查询词典 ground shield

Field observations showed that there are two major causes to shield tunnel during ground shaking: earthquake wave propagation and differential subsidence due to earthquake.

一是盾构法隧道结构在地震行波作用下的动力响应分析与抗震设计，二是盾构法隧道在不均匀震陷下的纵向受力研究与抗震设计。

D Numerical simulation of ground surface settlement under overlapped shield tunneling.

交叠隧道盾构法施工土体变形的三维数值模拟。

In order to reduce the inductive current and the power loss caused by the current when the power system runs naturally, this article brings forward a way to reduce the power loss through a multiple impedance to insulate the lightning shield line and ground, so that the system can run economically.

为减小系统正常运行时避雷线中出现的感应电流及其电能损耗，提出了利用复合阻抗隔离避雷线与杆塔的方法，EMTP程序对该方法数字仿真的结果证明了它的可行性和有效性，但系统序阻抗也会随之改变，故有必要调整系统保护的整定，以满足系统对保护的要求。

Shield tunneling ; Ground deformation ; Analytical method ; Gap parameters

盾构隧道；地层变形；解析法；间隙参数

Consider the PROFIBUS DP shield and the ground connection problem first; May will be too long because of the communication line secondly.

首先考虑PROFIBUS DP屏蔽及接地问题；其次可能会因为通讯线路过长。

In the EMC aspect, from designs of earthing, ground system, shield, filter, PCB, software design, and so on, the paper systematically improves the equipment the whole EMC level, also only then like this, can the very good EMC solution be solved, and made EMC test pass through the severe examination rank.

在电磁兼容方面，论文从接地和地系统设计、屏蔽、滤波以及PCB和软件设计等多方面入手，系统地改善设备的整体EMC水平，也只有这样，才能很好的解决EMC问题，使EMC试验通过严酷的检测等级。

This paper analyzed the influence and rule of the setting for the key parameters, constant set, and operator set in GEP and proposed an improved GEP algorithm. The new algorithm was applied in the tunneling fields, and got the horizontal and vertical ground settlement formulas of Double-O-Tube shield. The experiment shows that the mined formulas may match the real value quite well.

本文分析了基本的GEP算法中关键参数、常数集、符号集等设置对公式发现的影响和规律，提出了GEP算法的改进方法，并将其应用在隧道工程领域，得到了双圆盾构施工横向和纵向的地面沉降预测公式，与实测值的比较表明所发现的公式有很好的吻合度。

And the feasibilities of these proposed methods for estimating subsurface ground movements induced by shield tunneling are verified via contrasting their analysis results with finite element analysis results and measured data of some typical project cases.

通过与有限元计算结果及一些典型盾构隧道监测数据的对比分析，证明提出的估算方法能够较好地预测实际工程中盾构隧道施工引起的地表下土体的变位情况。

Finally the method is illuminated by an example. The present method will provides a new path for reliability analysis of ground settlement with shield tunnel.

目前，预测隧道开挖地层变形的方法主要有经验公式法、模型试验法、数值模拟法等[1]，但这些都是确定性的分析方法。

civil engineering and architecture construction ; shield tunnel ; ground settlement ; peck formula ; reliability

盾构施工过程中地表沉降的构成及其机理见表1[2]，表1中影响地表沉降的诸多因素都是随机的，若将确定的参数代入经验公式进行计算或进行数值模拟，所得的结果也是确定的数值，这样可信程度是很低的。

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。