The ground vibration by demolishing building mostly spreads with S-wave, P-wave, R-wave.
爆破拆除塌落触地产生触地震动，主要以S波、P波和R波三种地震波的形式向外传播。
The attenuation characteristics of ground vibration caused by pile driving were proposed.
从而得到了打桩引起的地面振动的衰减特性。
Boeing also confirms that ground vibration testing were concluded last week on the second test aircraft, ZA002.
波音表示，地面振动测试已经于上周在第二架测试飞机-ZA002上完成。
An experiment was carried out to study the ground vibration induced by vehicle corssing speed control humps.
本文还对车辆通过减速带时引起的地面振动进行了实测研究。
Excitation equivalence in ground vibration test with respect to real flight vibration environment is studied.
研究飞行振动环境载荷地面试验模拟的等效性问题。
Subsidiary costs for insurance premiums, inspections and ground vibration control can add up considerable amounts.
保险费，检查和地层振动控制的辅助费用可增加相当可观的数额。
Caused by the earthquake ground vibration is a complex exercise, it is by the P-wave and S-wave interaction results.
地震所引起的地面振动是一种复杂的运动，它是由纵波和横波共同作用的结果。
The effects on the ground vibration by the factors such as the length, the load and the speed of the train are analyzed.
振动加速度峰值受轮轴荷载的影响较大，基本上呈线性增加趋势；而列车长度对振动加速度的影响较小。
The analysis shows that increasing the excitation frequency of the source reduces the decay rate of the ground vibration.
分析表明，对理想弹性半空间来说，增大扰频会减小地面波动衰减率。
In order to investigate the train-induced ground vibration more accurately, a vehicle-track-ground coupling model is proposed.
为了更准确研究高速列车引起的地基振动，提出了车体—轨道系统—饱和土地基耦合分析模型。
Taking account of the direct effect of ground vibration on buildings, the ground responses caused by the moving loads is studied in detail.
考虑到地基振动对建筑物产生的直接影响，本文对移动荷载引起的地基响应作了详细的研究。
The devastating earthquake ground vibration is known as the most strong earthquake, a seismic area that is often the epicenter of the region.
破坏性地震的地面振动最烈处称为极震区，极震区往往也就是震中所在的地区。
Tunnel depth, subway train speed, loading frequency, tunnel lining elastic modulus and other factors have great impact on the ground vibration.
隧道埋深、地铁列车运行速度、荷载频率、隧道衬砌弹性模量等因素对地面振动有极大的影响。
The earthquake is the sharp burst occurred within the earth produced in certain van around the shock wave, ground vibration phenomenon caused inside.
地震是地球内部发生的急剧破裂产生的震波，在一定范围内引起地面振动的现象。
Earthquake is the Earth's interior local media in the rapid breakdown of a seismic wave, which in a certain range ground vibration caused the phenomenon.
地震是地球内部介质局部发生急剧的破裂，产生地震波，从而在一定范围内引起地面振动的现象。
Some problems of attenuation of the ground vibration are analysed by means of the exact solution and the method of influence function of circle center displacement.
利用此精确解及圆心位移影响函数法分析了地面波动衰减的某些问题。
Under the premise of satisfied structural safety, reducing the elastic modulus of the concrete lining decreases the ground vibration caused by subway train operation.
在满足结构安全受力的前提下，减小衬砌混凝土弹性模量，可以减小地面振动。
Following the fuel testing the aircraft is undergoing structural coupling and ground vibration testing, as well as completing hydraulic testing of the doors and landing gear.
此次燃料测试后，飞机将进行结构耦合和地面振动测试，并将完成门和起落架的水压测试。
The vibration design of the sensitive equipments on board of a certain multi-purpose sea defense missile was described and the result of ground vibration test was analysed.
本文介绍并分析了某型多用途海防导弹弹上灵敏设备的振动设计及地面振动试验结果。
By taking a shallow tunnel on the Yuhuai railway as the research object, ground vibration induced by blasting was simulated numerically using a dynamic finite element method.
以渝怀铁路人和场隧道爆破施工为背景，采用动力有限元法对浅埋隧道掘进爆破引起的地表震动效应进行了数值模拟。
This article introduces the characteristics and attenuation of ground vibration caused by moving trains and motor vehicles obtained from a great number of tests, research and field work.
本文通过大量实测实验研究了火车、汽车在运行过程中引起的地面振动特性和衰减。
On the basis of analysis of the mechanism of seismic effect by blasting, the ground vibration velocity, the safety distance and the damage criterion of the seismic effect by blasting are discussed.
文章在分析爆破地震效应作用实质的基础上，讨论了爆破地震速度、爆破地震安全距离的计算方法以及爆破地震效应的破坏标准。
Chinese aircraft cnginccrs arc becoming intcrcsted in some strange localized vibration phenomena that occur during ground vibration test and flutter test: mode localization and frequency loci veering.
研究了某机简化模型线性振动的模态局部化现象，以及与此现象密切相关的频率曲线转向现象。
Lauder, who has tested out the jetpack twice, said when you're on the ground and preparing for takeoff, there's a lot of vibration and noise.
Lauder已经测试过这种飞行器两次了，认为当你在地上准备起飞时，飞行器会产生巨大的震动和声响。
The equipment should be placed on the ground without violent vibration or on the working stage and connected in the power grid of 380v with three phase and four wire.
设备应放置在无剧烈振动的地面或工作台上，接入三相四线380v的电网。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
讨论了爆破地震产生的地震波传播规律，以及地振动信号和仪器记录的电信号之间的关系。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
讨论了爆破地震产生的地震波传播规律，以及地振动信号和仪器记录的电信号之间的关系。
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