The formulae for dynamic calculations of underground rock cavity with liner are also given here.
文中还给出了有衬砌的地下岩洞动力计算方法。
The loading conditions in the experiments were designed to simulate the complex loading process of the underground rock.
实验采用的加载条件力求能够模拟地下岩石的复杂受力过程。
U. S. Federal Railway Administration Research and Development Office developed a track surface and underground rock movement investigation system.
美国联邦铁路局研究开发办公室通过一项研究项目。开发出一种轨道表面及地下岩土移动勘测系统。
This model can be directly applied in underground rock projects to predict whether the rock burst will happen and how intensified the rock burst is.
此模型可以直接应用于岩石地下工程，对岩爆的发生与否及烈度大小进行预测。
Spatially non-uniform seismic ground motion, therefore, cannot be taken into account in the seismic safety assessment of the similar underground rock cavern groups.
因此，在进行类似的岩体地下洞室地震动安全评价时可以不考虑地震动空间非一致性的影响。
Furthermore, 23 underground rock projects at home and abroad are also evaluated with the proposed method. The prediction results agree well with the practical records.
为进一步考察该模型的可靠性与实用性，对国内外23个大型岩石地下工程实例进行计算分析，其预测结果与实际岩爆情况也相当吻合。
The initial stress is one of the most important parameters for the design of underground rock engineering, and hydro-fracturing method is a robust technique for stress measurement in deep rock mass.
初始地应力状态是岩石地下工程设计中的重要参数，而水压致裂法是深部岩体应力测量的理想方法。
Remember, magma is hot molten rock that's underground, and it is called lava when it reaches the surface.
记住，岩浆是地下炽热的熔化了的岩石，当它到达地表时就被称为熔岩。
You get bigger cracks and then passageways being formed along the openings in the rock and it's all underground.
你会看到更大的裂缝，然后是沿着岩石的开口形成的通道，这些都在地下。
The latter two sources are limited to those few areas where surface water seeps down through underground faults or fractures to reach deep rocks heated by the recent activity of molten rock material.
后两种来源局限于少数区域，在这些区域，地表水通过地下断层或断裂往下渗透，从而接触到被近期的熔岩活动加热的深层岩石。
Birds shelter in nests, rock overhangs, trees, and dense shrubs to avoid the hottest hours of the day, while mammals like the kangaroo rat burrow underground.
鸟类在巢穴、岩石悬垂处、树丛以及茂密的灌木丛中寻找庇护，以躲避一天中最热的时候；而像更格卢鼠这样的哺乳动物则选择藏身于地下的洞穴中。
Should the carbon dioxide mix with water underground and form carbonic acid, they say, it could leach poisonous materials from rock deep underground that could then seep out.
他们说，一旦二氧化碳与地下水融合极易形成碳酸，而这会把地下岩石中的有毒物质分解出来，从而污染我们的水资源。
The idea behind enhanced, or engineered, geothermal systems is to inject water underground to enhance the permeability of rock, allowing for the release and capture of more heat.
增强型的或是工程型的地热系统将水注入到地下，使岩石的渗透性提高，这样便可以吸收或释放更多热量。
But a new look at Titan's insides reveals even more oddities: Beneath the brittle crust of ice lies a layer of slush. Deeper still is an underground ocean over a solid core of rock and ice.
但最近对泰坦内部的一项新研究却揭开了这颗奇异星球更为怪诞的一面：脆弱的甲烷冰地表之下，覆盖着一层冰泥，更深处依然是一个地下海洋，最中间是冰和岩石并存的固态核心。
The discovery of life-forms so deep underground strengthens the notion that most of the organisms on the planet are in fact hardy, single-celled creatures that live in the rock beneath our feet.
在如此深的地下发现生命再次表明了我们星球上大多数生物是生活在我们脚下岩石中强悍的单细胞生物。
Mount Weather, Virginia, and Raven Rock, Pennsylvania, have been compared to small underground cities.
弗吉尼亚的MountWeather和宾夕法尼亚的雷文洛克山，都被比作小型地下城市。
To be a successful burial site, a body of rock needs to be more than 1km underground.
要成功地封存二氧化碳，需要一块地下1000米以下的岩体。
Underground structures, being confined by the surrounding rock or soil, have long been assumed to have good anti-seismic ability.
地下结构由于受到周围岩体或土体的约束，一直被认为具有良好的抗震性能。
When Sammy isn't underground playing punk rock, she's often perched in the 24th-floor apartment she shares with four other single women in a new tower downtown.
Sammy不玩朋克摇滚的时候，她多半宅在她和另外四个女孩合租的公寓里，房子在市中心，一幢新高楼的24层。
The underground water is very likely to have dissolved in it materials that help it dissolve certain rock materials. The water dissolved most of it away.
地下水很可能将某些物质溶解在水中，这些物质又帮助水来溶解某些岩石物质。地下水溶解一度曾在这里的石灰石，并将大部分石灰石带走。
The horizontal lines across the top half of the image are intrusions of igneous rock, where magma poked up to the surface from deep underground.
照片的上半部是火成岩，由地球深处涌出地面的岩浆形成。
A new method for analyzing the time-dependent convergence deformation of the underground surrounding rock is presented.
研究了地下洞室围岩的时间效应变形特性，提出了分析围岩时间效应收敛变形的一种新方法。
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。
The stability condition of underground cavern adjacent rock is greatly affected by the adjacent rock stress condition.
地下洞室围岩的稳定状态，在很大程度上受围岩应力状态的影响。
An ultrasonic detector for wall rock crack is introduced which is able to detect coal mine underground wall rock looseness range and cracks.
介绍了一种超声波围岩裂隙探测仪，可用于探测煤矿井下围岩松动范围及裂隙情况。
The landslip above mined-out area is a rock-moving type in underground mining.
采空区上覆山体的滑坡是地下开采过程中又一种岩石移动类型。
It studies the bracing method and its mechanism of present weak rock underground project. The bracing countermeasure are made from deformation mechanism and engineering practice.
研究现行的软岩地下工程支护方法及其作用机理，根据软岩地下工程变形破坏力学机制初步确定支护对策。
In the simulation of the process of underground mining, mechanical properties and structural features of rock mass are considered.
模拟考虑了岩体力学特性及岩体结构特征，并模拟了井采过程。
In the simulation of the process of underground mining, mechanical properties and structural features of rock mass are considered.
模拟考虑了岩体力学特性及岩体结构特征，并模拟了井采过程。
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