It will be the foundation for how to consider the scope of soil layer in soil layer response analysis under subway vibration which was calculated by direct finite-element method.
所得的计算成果为在应用有限元法进行土层地铁振动反应计算时确定合理的有限土域范围提供依据。
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.
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。
The dynamic shear modulus ratio and damping ratio of soil are indispensability for seismic safety evaluation and soil layer seismic response analysis of engineering sites.
土的动剪切模量比和阻尼比是工程场地地震安全性评价工作和土层地震反应分析中不可缺少的重要参数。
Through numerical calculation, the influences of the variations of the modulus and degree of saturation of soil layer and cross-section of the pile on the response are analyzed.
通过数值计算，分析了土层模量变化、土层饱和度变化以及桩身截面变化对桩顶频域和时域响应曲线的影响。
For three kinds of different soil layer construction, the characters of the platform values and the characteristic periods of ground surface acceleration response spectra were studied.
系统地研究了软夹层在底部、中部和顶部的三种土层结构的反应谱平台值和特征周期的主要特征。
Several typical problems in the seismic response analysis of soil layer with deep deposit have been discussed according to the seismic response analysis of the soil layer in Shanghai region.
以上海地区土层地震反应分析为例，讨论了深覆盖土层地震反应分析中的几个典型问题。
An Engineering Seismological Graphics (ESG) package used for data process of earthquake response of soil layer has been developed.
详细地介绍了作者编制的用于对土层地震反应计算的原始数据和计算结果进行图形绘制的软件包(esg)。
How to consider the effects of soil layer construction and adjust the response spectra according as soil layer construction is an important subject in current site study.
如何考虑场地土层结构对设计反应谱的影响，并合理的规定设计反应谱是当前场地研究中的重要课题之一。
Based on the assumption of hysteretic damping, seismic response of soil layer was analyzed by using the methods of time domain and frequency domain separately.
采用滞后阻尼假定，分别应用时域和频域分析方法对土层的地震反应进行计算。
Based on the response stress of one-dimensional soil layer, the finite element approach was improved and a response stress approach was put forward.
从地震时一维土层反应应力入手，对拟静力法中有限元反应加速度法的地震荷载加载方法进行改进，提出了有限元反应应力法。
Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response.
利用所得解对土体动力反应特性和桩的纵向振动特性进行了无量纲参数分析。
Using the theory of random vibration, the problem of dynamic response of the non homogeneous soil layer to earthquake is studied in the present paper.
利用随机振动理论，本文研究了非均匀土层对地震的动力反应问题。
Effect coefficients of the response spectra flat section values of three kinds of soil layer constructions were found by comparing the average values with those of the normal profiles.
通过与正常剖面的反应谱平台值比较，给出了三种土层结构的反应谱平台值的影响系数。
Effect coefficients of the response spectra flat section values of three kinds of soil layer constructions were found by comparing the average values with those of the normal profiles.
通过与正常剖面的反应谱平台值比较，给出了三种土层结构的反应谱平台值的影响系数。
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