小应变反射波法是当前在工程桩基检测中应用的动测法之一。
Pulse Echo method (PEM) is a fast, economic and feasible method for Low-strain Dynamic Testing (LDT) of piles.
岩土小应变情况下表现出许多与一般中大应变实验不同的特性。
Geomaterials exhibit many special characteristics in small strain stage which are different from those in middle or large strain stage.
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.
假定聚集体为简单的立方体排列，以外延方式分析连接橡胶的小应变行为。
By assuming a simple cubic arrangement of the aggregates, the small strain behavior of the junction rubber is analyzed in extensional mode.
减缩积分二次单元S8R5对于小应变薄膜弯曲问题的模拟能给出精确解。
Reduced integrated quadratic shell element S8R5 can provide accurate solution for small strain membrane bending problem.
本文采用有限元法和增量理论对小位移小应变的弹塑性接触问题进行分析。
In this paper, the contact problems of small displacement and strain have been analysed by finite element method and incremental theory.
提出一种在绝对坐标系中建立小应变有限转动平面梁动力学方程的有效方法。
An effective method is presented to derive the equations of finite-rotation plan beams.
分析表明，在小应变率的范围内，材料强度-应变率依赖性受热活化机制控制；
The study result shows that in small strain rate region, strength-strain rate sensitivity is controlled by thermoactivational mechanism.
现场测试表明岩土工程中应变一般都比较小。因而近年来岩土小应变问题受到重视。
Field measurement showed that the strain in most of geotechnical engineering regions belongs to small strain.
本文运用弹性杆理论建立了小应变、大挠度铺设过程中海底管道的静态分析力学模型。
In this paper, the elastic rod theory is applied to establish a static analytical mechanical model for a small strain, large deflection Marine pipeline during installation in ocean.
分析表明小应变本构模型计算结果是合理的，也证明了考虑土体小应变特性的必要性。
The further analysis shows that the computed results of the small-strain constitutive model are more reasonable, and the small-strain mechanical behaviors of soils should be taken into account.
由于膜材只能受拉不能受压以及大变形小应变的特点，其设计中动力响应分析是难点之一。
Dynamic response analysis of tensioned cable and membrane structure is one of difficulties of structure design because of its tensioned-only, large deformation and small strain property.
本文着重从反射波法小应变桩基检测过程中对最终测试结果影响较大的几个方面进行分析。
Inthis paper, we analyzed several problems in the process of measuring small strain stake foundation which influenced the final measure effects.
对切应变主轴不变的平面简单切变过程，通过无穷小应变的积分，导出了真实切应变计算公式。
An equation for the calculation of true shear strain was derived from the integration of infinitesimal shear strain in plane shearing process with constant principal shear strain direction.
本文针对小应变、大位移和大转动的块体系统建立了三维模态变形体离散元数值模型(3mdem)。
For block systems with small strain, finite displacement and finite rotation, a 3-dimensional mode distinct element method (3mdem) was presented.
采用从初始应力点到状态边界面的距离为参数的系数来修正硬化准则以模拟土体小应变条件下的应力应变特征。
A function of distance between initial stress strain point and point at state boundary surface is adopted to simulate stress strain behaviour of soil in condition of small strain.
分析了剪胀和软化程度对球孔扩张时的应力、位移、塑性区半径及极限扩张压力等方面的影响，并将大、小应变理论的结果进行了比较。
The influence of softening extent on stress, displacement and the radius of plastic zone during expansion as well as the extreme expansion pressure are studied.
对于初试者来说，当一个小的组织逐渐成长成为一个大的企业组织时，事情变化了，你的过程也必须相应变化。
For starters, as smaller organizations grow to enterprise organizations, things change and your processes must change as well.
从应力—应变关系的相似特性出发，找出了小比尺离心模型与原型的相关关系。
The nonlinear similitudes between small models and prototypes are set up according to the similarities of stress-strain relations.
只有小裂纹扩展到足够长并钝化到足够宽，才能够影响主裂纹的扩展及其前端应力、应变的分布。
Only if this short crack extends long enough and blunted wide enough, can it affect the principal crack extension and the distribution of stress and plastic strain.
当应变很大时，大变形法和小变形法计算的沉降和孔压差异很大。因此，大小变形法分析结果的比较应采用总应力法。
So the comparison of large strain method and small strain method should be carried out with total stress method.
本文采用小参数扰动法，首先研究了地壳弹性局部变化对潮汐倾斜、应变的调制作用。
The modulation action of the local variation of crustal elasticity on tide tilt and strain is investigated by means of minor parameter method.
采用薄板弯曲理论研究了均匀载荷作用下多晶金刚石方膜在小挠度和大挠度下的应变分布情况。
The strain distribution based on small and large deflection theories of diamond square diaphragm was studied using theories of plate bend.
利用几何非线性的应变-位移关系式，在小变形假设条件下确定单元耦合形函数。
The element coupling shape function meatrices are derived by means of geometrically nonlinear strain displacement relation un-der small deformation assumption.
材料力学应变测量实验中，试件在小负荷作用下所产生的应变信号十分微弱。
In the strain-data measured experiments of material of mechanics, the bar generates weak strain signal by the less force functioning on the bar.
基于非线性弹性理论的分析表明失配应变与弹性系数随压力的变化是大量子点压力系数小的主要原因之一。
The analysis based on a nonlinear elasticity theory reveals that the small pressure coefficients mainly result from the changes of the misfit strain and the elastic constants with pressure.
引入对数应变，将小变形弹塑性理论移植到有限变形理论之中，形成了一套精确的有限变形弹塑性理论。
An accurate finite deformation elastoplastic theory based on the logarithmic strain is transplanted from infinitesimal deformation elastoplastic theory.
基于动力学方程、本构关系和应变-位移关系建立了小变形粘弹性梁的振动方程。
Based on the dynamical equation, the constitutive relation and the strain-displacement relation, the vibration equation of small deflection beams was derived.
边坡的破坏往往伴随着很大的位移和塑性应变，因此，采用传统的小变形有限元方法计算无疑误差较大。
Slope of destruction often associated with large displacement and plastic strain, therefore, the traditional small-deformation finite element method is no doubt big error.
边坡的破坏往往伴随着很大的位移和塑性应变，因此，采用传统的小变形有限元方法计算无疑误差较大。
Slope of destruction often associated with large displacement and plastic strain, therefore, the traditional small-deformation finite element method is no doubt big error.
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