应力路径

特别是在C区和E区，黏土的应力路径模型可计算塑性应变，而修正剑桥模型的塑性应变为0。

Specially , in the area C and E , the clay stress path constitutive model can compute plastic strain which will be zero if the modified Cam-clay model is used .

应力路径为应力点在应力空间的运动轨迹，分为总应力路径TSP和有效应力路径ESP。

The stress path including the total stress path and the effective stress is the locus of the stress point in the stress space .

在有限元软件ANSYS的分析中，取出七条关键应力路径进行研究。

In the analysis of the soft ANSYS of the finite element , we researched 7 the central paths .

试验结果还表明，在相同固结条件下，试样沿不同应力路径剪切，不仅其峰值强度不同，而且其应力应变曲线特性，抗剪强度指标c、φ不同。

The results also show that not only the peak strength but also the stress strain behavior , the friction angle φ and cohesion c varies with the shear stress pathes .

利用MATLAB语言编写程序，对土体微观结构图片进行了平面分维计算，分析了不同应力路径试验后土体微观结构的分形特征。

Then , the program was coded with MATLAB and the plane fractal dimension of microstructure figures of soil were calculated . The fractal character of soil was analyzed in the different stress path tests .

运用GDS应力路径三轴测试系统进行了饱和砂土的三轴试验。

Secondly , triaxial tests of saturated sands are made using GDS stress path triaxial testing system in this paper .

根据试验结果，建立此3种应力路径下岩体切线弹性模量Et与主应力差间的经验关系式，分析边坡岩体的变形特性。

Based on the testing data , the relationships between the elastic modulus and the principal stress difference under such loading paths are acquired , and the deformation properties of the slope rock mass are analyzed .

利用先进的GDS应力路径三轴仪，探讨了花岗岩残积土在特殊应力路径下的三轴试验特性。

Some mechanical properties of granite residual soil were studied under special stress paths using advanced GDS stress path triaxial apparatus .

本文在先进的GDS应力路径三轴仪上对饱和砂土进行等围压不同周期的慢速往复荷载排水三轴试验。

Consolidated drained triaxial tests are conducted for the saturated sand under slow reciprocating loading by the advanced GDS stress path triaxial apparatus .

基于不同应力路径下饱和粘土的三轴试验和反问题理论，提出了用改进BP神经网络和径向基函数（RBF）神经网络这两种方法来建立粘土的本构模型。

Based on the triaxial experiments of saturated clay under different stress paths and inverse problem theory , the reformed back propagation ( BP ) neural network and the radial basis function ( RBF ) neural network are used to establish the constitutive model of clay .

用GDS应力路径三轴试验、振动三轴试验和振动台模型试验研究了厦门2种残积土的静动力学特性与震陷特性。

The characteristics of statics and dynamics as well as seismic depression of two kinds of residual soils in Amoy were studied with GDS apparatus and dynamic triaxial as well as shaking table equipment .

通过与CTC路径下的变形曲面比较，发现两者之间存在显著差别，验证了应力路径对本构关系的影响是不可忽略的。

In addition , in comparison with the deformation surface of CTC path , it was found that the differences between two kinds of surfaces were obvious . Therefore , the effect of stress path on the constructive relation of soil cannot be neglected .

通过对重塑粘土试样进行一系列的K0固结后卸除围压或轴压剪切试验，探讨并总结了关于卸荷应力路径下粘性土变形过程与强度变化关系，为工程建设提供可靠依据。

On the basis of plenty of shear tests with clays unloading confining pressure or axial compression after consolidation , the conclusions of the relationship between clay deformation process and the change in strength under unloading stress path are drawn and explored , which provides a reliable basis for projects .

卸载应力路径下黄土强度的神经网络预测

Predicting strength of loess under unloading stress paths with neural networks

岩土硬化的应力路径相关性及硬化参数的构造方法

Constructing method of hardening parameter independent on stress path in geomaterials

标准砂小应变特性的应力路径三轴试验研究

Small-strain behaviour of standard sand by stress path controlled triaxial tests

空心圆柱试样真三轴仪应力路径的控制

The Stress-path Control in A Hollow Cylinder Specimen-shaped Truly Triaxial Apparatus

不同应力路径下土体的变形特性与破坏特性

Deformation and failure characteristics of soil mass under different stress paths

砂土应力路径本构模型的试验验证

Test validating of constitutive model of sand considering complex stress path

软土在不同应力路径下的力学特性分析

Analysis of mechanical characteristics of soft soil under different stress paths

土压力变化规律的应力路径三轴试验研究

Stress path controlled triaxial experimental study of lateral earth pressure behaviour

岩土材料应力路径无关硬化参量的构成方法

Method for developing hardening parameter independent of stress path for geomaterials

卸荷软土的应力路径及对强度影响的研究

On stress route of loosening soft soil and its strength influence

不同应力路径下粗粒土的应力应变强度特性

The Stress-Strain-Strength Behavior of Coarse Grained Soil under Various Stress Pathes

小应变条件下应力路径旋转对剪切模量影响

Effect of stress path circumgyration on shear modulus under small strain

不同应力路径下粉煤灰本构模型研究

Study on constitutive model of fly ash under different stress paths

不同应力路径加荷时粉土的应力应变关系

The Stress-Strain Relation of Silt with Loading in Different Stress Paths

在确定参数时，还可以兼顾不同的应力路径。

Varied stress paths can be taken into account in determining parameters .

应力路径及初始固结条件对强度的影响

Influence on the Shear Strength by Stress Path and Original Consolidation Condition

真空预压应力路径试验研究

Test Research and Analysis of Stress Path on Vacuum Preloading