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1)  Long-period strong ground motion in near-field
近场长周期强地震动
2)  near field strong ground motion
近场强地震动
1.
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。
3)  long-period ground motion
长周期地震动
1.
Urgency of the study of long-period ground motion;
长周期地震动衰减关系研究的迫切性
2.
This paper investigates long-period ground motion characteristics of the 1999 Jiji(Chi-Chi), Taiwan, mainshock and aftershocks on the basis of a lot of the high quality digital strong motion records.
用丰富的高质量数字强震记录对台湾集集大地震及余震的长周期地震动特性进行了研究。
3.
At present,the research on the attenuation relationship of long-period ground motion and the long-period response spectrum is not well developed and there are not many research projects about long-period seismic response for high-rise structures subjected to long-period ground motion.
目前,对长周期地震动衰减关系和长周期反应谱的研究尚不成熟,对长周期地震动作用下高层建筑结构的地震响应研究还比较少。
4)  Near-field strong motion
近场强震动
5)  near-field ground motion
近场地震动
1.
Suitability analysis of ground motion attenuation relation in estimation of near-field ground motion for small and moderate earthquakes;
中小震近场地震动估计中地震动衰减关系的适用性分析
2.
We first review several parameter indices that are used to measure the damage potentials of near-field ground motions from a new point different with traditional approach.
从一个异于传统研究方法的角度出发,利用最近发展的地震动 3D 瞬态参数分析理论,有选择的研究了有关近场地震动记录的3D 瞬态特征;通过对典型近场地震动作用下结构模型的算例分析,探讨了速度脉冲型地震动与结构延性需求之间的关系,指出结构坏固然与地震动的反复作用有关,但对于大多数结构的关键破坏起控制作用的却可以归因于近场地震动的脉冲特性,这对认识结构破坏的根本原因具有重要意义。
3.
The characteristics of displacement ratio spectra for near-field ground motions are investigated based on a great number of earthquake ground motions.
以大量的地震动记录为基础,研究近场脉冲型地震动位移比谱的特征,同时考察场地条件、峰值地面速度与峰值地面加速度比(PGV/PGA)、峰值地面速度(PGV)和最大增量速度(MIV)对近场地震动位移比谱的影响。
6)  Near-field ground motions
近场地震动
1.
In this paper,Kanai-Tajimi model and He-Agrawal velocity pulse model are selected to conduct the nonlinear numerical simula- tion of several typical near-filed records,and many near-field ground motions are obtained by adjusting the ratio of random broadband com- ponent and pulse component.
选用宽频远场地震Kanai-Tajimi模型与He-Agrawal近场脉冲地震速度脉冲模型,对现有的典型近场地震记录进行非线性数值拟合,调整其脉冲分量与宽频分量的比值,得到不同脉冲分量的地震波;文中以一幢8层基础隔震结构为研究对象,分析了合成近场地震波下基础隔震结构的水平及转动动力响应,结果表明含有脉冲分量的近场地震动比远场地震动破坏力更大;基础隔震体系能有效地减小上部结构在近场地震动中的响应。
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【诗文】:
梦里十年心,情味梦回犹恶。枕上数行清泪,被惊乌啼落。西窗瓶水夜深寒,梅花瘦如削。只有一枝春在,问东君留著。


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