidence. Once the surface deformation value exceeds a certain limit, the railway in surface subsidence area will be seriously damaged.
地下开挖工程导致地表沉陷，一旦地表变形值超过一定界限时，地表沉陷区内的铁路就会受到严重破坏。
As a result, the deployment of the design method of the hydropower plant ventilation and air conditioning systems in the underground excavation cluster has great practical meanings.
所以展开水电站地下洞室群通风空调系统的设计方法的研究具有现实意义。
Oriented toward the development of a 3D visual modeling system for geological and mining engineering, a voxel- based algorithm for computing underground excavation volume is proposed.
根据地矿工程体视化仿真系统研究工作的需要，提出了一种基于体素的地下采掘工程量的计算方法。
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.
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。
Thus the concept of tectonic stress general changed stress must be introduced into the anticipate formula system of tectonic stress ground surface subsidence caused by underground excavation.
引入概化地应力概念，导出了构造应力作用下地表变形的预计公式体系。
The paper analyses CFD commercial soft in-depth, puts forward some problems when CFD commercial softs are used in he underground excavation cluster of hydropower station and corresponding resolvent.
本文首先对目前常用的CFD商用软件进行了深入地分析，并提出了其在地下电站应用中的一些问题以及相应的解决方法。
Small size tunnel driving is a construction technology of underground piping without excavation.
小型隧道掘进是一种无需开挖的地下管道施工技术。
The deformation amount of weak rock, which is often encountered in excavation of underground caverns, directly affects the stability and safety of caverns.
软弱岩石在地下洞室开挖中会经常遇到，其变形量的大小，直接影响着洞室的稳定与安全。
In underground structure, excavation method has a great impact on land subsidence and structure stability.
在地下结构中，开挖方式对地表沉降和结构稳定影响很大。
As underground structure, cavern excavation will influence the stability of surrounding rock.
作为地下结构，调压井洞室开挖会对围岩稳定造成影响。
On the other hand, drilling and blasting are main construction method of the underground project excavation, it can't be ignored that the vibration response of surrounding rocks on dynamical loads.
另一方面，钻爆法仍然是地下工程开挖的主要施工方法，围岩在动态荷载作用下的振动响应也是一个不可忽视的问题。
Ledge beam is important and difficult in underground powerhouse excavation.
岩壁梁是地下厂房开挖中的重点和难点。
The excavation technology and design parameters of a polit chamber blasting of underground drainage system in Xiaowan power station are introduced.
介绍了小湾电站右岸地下排水系统的小洞室开挖爆破技术和设计参数。
During the excavation of underground chamber in the soft rock, lining thickness are increased to keep the stability of surrounding rock.
在软弱岩体中进行地下洞室开挖时，通常采用加大衬砌厚度来维持围岩的稳定。
The control of blasting vibration in the excavation of underground powerhouse is the key factor influencing the construction safety of underground powerhouse.
在地下厂房开挖支护过程中，爆破震动控制直接影响到高边墙的稳定及岩锚梁结构安全。
The soil properties and underground water level affect the excavation of foundation pit to a great extent.
基坑的开挖在很大程度上受土质和地下水位的影响。
The model can predict displacement which is caused by excavation in underground engineering and can predict stable displacement over a long period of time after formed excavation.
运用灰色理论建立预测地下工程开挖位移的模型，预测成洞后长期的开挖稳定位移，为工程开挖提供了较为有效的方法。
It may avoid stopping transportation and polluting city environment to have excavation in the open replaced by shallow-concealed excavation for large scale underground cable tunnel construction.
采用浅埋暗挖法施工地下电缆隧道取代明沟开挖法，可避免阻断交通、污染城市环境。
The causes of abnormal quality of environmental water due to excavation of the underground powerhouse group of a pumped storage power station were analyzed in this study.
分析了某抽水蓄能电站地下厂房硐室群开挖引起环境水水质异常的成因。
Rock burst is a kind of catastrophe during the excavation in underground projects. It is a process of energy release and rock block casting.
岩石冲击是地下工程开挖过程中的一种灾害，它在抛掷岩石过程中，表现出能量释放现象。
Finally the general direction for further exploration and excavation of underground hot water is proposed.
结合成因分析，为今后进一步勘探和开发地下热水提出了总体方向。
Numerical analyses on underground cavern excavation have shown the effectiveness of the procedure and the advantages of adaptive multi-grid FEM in the simulation of excavation process.
通过算例说明了方法的有效性以及自适应多重网格有限元用于开挖施工过程模拟分析的优越性。
Althouth the architectural structures above ground have been destroyed, the underground vaults, as excavation so far shows, are most magnificent.
西夏王陵的地面建筑都已被毁坏。从已开掘的墓葬来看，地下建筑十分宏伟。
Althouth the architectural structures above ground have been destroyed, the underground vaults, as excavation so far shows, are most magnificent.
西夏王陵的地面建筑都已被毁坏。从已开掘的墓葬来看，地下建筑十分宏伟。
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