本文介绍爆破震动加速度的观测。
This paper presents the results of measuring the acceleration of blasting vibration.
第三,将爆破地震动加速度时程作为随机过程,对建筑结构物进行了随机振动反应理论分析;
Thirdly, assuming blasting seismic acceleration history is stochastic process, stochastic vibration response of structure is analyzed theoretically.
数值计算和实验测量的结果表明:对具有破坏性的地震,安装该隔震器后的低层建筑物可削减地震动加速度达80 %以上。
The numerical and experimental results show that if subjected to destructive earthquake, the acceleration of low structures installed the new isolators can be decreased by more than 80 percent.
当时地表加速度一定很高,而且强烈震动的时间很长,造成了如此严重的破坏。
The ground acceleration here must have been very high and the duration of the strong motion long to cause such incredible destruction.
计算并分析爆破震动对边坡位移、加速度和稳定性系数的影响。
And slope displacement, acceleration and stability coefficient under influence of blasting vibration are analyzed and calculated.
利用支撑爆破中三次爆破震动的监测数据,拟合了速度、加速度和位移反应谱曲线。
Using the data from the monitoring of blasting vibration in three bracing blasts, the response spectra of velocity, acceleration and displacement are fitted out.
压力测量要求的压力源连接到传感器,加速度震动或冲击检测需要在一些已知的频率和力量的装置。
Pressure measurements require a pressure source to be connected to the sensor; acceleration or shock detection requires shaking the device at some known frequency and force.
本文应用样条函数方法拟定了一个由加速度记录快速计算结构震动反应谱的方法。
This paper proposes a procedure to determine the response spectra by spline function analysis using acceleration record as input.
国外水利水电工程设计中地震动参数(地震加速度)同样是很重要的资料,其取值的方法和原则与中国内地有很大的不同。
The seismic dynamic parameter (seismic acceleration) is similarly an important one in design of the foreign hydro projects but the method and principle of selecting its value are quite different.
从多维地震动输入下的结构三维振动方程出发,给出了结构多维随机振动的振型位移法和振型加速度法。
From the equation of three-dimensional vibration of structures, the methods of multi-dimensional random mode displacement and mode acceleration have been put forward.
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。
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.
文章最后给出了美国西部考虑震源破裂方向的地震动峰值加速度和均方根加速度的衰减关系。
Finally, the formulas of PGA and RMS accelerations attenuation dependent on the rupture direction of the seismic source are presented for the Western United States.
作为地震动强度指标,峰值加速度一直是研究最多的物理量。
As the intensity index of ground motion, PGA (peak ground acceleration) is often employed and analyzed.
该方法适用于我国强震动台网数字强震仪获取的加速度记录的仪器响应误差校正处理。
The method is applicable for instrument response correction processing of accelerogram recorded by digital accelerograph of China strong motion network.
通过室内砂箱振动台震动模拟试验,测试了不同柔性散粒材料在震动条件下的加速度值,对其减震性能作了一些初步的探讨。
Through vibration simulation test on the room flask vibration table, the acceleration of different flexible dispersed grain material under vibration condition was tested.
研究结果表明:在简谐地面加速度作用下,高频地震动也可以引起长周期结构产生很大的位移反应,且最大位移反应出现在结构的瞬态自由振动阶段。
It is concluded that the transient response to a high frequency harmonic ground motion can increase greatly the displacement response of structures, particularly for the long period structures.
在对该工程场地进行地震动小区划的基础上,分析了不同区的地表加速度反应谱特性。
Microzonation of ground motion parameters was done to investigate the different zone's seismic response spectrum.
研究结果表明利用地震动峰值加速度对地震诱发崩滑进行研究具有一定理论和实际意义。
The results demonstrate that it is useful in both theory and practice to study earthquake-induced landslides with PGA.
算例表明,地层对地震运动加速度有一定的放大作用,在地下结构抗震计算中应以实际基岩地震运动加速度作为地震动输入。
The example shows that the ground has some amplifying action to seismic acceleration and the real seismic acceleration of the sole rock …
算例表明,地层对地震运动加速度有一定的放大作用,在地下结构抗震计算中应以实际基岩地震运动加速度作为地震动输入。
The example shows that the ground has some amplifying action to seismic acceleration and the real seismic acceleration of the sole rock …
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