The safety vibration velocity for young foundation concrete adopted in our country is of some safety.
我国现行采用的新浇筑大体积混凝土基础面上的爆破安全振动速度有一定的安全储备。
With the laser scanning vibrometer, based on the Doppler effect, the muzzle vibration velocity is measured.
炮口振动速度测试可以采用激光测振仪，它是基于多普勒原理的激光非接触测振技术而研制的。
On the basis of above-mentioned researches, a reasonable control index of blasting vibration velocity is obtained.
在此基础上得出合理的爆破振动速度的控制指标。
A method to obtain the acceleration curve from measured blasting vibration velocity data is proposed in this paper.
提出了一种由实测爆破振动速度数据得到加速度历程曲线的方法。
Radial vibration velocity was larger than that of vertical. Vertical shaft blasting vibration was much affected by shock wave.
立井爆破振动的径向振动速度较垂向振动速度大；
Based on the experiment, the relation between ring parameter and vibration velocity of 30204 tapered rolling bearing is studied.
以试验为基础，研究30204圆锥滚子轴承套圈参数与振动速度的关系。
Besides, a basis formula of vibration velocity prediction model that is suitable for multi-row millisecond blasting was proposed.
此外，文中提出了一个适用于多排孔延时爆破振动速度预测模型的依据公式。
The sound pressure level at certain distance from the outer shell in flow field is obtained when the vibration velocity of the inner shell is known.
在已知内层壳体振动速度的情况下，计算出流场中距外层壳体一定距离处的声压级。
The frequency response function, frequency-domain and time-domain expressions for the longitudinal vibration velocity at the pile top were obtained further.
研究了渐缩自由桩和渐扩自由桩的桩顶纵向振动速度时域曲线特征；
Its frequency response is calculated by use of FEM and its vibration velocity sensitivity with respect to its local thickness as a design variable is computed.
基于有限元直接法计算振动板的频率响应，以板局部厚度为设计变量，计算了振动速度对局部板厚度的灵敏度；
We use grey system theory to analyze the experimental findings and found out the parameter which mostly affects the vibration velocity of tapered roller bearing.
利用灰色系统理论对试验数据进行分析，找出了对轴承振动速度值影响比较大的参数。
The noise power, sound intensity, sound presure, vibration velocity and corresponding frequency spectrum of JHC6400 rear axle surface were measured and analysed.
本文对JHC6400型汽车后桥的噪声功率、表面声强、表面声压、表面振速及相应的频谱等进行了全面、系统的测量与分析。
The effect of water height and stator vibration velocity on the characteristics of the motor is also discussed. The results correspond well to the experiment ones.
讨论了水位高度、定子振动速度等对电机性能的影响，并通过实验进行了验证，实验测试结果与理论分析结果相一致。
Based on the research result of this test, we pointed out some specific measures, which reduced the impacts of blasting vibration velocity on the primary support.
在本次试验研究成果的基础之上，提出了几条降低爆破振动对初期支护影响的具体措施。
With the Doppler laser vibration measurement system, the vibration velocity curves of the flip chip and tool tip were obtained during thermo-sonic flip chip bonding.
采用多普勒激光振动测量系统，获得了热超声倒装键合过程中工具末端及芯片的振动速度曲线。
The modal analysis of the wheel is done using the software ANSYS. Calculate the wheel mobility and the vibration velocity spectrum of the wheel and rail is calculated.
运用ANSYS对车轮进行了模态分析，求得车轮导纳以及钢轨和车轮振动速度的功率谱。
Vibration trough of vibration frequency and amplitude of the product is larger and the vibration velocity is larger, the mineral grains in magnetic field stay shorter.
振动槽的振动频率和振幅的乘积愈大，振动速度愈大，矿粒在磁场中停留时间愈短。
As is known to all, engineering explosion always causes earthquake calamity. How serous the calamity is depends on vibration velocity of exploding earthquake in stratum.
众所周知，工程爆破常在附近引起地震灾害，某一点地震灾害的大小取决于该点地层的地震振动速度。
Those researches centered on the explosion seismic effect caused by the excavating blast and the criterions of safety vibration velocity for different concrete structures.
以往的研究主要集中在爆破施工产生的地震效应方面，并制定了各种情况下混凝土结构的安全振动速度。
The paper establish a new finite element model of masonry structure, spectrum analysis for the vibration velocity of actual measurement, editing parameter applies for ANSYS.
建立一种新的砌体结构有限元模型，借助ANSYS模块的谱分析对爆破震动造成的结构响应进行求解。
Through contrasting and analyzing, the particle vibration velocity were forecasted by the orderliness formula of attenuation of blasting earthquake wave is precise relatively.
经对比分析，所得爆破地震波衰减规律公式预测的质点振动速度具有较高的精度。
An optimized predicting scheme about particle vibration velocity has been put forward, a calculation model has been built, and a computer program has been tailored relevantly.
提出了一种爆破质点振速优化预测方案，建立了相应的预测模型，编写了预测模型的计算程序。
In this paper, it is introduced that vibration velocity of the fans which used in cement plants cannot accurately show the running-condition of them by measuring and analysing.
介绍了通过测量分析发现利用振动速度并不能准确地反映水泥厂大型风机的振动状态。
Lastly, the relationship curve about mining safety and rock blasting can be got through applying Sadov's formula and the equivalence of blasting vibration velocity and acceleration.
最后，应用修正萨道夫斯基回归公式和爆破震动速度与加速度的等效性，求得矿山岩土液化程度与爆破用药量的关系曲线。
Blast vibration velocity has magnify effect in the vertical direction, the vibration value of vertical direction is bigger than horizontal direction at the same distance to blast place.
爆破振动速度在竖直向有放大效应，对于距爆源等距离的竖直向的爆破振速大于水平向。
The demolition process of a 16th floor building in Harbin was monitored, and vibration velocity and frequency of ground particles were obtained during the blasting and collapsing process.
对哈尔滨市一幢16层楼房的爆破拆除过程进行了现场监测，获得了爆破和楼房倒塌过程中引起的地面质点的振动速度、频率等数据。
The shocking safety distances for blasting with various charges and safe charge for specific distance are both determined according to the particle vibration velocity safety control standard.
根据质点振速的安全控制标准，确定了不同药量爆破的震动安全距离，以及确定距离的安全药量。
This paper discusses the vibration velocity of blasting seism and the reaction chart of the blasting vibration, and offers some helpful Suggestions about solving engineering blasting problems.
对爆破地震的振动速度与爆破振动反应谱进行了分析和探讨，为解决工程爆破问题提供了参考意见。
This paper discusses the vibration velocity of blasting seism and the reaction chart of the blasting vibration, and offers some helpful Suggestions about solving engineering blasting problems.
对爆破地震的振动速度与爆破振动反应谱进行了分析和探讨，为解决工程爆破问题提供了参考意见。
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