查询词典 ground shield

It is shown that the friction force and bulkhead thrust are the main factors of shield thrust setting, while the friction between the cutterhead and soil is the main factors of cutterhead torque setting. Friction force between shield and soil would make front soil of shield upheave, and subsidence of surface soil is induced by ground loss when the friction force between the cutterhead and soil results in the surface settlement asymmetrical distribution.

通过计算发现，盾构施工中盾壳摩擦和正面推力是盾构推力设置的主要因素，而刀盘与土体摩擦是刀盘扭矩设置的主要因素，盾构前方土体隆起主要由盾壳摩擦引起，刀盘摩擦作用主要引起地表沉降的非对称分布，地表沉降主要由盾尾空隙产生。

Ground loss model of tangent double circles is adopted to establish a uniform ground movement pattern of shield tunnel by introducing the coordinate parameter of movement focus.

土质软硬决定了隧道周围土体的移动方向，移动焦点在隧道中心点与隧道底部位置之间变动。

In order to control ground settlement and reduce ground deformation,thrust hydraulic system and screw conveyor hydraulic system of shield tunnelling machine were designed with electro-hydraulic proportional control technology.

为了控制地面沉降，减少地表变形，采用电液比例控制技术对盾构掘进机推进液压系统和螺旋输送机液压系统进行了集成设计。

And a new method is presented to describe the profile of ground settlement around a shield tunnel. And then it is used to estimate subsurface ground settlement with the equation presented by Mair.

另外，在已有研究成果基础上，提出了一种新的盾构隧道沉降槽的描述方法，并结合Mair等提出的计算公式对盾构隧道施工引起的地表下土体沉降变位进行预测。

The central design is a shield emblem, on the shield surface the top left-hand corner and the right bottom for the red ground three golden lion, symbolizes England; Top right-hand corner red lion which first half stands for the gold, symbolizes Scotland; The left bottom for the blue ground golden yellow harp, symbolizes Ireland.

中心图案为一枚盾徽，盾面上左上角和右下角为红地上三只金狮，象征英格兰；右上角为金地上半站立的红狮，象征苏格兰；左下角为蓝地上金黄色竖琴，象征爱尔兰。

We are the only company to master techniques of shield tunneling in petroleum and petrochemical fields. We have 3 sets of slurry balanced shield tunneling machine produced by Germany with world advanced technology, including 1 set of 2440mm inner diameter and 2 sets of 3000mm inner diameter, with total value of RMB113 million. We have the ability of construction in various complicated ground condition and annual completed tunnel will be more than 6km.

公司是石油、石化行业唯一掌握盾构施工技术的企业，拥有代表世界先进水平的德产泥水平衡式盾构机3台，其中1台内径为2.44米，2台内径为3米，总价值 1.13亿元，具备驾驭各种复杂地质条件的施工能力，每年可完成隧道盾构6公里。

These assemblies allow you to connect the shield to chassis ground at the point of entry , or to pin 1, or to lift one end of the shield.

这些组件允许你连接盾牌底盘地面上的切入点，或以第一脚，或解除一端的挡箭牌。

Based on uniform ground movement pattern of shield tunnel, two-dimensional analytical solution of soil deformation induced by shield tunneling construction is deduced; and the method is applied to different construction phases.

Loganathan等提出的研究方法，通过对Verriujt计算公式进行修正，推导得到盾构施工过程中由于土体损失引起的土体变形二维解，该方法适用于施工阶段。

With this shield in place, the noise current generated by the electrostatic voltage source and the coupling capacitance flows through the shield to ground rather than through the signal conductors.

有了这种屏蔽，由静电电压源和耦合电容产生的噪声电流就经过屏蔽流到地，而不再流过信号线。

Based on the method used to calculate ground elastic displacement around deep tunnel and some researches on gap parameter of shield tunnel, a brief method for estimating subsurface ground horizontal movement induced by shield tunneling is presented.

在深埋隧道周围土体弹性位移计算方法及盾构问隙参数研究成果的基础上，通过相应的分析和假设提出了一种预测盾构隧道施工引起地表下土体水平变位的简便估算方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。