为了给出合适的限制容许位移地概率分布,研究了超过400个桥梁和300个建筑的观察位移及行为数据。
To formulate appropriate probability distributions of the limiting tolerable displacements, observed displacements and performance of over 400 bridges and 300 buildings are investigated.
地球中部是稍稍膨胀的,历经灾难的陆地位移导致了隆起的轻微减少,让地球变得更圆。
Earth's midsection bulges and the catastrophic land displacement caused a small reduction in the bulge, making the planet more round.
如果就是简单地将这些职位移至下一个廉价劳动力市场,是悲哀的——而那个廉价劳动力市场也许就是美国。
It would be tragic if those jobs simply left again and went to the next cheapest place — and that cheapest place might be the US.
采用一族能较好地逼近弯剪型变形曲线的正交多项式作基函数来描述位移沿竖向变化。
The orthogonal polynomials approximated to shear-moment deformation curves were employed as the basic function to describe the displacement variation along the vertical.
本文系统地分析了多层抗弯钢框架的结构影响系数和位移放大系数。
Then, the structural influencing coefficient and displacement amplification factor are calculated and compared with the analysis result of Pushover method.
因此,传统栅式位移传感器制造工艺复杂,加工要求很高,相应地制造成本也很高。
Therefore, machining technics is complex and requirement is high, which cause the cost of machining is high.
从而成功地实现了对气压焊的焊接压力、气体流量、顶锻位移量等焊接过程参数的控制,并使控制系统具有较快的动态响应速度和较高的控制精度。
So the control of the welding parameter such as welding pressure, gas flux, upsetting length is realized, and the system has a high dynamic response rapid and a high control precision.
运用双位移传感器构成的系统可有效地测量塑料与金属配副时塑料的磨损量。
The twin displacement transducer system can measure effectively the wear of plastic against metal pairs.
支承子系统的位移阻抗特性可由试验求得,或者,当能够很好地建立支承子系统的数学模型时,也可由计算确定之。
The displacement impedance of the support subsystem is determined experimentally, or, by theoretical calculation if the mathematical model of the support subsystem can be well established.
通过振动铲斗激振力及检测铲斗工作状态下的加速度或位移,利用合适算法能够较好地辨识出被掘削土体参数。
According to the vibratory force, acceleration or displacement of the bucket, which are measured in working state, the reasonable identification algorithm of soil parameter is also presented.
一般地,基坑邻域内的地面沉降是地下水位降低和基坑支护结构水平位移等多种因素耦合作用的结果。
Usually, the settlements of adjacent ground and building are caused by both groundwater lowering and the deformation of pit wall.
对计算实例的分析表明,通过半主动控制的滑移隔震结构不但具有较好的隔震效果,且能有效地减小基底的最大滑移量及残余位移。
Numerical results show that the sliding vibration isolation structure using semi-active control not only has good isolation effect, but also has lesser maximum slippage and residual base displacement.
通过半主动控制后,不但具有较好的隔震效果,而且能有效地减小基底的最大滑移量及残余位移。
The sliding structure with semi-active control shows good isolation effect, and the basic maximum sliding displacement and residual displacement were lesser.
对实例计算结果的分析表明,半主动控制下的滑移隔震结构不但具有较好的隔震效果,而且能有效地减小基底的最大滑移量及残馀位移。
Numerical results show that the sliding structure using semi-active control not only has good vibration isolation effect, but also has less maximum slippage and less residual base displacement.
研究如何应用位移秩的方法有效地求出一个给定的结构矩阵的核空间中的一个非零元素。
The main problem considered in this paper is how to find efficiently a nonzero element in the kernel of a given structured matrix by the displacement approach.
而合适的复位弹簧刚度可以在不显著减小隔震效果的情况下有效地控制滑移位移。
The sliding displacement can be controlled by the right stiffness of spring under the circumstance that the effect of isolation doesn't decrease too much.
本研究应用画像处理技术,开发出了一个能自动、高速、准确地测量、计算土的位移的实时测量系统。
In this study, using image-processing technologies have developed the online photometry system for soil displacement, which was possible to measure automatically at high speed and high precise.
根据激光散斑运动规律,这个相关统计特性实时地反映该点的位移或转角的时间历程。
According to the laser speckle movement formula, the statistical correlation relates to the displacement or rotation of the diffusing point in real time.
本研究应用图像处理技术,开发出了一个能自动、高速、准确地测量、计算土的位移的实时测量系统。
In this study, using image processing technologies the on line photometry system for soil displacement has been developed, which is possible to measure automatically at high speed and high precise.
在有实测位移的情况下,可运用位移反分析法较准确地获取等代层的参数。
With the measured data, the parameters of equivalent circle zone can be obtained by back analysis of soil displacement.
大位移井钻井过程中摩阻扭矩的预测和控制是成功地钻成大位移井的关键因素之一。
Predicting and controlling the drag and torque in the process ofd rilling extended reach Wells is one of the key factors to ensure to be successful in the drilling.
数值例题表明,在很少的附加计算工作量下,显著地改善了位移法解的精度。
Numerical results show that the mixed, iterative method promises to add considerable accuracy to displacement-based finite element method results by a small additional expenditure.
程序梅子探讨了如何建立丰富,实用的程序性网络,有效地在IPR渲染利用你的时间,位移映射水和水的材料,一个简单的日光照明设备。
Procedural Plums discusses how to build rich, useful procedural networks, making efficient use of your time in IPR, displacement mapping water and water material, and a simple sunlight lighting rig.
试验结果表明,数字图像相关方法具有可行性,能够有效地测量混凝土在疲劳荷载作用下的位移和应变。
Test results demonstrated that digital image correlation method was effective, which could precisely measure the displacement and strain distribution in concrete under fatigue loading.
根据各向异性矩形板平面应力问题的基本方程精确地求得了位移函数的一般解。
Based on the fundamental equation of an anisotropic rectangular plate in plane stress problem, an accurate general displacement solution is obtained.
结果表明:文中提出的干涉条纹的细化方法可以准确地找到骨架线,为获得面内位移场的等位移线图提供了一种新方法。
The result shows that the method can find the skeleton lines precisely and provide a new method for achieving the line of equal displacement in the plane displacement field.
通过试验得到了输出位移曲线和压力曲线,同时较详细地讨论了影响液压伺服系统压力跃变的主要因素。
The displacement curve and pressure curve of outputting were got through test, the influences on servo hydraulic system about pressure jump were discussed in detail.
用这种位移传感器可方便地实现液压启闭机的位置控制和双缸同步控制,并具有很高的控制精度。
The position control and synchronous control of double cylinders on hydraulic hoist can easily be achieved by adoption of this sensor, with high precision.
推导出埋地管道的平衡微分方程,采用有限差分法分析并计算了轴向嵌固力对管道横向位移的影响。
By deriving balanced differential equation of buried pipeline, adopt finite difference method to analyze and calculate the effect of axial build-in force on pipeline transversely displacement.
推导出埋地管道的平衡微分方程,采用有限差分法分析并计算了轴向嵌固力对管道横向位移的影响。
By deriving balanced differential equation of buried pipeline, adopt finite difference method to analyze and calculate the effect of axial build-in force on pipeline transversely displacement.
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