The rock was limestone and the main place that we climbed at was called the “Great Arch.
这里的岩质属石灰岩，我们经常爬的地方叫做“大拱”（穿上洞）。
The rock was limestone and the main place that we climbed at was called the “Great Arch.”
这里的岩质属石灰岩，我们经常爬的地方叫做“大拱”（穿上洞）。
It is indicated that the dynamic amplification of abutment rock body and dam-water-foundation interaction should be considered in the aseismatic stability analysis for high arch dam abutment.
指出高拱坝坝肩稳定分析应考虑坝肩岩体的动力放大和坝-地基-库水的动力相互作用，算例表明所提方法的实用价值。
According to the special structure of precast block of inverted arch for TBM construction tunnel, the dynamic construction state is modeled by FEM with surrounding rock - structure calculating model.
针对TBM施工隧道仰拱预制块的特殊结构，采用围岩-结构模式，进行了模拟施工动态的受力影响计算分析。
Increasing the arch thrust augments the shear stress on the surface of the shearing resistance part, which counteracts the influence of the crushed rock.
同时由于拱向应力的增大，即增大了抗剪面剪应力，抵消了坝体下游破碎岩石的影响。
Based on the theory of rock mechanics and the principle of drifting, the author proposed the suspension arch method of drifting in unstable strata.
本文在总结先拱后墙平巷掘进经验的基础上，根据岩石力学理论和平巷掘进原理，提出了平巷掘进的悬拱法。
For this purpose the mechanism of forming a rock tunnel roof arch and reinforcement will be illustrated with the underground powerhouse in the Three Gorges Project.
为此，以三峡工程地下厂房拱顶设计为例，研究洞顶岩石拱结构形成及加固机理。
Deformation modulus for dam foundation rock must be determined reasonably when stress in dam is analyzed with arch and cantilever trial load method.
在拱梁分载法坝体应力分析时，需要合理确定坝基岩体的变形模量值。
The methods of arch dam abutment rock mass include numerical method analysis and model experiment analysis.
拱坝坝肩岩体的稳定分析方法包括数值分析法和模型试验法。
Through similar material simulation the horizontal and vertical stress of arch rock stratum in pressure equilibrium is observed.
通过相似材料模拟，对压力平衡拱处岩层的水平应力和竖直应力的观测。
The stability analysis of arch dam abutment rock mass include numerical method analysis and model experiment analysis.
拱坝坝肩岩体的稳定分析方法包括数值分析法和模型试验法。
The integral safety of high arch DAMS mainly depends on the stability of supporting rock system.
高拱坝的整体安全主要取决于拱坝支撑岩体的稳定。
Since in soft surrounding rock zone, it is difficult to construction of bi-arch tunnel, and no experience we can learn from.
在软弱围岩地区，双连拱隧道的施工具有极大的难度，没有可以借鉴的经验。
According to the service life limit of stone room and surrounding rock, the circumstances of bearing force are analyzed. On basis combination arch theories, the support parameters are computed.
根据硐室的服务年限及围岩岩性，分析了硐室的受力情况，依据组合拱理论计算出支护参数。
The pressure-arch effect on the stability of jointed rock mass surrounding a shallow tunnel proves to be important.
分析结果还表明，“压力拱”效应在浅埋隧洞节理裂隙围岩稳定性中起着重要作用。
The linear hole patterns and ignition sequence is adopted on the easier shots patterns of arch tunnel. The arch effection of arch rock ring can be overcome , It is favorable for rock fragmentation.
拱形巷道崩落眼布置采用线形炮眼起爆顺序布置，可克服拱形岩石圈的拱效应，有利于岩石的破碎。
For rock roadway layout layer, the necessity and feasibility of using nude alley, a hell of arch, the U-steel shed, bolt net and spraying and other forms of support are expounded.
针对岩巷布置层位，阐述了采用裸巷、砌碹、u型钢棚、锚网喷等多种支护形式并存的必要性与可行性。
The deformation modulus decreases evidently and the nonlinear rheological property is more significant when the rock is immersed, which will affect the stress distribution of arch DAMS.
与干燥状态相比，泡水后软岩除了瞬时变形模量大幅度降低外，流变也很显著，这会对坝体应力带来明显的影响。
The model simulates the discontinuous rock body of dam foundation, the mechanical properties of rock and the entire double curvature arch dam.
试验过程模拟大坝基础的不连续岩体条件、岩体力学特性和整体双曲拱坝。
Study of abutment failure is important in stability analysis of arch dam-foundation systems. FEM cannot effectively simulate the faults and joints in rock foundations.
拱坝—地基系统稳定分析中对坝肩破坏的研究至关重要，而目前广泛采用的有限元法不能够有效地模拟岩石基础中断层、节理等薄弱面的不连续特性。
The dynamic stability analysis of rock mass in high arch dam abutment is one of the main contents of anti-seism research of high arch dam.
高拱坝坝肩岩体动力稳定性分析是高拱坝抗震研究的主要内容之一。
The stability of the abutment rock mass is directly related to the stability of the arch dam.
拱坝坝肩岩体的稳定与否直接关系着拱坝的安全。
In-situ deformation tests are made at 35 points in the unloading zone with conditions of loading path and the maximum pressure similar to that of the arch dam acting on the rock mass.
在卸荷带内进行35点原位变形试验，其加载路径和最大压力与拱坝作用于岩体的条件相似。
Finally, the coal-rock mass in the arch angle and apex is slided, and causes the distortion of local rock pressure, even induces dynamic hazards around working face.
拱角与拱顶煤岩滑落失稳，造成工作面局部压力畸变并诱发动力学灾害。
The large-scale model testing is one of the important methods to research style of structural internal force and stability of surrounding rock in double-arch tunnel.
利用地质力学模型试验方法，对上述两个问题进行了探讨，给出了确定开挖松弛区范围的方法，以及顺层岩质边坡的边坡走向与岩层走向夹角的上限值。
The model of internal force for the secondary lining and the laws of the deformation and the stability for the surrounding rock have been set up firstly in the double-arch tunnel.
首次建立了双连拱隧道二次衬砌内力（轴力和弯矩）模型及围岩的稳定与变形的规律。
From the above analysis, it is shown that under the condition of steel arch support, the support effect of systematic rock bolts in loess tunnel is not obvious, which can be ignored.
综合以上分析表明，在黄土隧道中，钢架支护条件下的系统锚杆支护效果不明显，可以取消。
Sharma's new project on the natural arch, es Pontas, off the coast of Mallorca, Spain, could be the hardest rock climb in the world.
Sharma的又一个新攀爬计划将在西班牙马洛卡的海边进行，这将是世界上最难的自然岩壁线路。
Sharma's new project on the natural arch, es Pontas, off the coast of Mallorca, Spain, could be the hardest rock climb in the world.
Sharma的又一个新攀爬计划将在西班牙马洛卡的海边进行，这将是世界上最难的自然岩壁线路。
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