应变

On the basis of operating principle and the observations by borehole shear strainmeter and by use of theoretical earth tide,a new method for in-situ calibration of borehole shear strainmeter at Taian station is presented.

结合钻孔差应变仪的工作原理，借助体应变观测资料，提出了利用理论固体潮对泰安台差应变观测进行实地标定的新方法。

The safety factor obtained with the relationship between elastic strain energy and the reduction coefficient is similar to that obtained by other traditional slope steady analyzed method.

摘 要：为分析采用强度折减法确定边坡安全系数过程中边坡弹性应变能随折减系数变化与边坡失稳破坏的内在联系，建立数值模型，记录边坡弹性应变能与折减系数关系曲线；通过对某边坡的分析，绘制弹性应变能与折减系数关系曲线。

Methods Through the triaxial creep test, the triaxial creep curves and isochorounous stress-strain curves have been obtained, then the creep characteristics of mica-quartzose schist have been obtained by analyzing the triaxial creep curves, and the isochrounous stress-strain characteristics of mica-quartzose schist have been obtained by analyzing the isochorounous stress-strain curves. Finally, an empirical formula of creep curve is obtained by data fitting and the analysis of the relation between time and parameter of fitting formula.

通过三轴蠕变试验首先得到了云母石英片岩的蠕变曲线和应力应变等时曲线，然后对试验曲线进行分析得到云母石英片岩的蠕变特性和云母石英片岩的等时应力应变特性，最后拟合应力应变等时曲线，并分析时间和拟合公式中参数的关系，得出了蠕变经验公式。

In the axisymmetric section, the axial strain in excircle is maximum, but the maximum radial strain is in inner bore, and the radial strain contrast is used to reflect the variation trend of wall thickness in this ring section.

在轴对称截面的外圆上轴向拉应变最大，内孔处径向压应变最大，并用径向应变对比度来反映该环形截面壁厚的变化趋势。

Analysis of the strain field discovers that the principal compressive and the principal tensile strain rates in the epicenter area are -30.840×10-9/a and 13.956×10-9/a respectively before earthquake, and the principal compressive strain axis is in a direction of N105.4°E which is consistent with the average direction at N107.5°E of the principal compressive stress axis from focal mechanism result.

应变场分析发现，震前震中区的主压与主张应变率分别为-30.840×10-9/a与13.956×10-9/a，主压应变轴N105.4°E与震源机制解得到的主压应力轴的方向N103°E一致。

With the temperature and strain increasing, modulus of elasticity of steel gradually decreases.

结果表明，钢材的应力－应变曲线随温度升高，应力变小而应变增大，曲线斜率即弹性模量随温度升高和应变增大而趋于零。

The fractal feactures of the three dimension rock finite strain in the Xinzhou fold-thrust nappe structure have been studied in this paper.

在岩石有限应变测量和三维有限应变分析的基础上，应用分形几何理论研究三维有限应变这一复杂现象。

The nonlinear strain is decomposed into a classical part and a nonclassical contribution which is described by nonclassical elastic units.

将孔隙流体带来的非线性应变的影响分为经典应变的影响和非经典弹性单元对非经典应变的影响。

The study indicated that the change of the strain of tangential bamboo appears mainly parabolic curve form, and the strain increase gradually from outside face to inside face in the thickness direction of bamboo wall in process of heating.

对四年生毛竹的弦向和径向热应变特性进行了检测和研究，研究表明在加热过程中弦向竹材的应变大体呈抛物线状变化，在竹壁厚度方向由竹青至竹黄应变呈逐渐增加趋势。

By analyzing these data, it indicates that strain-rate can enhance the flow stress, while temperature will lower flow stress, and after remained in a steady state, each stress—strain curve will be parallel to the strain coordinate axis.

数据分析表明，应变率对流动应力具有强化作用，温度对流动应力具有弱化作用，稳态变形后，各应力—应变曲线都变为一条趋于与应变坐标轴平行的直线。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。