规范中关于设计地震动的规定。
指出多途径设计地震动对于抗震结构具有重要意义。
It is pointed out that the multiple way design ground motion is of great importance to the seismic structures.
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。
Utilizing these statistical features, we can simulate the design ground motion founded on the theories of non-stationary time history.
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.
对于高速公路大桥的抗震设防，应给出80年代设计基准期63 ％ 、10 ％和2 ％三个超越概率水准的设计地震动参数；
To the aseismic fortification of bridge of high way, three designing ground motion parameters with surpassing probabilities of 63%, 10% and 2% for 80 years should be given.
但是我们可以设计包括大坝在内的建筑物，使它们可以承受严重的地震震动。
We can just design our structures including DAMS to withstand severe seismic shaking.
“捕震灵手”软件被设计成可记录笔记本所有的震动，但是只有当位于一个地理区域的众多计算机记录下来剧烈的震动时，信息才会被上传至地震监测系统。
The "Quake Catcher" software is designed to record all vibrations on a computer, but only uploads the info if many computers in the same geographic area record "dramatic shaking."
分析结果表明：在烟囱的震害中地震动转动分量的作用是不容忽视的，在抗震设计中它的影响是必须予以考虑的。
The analysis shows that the effects of the earthquake torsional component cannot be neglected and should be put into consideration in an anti-seismic design of chimneys.
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.
因此，对于建在土层场地上的结构进行TLD减震设计时，应充分重视工程场地条件和地震动特性等实际情况。
Therefore, the real conditions of the construction site and input seismic motion should be considered in the TLD design when the controlled structure is built on the soil site.
竖向与水平向地震动分量卓越周期的比值在0.7 - 0.9之间，竖向设计反应谱的特征周期应有单独规定。
The ratio of vertical and horizontal predominant period is 0.7-0.9, so independent characteristic period of vertical design response spectrum should be defined.
耐震结构：建筑设计在受到地震或震动防止全面崩溃、保全生命并减少损失。
Earthquake-resistant structure: Building designed to prevent total collapse, preserve life, and minimize damage in case of an earthquake or tremor.
本文采用有效应力原理分析了液化土层对设计反应谱的影响，分析中考虑了砂层的厚度、埋深和输入地震动等因素。
This paper presents the effects of soil liquefaction on design response spectrum in terms of effective stress theory by considering the thickness and depth of sand layer, and the earthquake intensity.
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。
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.
因此，为合理地进行这类结构的抗震设计，在结构抗震分析中考虑地震动的多点输入的影响是非常必要的。
Therefore, it is necessary to consider the influence of the multi-support excitation in the seismic response analysis for the reasonable seismic design of such long-span structures.
若增加结构较短周期方向的设计强度，可在一定程度上降低双向地震动不利影响；
Increasing the design strength of structures in the direction with shorter period can reduce the negative effects of bi-directional ground motions on structural response.
动三轴试验主要确定土的动剪切模量和土的动阻尼比，而这些参数又是地震动反应分析中的重要参数，该参数的取值小直接影响了桥梁的勘察设计。
Dynamic triaxial test is mainly used to determine the dynamic shear modulus & dynamic damping ratio of soil, which are the important parameters for seismic response analysis.
本文以国内外18次地震的强震动记录为数据基础，对竖向地震动特征及竖向设计反应谱进行了统计分析。
In this paper, based on the records from 18 earthquakes, the characteristics of vertical ground motions and vertical response spectra are analyzed. The studies of this paper are as following.
本研究揭示了地下地震动的一些工程特性，可以为地下工程结构的抗震设计提供参考依据。
This study not only revealed the engineering characteristics of sub-ground motions, but also provided criterion in determining the seismic design for embedded structures and pipelines.
本文结合大跨度桥梁抗震设计，系统地介绍了随机地震动场的模型以及随机地震动场多点激励下大跨度桥梁地震反应分析的方法。
In this paper, based on earthquake-resistant design of long-span Bridges, the patterns of random earthquake ground motion and the methods of seismic response analysis for long-span...
本文结合大跨度桥梁抗震设计，系统地介绍了随机地震动场的模型以及随机地震动场多点激励下大跨度桥梁地震反应分析的方法。
In this paper, based on earthquake-resistant design of long-span Bridges, the patterns of random earthquake ground motion and the methods of seismic response analy...
地震动强度指标是建筑结构抗震设计的重要依据。
Ground motion intensity measure (im) is an important basis for structural seismic design.
时程计算分析是重要结构物抗震设计的一个主要方法，输入地震动是地震时程计算分析的首要问题。
The analysis of time history is an important structure of a main seismic design method, its primary problem is the input of seismic motion.
以南京长江越江隧道初步设计方案（沉管段）为例，计算了其在高斯平稳随机过程地震动作用下的动力反应均方根值和纵向抗震动力可靠度。
The Nanjing Changjiang Tunnel is used as an example to compute the square-mean-root responses and the longitudinal aseismic reliabilities under stationary random earthquake loads.
计算结果表明，在结构抗震设计时，应考虑季节的变化、地基辐射阻尼和场地区域地震动特性等因素的影响。
The influence of frozen earth layers and radiant damps of groundwork is considered and back-analysis is performed.
计算结果表明，在结构抗震设计时，应考虑季节的变化、地基辐射阻尼和场地区域地震动特性等因素的影响。
The influence of frozen earth layers and radiant damps of groundwork is considered and back-analysis is performed.
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