查询词典 tunnel

Deep-buried tunnel; physical model test; double-nonlinearity; hydraulic model; non-linear dynamics

深埋隧道；物理模型试验；双重非线性；水力学模型；非线性动力学

And for the deep-buried pipe, the methods of surface reinforcement and strenghening the surrounding rock from the tunnel face are adopted, which have the effective action on controlling the surface settlement. These measures ensure the safety of gas pipe, and have importat reference value.

对于埋深较浅段，采取了明挖加固法，对于埋深相对较大段，采用地表加固和洞内加固相结合的方法，有效控制了地表和管线的沉降量，确保了燃气管线的安全，对类似工程有一定的参考价值。

Because of complex tectonic boundary condition and high stress environment in deep rock mass,surrounding rock has intrinsic characteristics,which will damage caused by stress redistribution in excavation of deep-buried tunnel .

随着细观损伤岩体力学的发展，采用损伤观点解决深埋隧道围岩破坏问题逐渐显示出其优越性，但目前仅在均质性假设的基础上对应力状态和破坏判据进行研究，缺乏对其破坏全过程的相关研究。

Along with the large-scale construction of infrastructures, such as South-to-North Water Transfer Project, Electronic Power Transmission from West to East, Qinghai-Tibet Railway, Transporting Natural Gas from West to East and West Traffic Infrastructure Construction, many long deep-buried tunnel s and large underground engineering are inevitable.

因此开展深埋隧道围岩系统稳定性与非线性动力学特性研究，无论是对地下空间的有效合理开发、施工优化、确保工程顺利进行，还是对本学科的发展均有十分重要的意义。

By analyzing surrounding rock instability caused by tunnel excavation, surrounding rock instability of deep-buried tunnels is considered as a sudden failure phenomenon, which possesses nonlinearity and discontinuity obviously and shows the uncertainty of mechanical deformation property, nonlinearity of constitutive relationship and catastrophe of failure process.

在分析隧道开挖引起围岩失稳基础上，认为深埋隧道围岩的失稳是一种突发破坏现象，具有明显的非线性和不连续性质，主要表现在力学变形性质的不确定性、本构关系的非线性和破坏过程中的突变性。

Rockbursts of Qinling Tunnel along Xi＇an--Ankang Railway and Dongguashan deep-buried hard rock mine are used to verify this model.

该方法可为深部地下工程岩爆发生可能性及其烈度分级预测提供一种新思路。

Numerical analysis ; high crustal stress ; deep-buried long tunnel ; soft wall rock ; rheology rule ; long-term monitoring ; cure principle

数值分析；高地应力；深埋长隧道；软弱围岩；流变规律；长期监测；治理原则

Hazard caused by harmful gases is one of the main geological hazards of deep-lying long tunnel s.

有害气体是深埋长隧道的主要地质灾害现象之一。

The question of geological disaster will be the biggest barrier to deep-lying long tunnel exploration survey and construction in the future, especially high crustal stress and high external waterpressure question.

地质灾害问题是未来特长隧道勘测及施工的最大障碍，特别是高地应力、高外水压力问题。

In the process of engineering construction of deep-lying long tunnel s,some geological hazards will be met because of the great depth and length and complicated geological background.

深埋长隧道延伸长、埋深大、地质条件复杂，工程建设中常会遇到一系列的地质灾害问题。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。