应力历史

针对以av、e～p法等，提出了可考虑土体应力历史影响的修正系数M1式子；

For av e ~ p method , the modification coefficient M , from influence of soil stress history is put forward .

PM模型也强调了施加于岩石的应力历史在决定岩石的弹性状态时的重要性。

The treatment in PM model emphasizes the importance of stress history inthe determination of the elastic state of a rock .

土的压缩指数Cc是不同应力历史状况土层的变形分析中的重要计算参数。

The compression index of soil is an important computation parameter in the settlement analysis dealing with soils which have different stress histories .

经过试验研究，我们获得上海软土各典型土层K0系数的分布图式以及K0系数与应力历史的经验关系，并对它与土样排水固结的关系作了初步而有益的探讨。

Through these tests and analyses the authors obtained the distribution patterns for K_ 0-values of typical soft layers of Shanghai region and the relation between K_0 and stress history , and made a preliminary and meaningful study on the relation between K_0 and consolidation of the soil sample .

多次层裂面对混凝土中应力历史影响的研究

Study on influence of spallation planes on stress histories within concrete structure

循环应力历史对粉土小应变剪切模量的影响

Cyclic Stress History Effects on Small-strain Shear Modulus of Silt

土层应力历史确定方法的研究

A Study on the Assessing Method of Stress History of Marine Soil

天然结构性软粘土应力历史的确定

Determination of Stress History of Natural Structural Soft Clay

这种结构直接包含广义应力历史的极值原理。

The construction directly implies the minimum principle for the generalized stress history .

正常固结土与超固结土的一些特性及其应力历史的确定

Some Properties of Normally-consolidated Soils and Overconsolidated Soils and Determination of Its Stress History

考虑应力历史影响的一维固结理论研究

Study on One-dimensional Consolidation Theory of Saturated Soil Considering the Effect of Stress History

土的应力历史对软粘土地基深基坑性状的影响

Effect of soil stress history on the behavior of deep excavations in soft clay

其次，论文针对结构性软土的应力历史问题开展了研究。

Secondly , investigation on the stress history problem of structural soft soil has been conducted .

应力历史对饱和砂土力学性状影响的试验研究

Experimental study of effect of stress history on mechanical properties of saturated sand under complex stress conditions

这种非线性流变分析方法不同于等时间线的概念，是通过应力历史对次压缩指数大小的影响来考虑流变的非线性。

The nonlinear creep analysis method is based on the relationship between stress history and secondary consolidation index .

土体材料的成分、应力历史及固化联结是重塑模型土拟合控制的三个方面。

There are three factors in the control of fitting remolded soil model : composition of soil body , stress history and consolidation .

次固结系数与固结压力的关系以及应力历史对次固结系数的影响；

The relationship between secondary consolidation coefficient and consolidation pressure , as well as the influence of stress history on secondary consolidation coefficient ;

采用大型直剪仪，系统研究法向应力历史对黏土–混凝土界面剪切特性的影响。

A series of direct shear tests were carried out to study the effect of stress history on shear behavior of interface between clay and concrete .

且两者的排水剪强度大致相同，前期的应力历史对反滤料的软化阶段没有太大影响。

The drained shear strength of them is at the same level and the stress history has little effect on the softening stage of the filter material .

本文主要研究了湿式外包角钢受压柱在不同应力历史下加固后的强度与变形的变化特性。

This paper mainly Studies the intensity and distortion characteristics of the wet-connected envelop angle iron column Which is under compression during the different stress history after reinforcement .

拟合结果表明：这一本构方程形式简洁，物理意义清晰，易于拟合，并对不同应力历史下的应变响应具有广泛的适用性。

Is that action valid ? Wells are valid . The results indicate that the constitutive equation is valid for the strain response with different histories of stress .

认为应该区分应力历史和相对密度的影响，以避免出现视先期固结的模糊概念。

It is emphasized that influences of stress history and relative compactness of the clay should be considered separately in order to avoid the ambiguity of the so-called apparent preconsolidation .

地基土的前期固结压力是判断土体应力历史的一个指标，在不同应力历史状况的土体变形分析中它也是一个重要的计算参数。

Preconsolidation Pressure is an indication of the stress history of a soil layer , and I also an important parameter in settlement analysis dealing with soils having different stress histories .

利用在碰撞材料样品和非晶态碳样品上的石英压力传感器测量了样品中的应力历史和冲击波速度。

The two x cut shorted quartz gauges assembled with impactor and target were used to obtain the wave speeds in material and the stress histories at the sample gauge interface .

考虑应力历史对土体强度的影响，采用超固结比对土的强度系数作了必要修正。

The effect of stress - history to the earth in front of the retaining wall is taker into account And OCR is adopted to adapt the coefficient of earth - strength .

指出，平面冲击波致层裂试验的试件自由面速度或界面应力历史的实验最小值与损伤演化过程有关。

It is noted that the experimental minimum of free surface velocity or interface stress history of a sample loaded by a plane shock wave is connected with the damage evolution process .

应力历史是影响砂土时间效应的重要因素：加卸载循环和超固结都会降低砂土的时间效应。

Stress history is one of the important factors affecting time effects of sand : unloading-reloading cycles and overconsolidation both can reduce the growth rate of small-strain dynamic shear modulus of sand .

提出一种确定材料物态方程参数的新方法，即从一次平面碰撞实验中单个拉格朗日量计记录的应力历史曲线出发，建立非线性优化模型，进而确定材料的物态方程参数。

A new method applying nonlinear optimization for parametrization of material equation of state ( EOS ) is put forward , by use of stress vs time profile recorded by a Lagrangian gauge .

本文讨论了土的物理属性、应力历史、结构特性、土骨架的流变性质以及测量时采用的应力一应变路径等对静止侧压力的影响。

This paper discusses effect of soil physical properties , stress history , structural behaviour , rheological properties of the soil-skeleton and stress-strain path under measurement on the lateral earth pressure at rest .

试验结果表明，不考虑循环应力历史对小应变剪切模量的影响，地震反应分析可能会高估小应变剪切模量。

The test results presented herein indicate that present seismic response analyses may overestimate the value of small strain shear modulus G_ ( max ) without considering the influence of seismic cyclic loading history .