This study clarifies the earthquake-induced damage patterns of rock tunnels and associated affecting factors, which is conductive to aseismic design for tunnels.
研究成果表明隧道受震损害原因与影响因素，可为山岭隧道耐震分析与设计提供参考。
Soft rock tunnels have the characteristics of high ground pressure and large deformation and are difficult to be supported. So they can not be easily controlled with single support method.
软岩巷道多具有高应力、变形大、难支护等工程特征，单一支护方式难以控制围岩变形。
In recent years the reinforced concrete precast element linings are adopted more and more for the soft surrounding rock tunnels. But a perfect assembling method for lining is not performed yet.
软弱围岩隧洞在设计上采用钢筋混凝土装配式预制构件衬砌的方式近年来越来越多，但在施工上还一直没有形成一套较完善的衬砌安装方法。
Calculation method and values of smooth blasting parameters in rock tunnels are presented in this paper after smooth blasting principle and influence factors are analyzed with practice experience.
通过对光面爆破原理和影响因素的分析，结合实践经验，给出了相应的岩石巷道掘进光而爆破主要技术参数的理论计算方法和经验数值。
On the base of the rock mechanical properties, the mechanical deformation process of the passive maintained soft rock tunnels was analyzed, the mechanical principle for the active support is raised.
根据岩石的力学性质，分析了软岩巷道被动维护变形的力学过程，提出主动支撑的力学原理。
The city is famous for water tunnels and stone structures carved in the rock, including Ad-Dayr, "the Monastery," an uncompleted tomb facade that served as a church during Byzantine times.
城市以水渠与岩石雕刻工程而闻名，其中包括“代依尔”修道院，一座未完工的陵墓正面外观，它在拜占庭时期被用作教堂。
The city is famous for water tunnels and stone structures carved in the rock, including Ad-Dayr, “the Monastery,” an uncompleted tomb facade that served as a church during Byzantine times.
城市以水渠与岩石雕刻工程而闻名，其中包括“代依尔”修道院，一座未完工的陵墓正面外观，它在拜占庭时期被用作教堂。
Soft rock wall of tunnels in deep mining will have large creep deformation when the stress in rock is near its ultimate strength.
在深井软岩条件下，巷道围岩应力状态处于岩石强度极限邻域内，围岩会产生较大的蠕变变形。
Bifurcated tunnel is one of the new type tunnels, the excavation way and support style are key factors to the rock stability.
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。
These canals are frequently excavated through rock, and require tunnels, flumes, syphons, aqueducts and open concrete-lined channels.
这些水渠往往要凿通岩石，并需要地道、引水沟、弯管、渡漕和混凝土水道。
Rock Burst is one of the main engineering geology problems of deep-lying long tunnels.
岩爆是深埋长隧道的主要工程地质问题之一。
The interaction between soft-weak Surrounding Rock and initial support of deep buried tunnels has become one of the most important subjects in underground engineering research.
深埋隧道软弱围岩与初期支护的相互作用是地下工程研究的重要课题之一。
Sandwiched rock between twin closely spaced tunnels is in complicated and three-dimensional stress state.
小净距隧道的中间夹岩处于复杂的三维受力状态。
The stress and deformation analysis for surrounding rock of tunnels is an important task in tunnels design.
隧道围岩应力和变形分析是隧道设计的重要内容。
Around the same time, deep and lengthy tunneling of road and rail tunnels was conducted in order to coordinate with mining activities, resulting in reports of similar rock bursts.
深深大概在同时，和长挖洞路和铁路隧道被举办为了协调与采矿活动，造成相似的岩石报告破裂。
By considering the variations of the cohesion and the Angle of internal friction for rock, the parameter studies on the stress distribution around one and two tunnels were carried out.
考虑岩石粘聚力和内摩擦角的变化，进行了一个和二个隧道周围的应力分布的参数研究，内摩擦角？
Tunnels in rock are all dug by the method by drilling a small hole, packing explosive and dynamiting.
在岩石层的隧道均采用钻眼、装药、爆破的方法开挖。
A finite element method for the design of the lining of pressure tunnels in complex-swelling rock, considering its coupled-rheological behaviour and the seepage effect is presented in this paper.
本文提出了一种在复合膨胀岩体中考虑其耦合流变性态和渗流效应以设计有压隧洞衬砌的有限元方法。
Due to the weak surrounding rock, high ground stress. easy collapse and big deformation, the construction of tunnels with mudstone were very difficult.
泥岩隧道围岩软弱，地应力强烈，易坍塌大变形，修建困难。
In the process of creating roads and tunnels in the soft sand, he discovered a large rock in the middle of the sandbox.
在柔软的沙中堆砌道路和隧道的过程中，他在沙箱的中央发现了一块大石头。
The support for porous and broken wall rock has been a major technical challenge in construction of highway tunnels.
软弱、破碎围岩的公路隧道支护一直是困扰公路隧道施工的技术难题。
The geological conditions of tail water system are complex, for example, tunnels penetrate soft rock, and stability of the outlet sides is bad.
构皮滩水电站尾水系统地质条件复杂，软岩成洞及尾水边坡稳定性差。
Consequently, it becomes increasingly important for the study of stability of surrounding rock and its forced condition of the structure during construction of highway tunnels.
因此，隧道施工过程中洞室围岩稳定性评价与支护结构受力状态的研究显得日益重要。
High stress rock burst and water outburst occurred in Erlangshan and Huayingshan road tunnels separately.
对二郎山和华蓥山隧道在建设过程中的高地应力岩爆与岩溶涌突水问题进行了研究。
The particular system of timbering depends on the rock formations through which the tunnels pass.
采用何种支护方法取决于井巷穿过的岩层结构。
Stress analysis of tunnels is performed based on initial stress measurements in the base rock.
对隧道的应力分析执行根据在基本的岩石的最初的重音测量。
Stress analysis of tunnels is performed based on initial stress measurements in the base rock.
对隧道的应力分析执行根据在基本的岩石的最初的重音测量。
应用推荐