Attenuation laws of earthquake ground motion.
地震动衰减关系。
These results may be used to simulate the multi -point ground motion as reference.
分析结果可供多点地震动模拟时参考。
Secondly, any ground motion parameter can be estimated by the method suggested here.
可以估计任何地震动参数，只要它是可以根据地震的大小和距离来估计；
Then, a seismic design method considering the effect of strong ground motion duration is presented.
从以上结果出发，本文提出了一个考虑地震中不同持续时间影响的抗震设计方法。
As the intensity index of ground motion, PGA (peak ground acceleration) is often employed and analyzed.
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。
By introducing composite inversion ideas, the problem of ground motion inversion is studied in this paper.
本文运用复合反演的观点研究结构参数未知条件下的地震动反演问题。
In this paper, we use the digital broad-band records to study the characteristics of long-period ground motion.
为研究长周期地震动反应谱特性，本文首次采用了地震学研究所使用的宽频带数字地震记录作为数据基础。
There is a genetic relationship between the underlying bedrock depression and earthquake ground motion responses.
埋藏基岩凹陷地形的地震地面运动反应与震害异常带有成因上的联系。
The quartz watch most avoid violent ground motion, playing ball or hand hit something, it is best to take it down.
石英表最忌猛烈地震动，打球或用手击东西时，最好把它取下来。
Make sure that you design for some ground motion that has the small chance of happening. We want to be pretty conservative.
卢科表示，“请在设计时确保考虑到一些极小几率发生的地表运动，我们应该相当保守。”
The seismic influence field reflects the space distribution of seismic intensity or space-related seismic ground motion field.
地震影响场反映了地震动强度的空间分布或与空间相关的地震动场。
A random synthesis procedure based on finite fault model is adopted for near field strong ground motion simulation, in this paper.
为了模拟近场强地震动，采用了基于有限断层模型的一种随机合成方法。
The impact of coal mine goaf on seismic surface ground motion and its dynamic stress distribution around the tunnel was investigated.
研究了煤田采空区对地面地震动的影响以及采空巷道的动应力分布。
Field observations after 921 earthquake show that the irregular basement has serious damage because of amplification of ground motion.
在921地震后，经观察发现，半开挖式地下室结构损毁情形大部分比全开挖式结构严重。
Utilizing these statistical features, we can simulate the design ground motion founded on the theories of non-stationary time history.
应用这些统计特征，可模拟出符合统计要求的基于非平稳时间历程的设计地震动。
Besides the factor of ground motion, the accuracy of the simulation is depended on the rationality of analytic model and material model.
地震作用下计算机模拟分析的准确性除输入地面运动的因素外，主要取决于分析模型和材料模型的合理性。
The seismic ground motion is assumed to be double filtered white noise, and pseudo excitation approach is employed to calculate the random response.
采用双过滤白噪声功率谱模型描述地震动，并用林家浩虚拟激励法进行随机响应分析。
An approach using the suspended mass pendulum to reduce the structural response to earthquake ground motion was discussed based on the ANSYS software.
基于ANSYS有限元软件讨论了高层建筑结构利用悬挂质量摆减震的原理及减震性能。
The results of this study also show that estimation of seismic stress drop from the peak parameters of ground motion will become a new practical method.
研究结果还表明用地面运动峰值参数估算地震应力降是一种新的实用性较强的方法。
The analysis method that can exactly reflect the characteristics of ground motion transmitting is the basis for describing seismic response of rock mass.
真实反映地震动传播特性的分析方法是准确描述岩体地震反应的基础。
Though a single ground motion record can provide data correlating to these factors, it can't supply sufficient data for the local ground motion variations.
单个的地面运动记录虽然也能提供与这些因素有关的资料，但它不能给出地面运动局部变化的充分资料。
The authors put forward that it is maybe a better way to substitute the earthquake intensity by the parameters of earthquake ground motion in seismic design.
提出在抗震设计中运用地震动参数代替地震烈度来进行计算能更好地反映工程实际情况。
Seismograms are recordings of ground motion as a function of time and are the basic data which seismologists use to study the waves generated by earthquakes.
振动图是用来记录地面随时间运动并且是地震学家用来研究地震波的基础数据。
This modification incorporates explicitly the duration of strong earthquake ground motion into the time dependent variation of the root-mean-square peak amplitude.
这个修正明显地将强震运动的持续时间包含在均方根振幅依赖于时间的变异中。
The seismic ground motion attenuation relationship is an important content in seismic zonation and seismic safety evaluation of engineering sites for key projects.
地震动衰减关系是地震区划和重大工程场地地震安全性评价的重要内容。
According to the earthquake hazard analysis on the site, the ground motion parameters are received and the rock time generated seismic wave of the site is composed.
通过对该桥桥址处的地震危险性分析，得出了桥位处的地震动参数，并合成了桥址处基岩人工波时程和场地土人工波时。
A new method of determining ground motion parameters according to the destruction state of structure after earthquake, which using the inverse technology, is raised.
提出了一种根据地震后的结构所呈现的破坏状态，运用结构破坏反演技术来确定地面运动参数的新方法。
The sectional blasting will produce superposition of ground motion the superposition factor is directly related to the calculation of equivalent amount of explosive.
分段爆破会产主地震动的叠加，叠加系数直接关系到等效药量的计算。
According to the data of dynamic property of the site soil, the design ground motion parameters of the different level are calculated by the equivalent linear method.
采用一维等效线性化方法，根据场地土动力性能试验资料，确定不同抗震标准下的设计地震动参数。
According to the data of dynamic property of the site soil, the design ground motion parameters of the different level are calculated by the equivalent linear method.
采用一维等效线性化方法，根据场地土动力性能试验资料，确定不同抗震标准下的设计地震动参数。
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