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- ANALYSIS AND PREDICTION OF VAULT CROWN SETTLEMENT IN METRO TUNNELING AT SHALLOW DEPTH 地铁隧道施工拱顶下沉值的分析与预测
- Key Construction Technology of Tunneling at Shallow Depth Under Multi-buildings in Beijing City Railway 北京城铁暗挖区间隧道穿越楼群关键施工技术
- tunneling at shallow depth 浅埋暗挖法
- GPR has been widely used in geological exploration at shallow depth with good results. 摘要地质雷达(GPR)探测技术在浅层地质勘探领域广泛应用,并取得较好的应用效果。
- The velocity models obtained by using different data selection criteria and parametrization display similar basic features,showing a high P wave velocity at shallow depth in the SE quadrant, in close connection with a high gravimetric Bouguer anomaly. 选择了几种判别标志与参数化办法以显示其类似的基本特征。 表明在火山的东南象限在浅层,有P波的高速分怖,它同布格重力高异常有密切关系。
- Mechanism of Stratum Deformation and Its Control Practice in Tunneling Urban Subway at Shallow Depth 城市地铁暗挖施工地层变形机理及控制实践
- With the excavation of littoral tunneling at depth shallow, finite software is adopted to simulate the excavation of tunnel using partial excavation method. 结合沿海地区软土地区浅埋暗挖矩形隧道施工,使用有限元软件对分部开挖进行非线性数值模拟,分析矩形隧道初期支护在开挖过程中的地表沉降变形。
- When a whale or dolphin swims at shallow depths, turbulence from its flukes rises to form a circular slick on the surface: the footprint or flukeprint. 当鲸鱼或海豚在浅水中游动时,海水在它们尾鳍的搅动下,表面会涌起一个圆形的平滑水纹:这便是它们的“足迹”或“尾印”。
- Study on construction technique of multi-tunneling at shallow depth of urban subways 城市地铁复杂洞群浅埋暗挖法施工技术
- The application of aperture pipe shed support in under digging pedestrian underpass at shallow depth 管棚支护在浅埋暗挖人行地道中的应用
- The ground pregrouting and pipe-roof protection method have been adopted to treat the soft wall rocks of shallow depth near the portal of Wulong tunnel in Yuhuai railway. 摘要采用地表预注浆和管棚超前预支护技术,对渝怀铁路武隆隧道进口段的浅埋、软弱围岩进行处理。
- A shallow depth, a string is charming, beautiful beaches. 深一脚,浅一脚,串起来是迷人的沙滩美景。
- You can think of this as creating a secure trusted tunnel at the network layer. 您可以将这看作是在网络层创建安全的受信任隧道。
- Three resistivitycurves obtained at deep, middle, and shallow depth of investigation are notoverlapped with each other, and porosity indicated by AC, CNL, and DEN is low. 砂岩的自然电位为负异常,自然伽马为低值,电阻率较低,深、中、浅三条电阻率曲线不重叠,声波时差、中子和密度曲线反映孔隙度偏低。
- The experiments were conducted in a wind tunnel at a location 50 ft downwind from the fan. 实验是在风洞中距离风机50英尺处进行。
- A submarine ridge of relatively shallow depth which separates basins. 低的海底脊分开盆地的一种相当浅深度的海底脊。
- The test running of the small trackless equipments in tunneling at 753 Mine is described. 介绍小型无轨设备在规模较小的753矿巷道掘进中的试验应用情况。
- Growing to about 16 inches (40 centimeters), French angelfish congregate, often in pairs, at shallow coral reefs. 法国天使鱼可长到16英寸(40厘米),通常成对儿的聚集在浅水珊瑚礁中。
- According to above-mentioned methods, the engineering analogy is used to decide the minimum rock cover of subsea tunnel at Xiang Shan harbor. 利用上述三种方法,对象山港某海底隧道的最小岩石覆盖层厚度进行工程类比。
- This paper gives brief description of new technique and new methods applied in construction survey for headrace tunnel at Shiziping hydropower station. 摘要阐述了狮子坪水电站引水隧洞洞内施工测量运用的新工艺和新方法。