动剪切模量与阻尼比的变化比较小。
饱和度的变化将导致动剪切模量的改变。
The change of the degree of saturation will cause the change of dynamic shear moduli.
大应变时动剪切模量比不确定性大，而小应变时阻尼比离散显著；
The uncertainty of G/Gmax is obvious at the large strain, while that of is obvious at the small strain.
动剪切模量和阻尼特性接近于砂性土。影响阻尼特性最明显的因素是剪应变和周压力。
The values of the dynamic shear modulus and the damping factor are close to those of sandy soil.
存在预剪应力作用时，含水率与初始平均主应力对原状黄土动剪切模量的影响程度降低；
The degrees of effects of water content wand initial average principal stress pm0 on the dynamic shear modulus of undisturbed loess reduce under the condition of pre-shearing stresses.
含水率与初始平均主应力对预剪应力作用下原状黄土的初始动剪切模量具有显著的影响；
Water content wand initial average principal stress pm0 have significant influences on the initial dynamic shear modulus of undisturbed loess under the condition of pre-shearing stresses.
本文主要研究土层剪切波速、土动剪切模量和阻尼比以及它们和土的其它物理指标的关系。
This dissertation mainly studies the relations between shear wave velocity, dynamic shear modulus, damping ratio and other physical indicators of soils.
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。
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.
采用共振柱试验方法，研究了固结比对砂土最大动剪切模量以及对动剪切模量比与剪应变非线性关系的影响。
The effects of the consolidation ratios on the maximum dynamic shear modulus and the dynamic shear modulus versus the shear strain of sands are presented by using the resonant column method.
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.
随着粘贴层的剪切模量的增加或其厚度的减小，剪切力在靠近压电致动器端部区域迅速增大。
The shear stress rises sharply at the ends of the piezoelectric actuator with the shear modulus increasing or the thickness decreasing.
随着粘贴层的剪切模量的增加或其厚度的减小，剪切力在靠近压电致动器端部区域迅速增大。
The shear stress rises sharply at the ends of the piezoelectric actuator with the shear modulus increasing or the thickness decreasing.
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