隧道按埋深分类应考虑的主要因素之一是围岩的变形破坏方式，而后者与围岩的初始应力状态密切相关。
One of the important factors taken into account in the tunnel classification is the style of deformation and failure, which is related to initial stress state in wall rock.
正确地进行围岩分类是隧道设计与施工的基础。
It is the basis of design and construction for tunnel, that surrounding rock is classified correctly.
提出了隧道工程围岩大变形类型、机制系统的划分原则和分类体系。
The thesis presents classified principle and system of types and mechanism of Great Wall rock distortion of tunnel engineering.
对运河隧道建造时的工程风险进行评价和分类，确定主要风险因素并提出对策。
Canal tunnel construction project risk assessment and classification, identify key risk factors and come up with strategies.
围岩质量分类是隧道及地下工程领域重要的技术工作之一。
Stduy on index selection of surrounding rock classification for cohesive soil tunnel;
本文首先对过渡时期的主要技术进行了介绍和对比，详细研究和介绍了隧道技术的功能、原理和分类。
This paper firstly described and compared major transition technologies in transition period, researched the function, principle and classification of tunneling.
本课程系统介绍了桥梁与隧道工程结构试验的目的、分类、原理及方法、应用及无损检测技术。
This curriculum system introduced the bridge and the tunneling structural testing goal, the classification, the principle and the method, the application and the lossless examination technology.
本课程系统介绍了桥梁与隧道工程结构试验的目的、分类、原理及方法、应用及无损检测技术。
This curriculum system introduced the bridge and the tunneling structural testing goal, the classification, the principle and the method, the application and the lossless examination technology.
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