1) the plastic-loop
塑性滞回环
1.
The deformation characteristics and the plastic-loop of the fine-sandstone is studied under the loading and(unloading) condition at the three different deformation-rates and the two different stress-levels,the results show: 1) There is really the plastic-loop in the deformation curve for the loading deformation curve is different form the unloading deformation curve.
通过对循环载荷条件下细粒砂岩在不同载荷水平、不同位移速率时的变形特性及其塑性滞回环演化规律的分析发现:1)循环载荷条件下岩石的加、卸载曲线不重合,将形成一封闭的塑性滞回环,该塑性滞回环从第2循环起将趋于稳定;2)不同载荷水平和不同位移速率下第1循环时的各拟合参数值与第2循环相比存在有较大变化,但从第2循环曲线起,各拟合参数均将逐渐趋于恒定;3)随着位移速率和载荷水平的变化,其拟合参数将随之而发生变化;4)在相同位移速率和相同载荷水平条件下,同一次循环时岩石变形曲线的加载段与卸载段的相应拟合参数值不同。
2.
The experimental results show that there is really the plastic-loop in the deformation curve for the loading deformation curve is different from the unloading deformation curve.
通过对细粒砂岩在不同位移速率、不同载荷水平时循环加、卸载条件下变形的演化规律的实验研究发现,细粒砂岩在循环加、卸载条件下的卸载曲线与加载曲线不相重合,将形成一封闭的塑性滞回环,且该塑性滞回环从第2次循环起几乎不发生变化。
2) Plastic hysteresis energy
塑性滞回能
1.
In this paper, the crack initiation life es-timate equation is deduced by using the fatigue damagecontinuous curve with the basis of experimental data ob-tained from the crack initiation plastic hysteresis energyas a control parameter.
以萌生阶段中塑性滞回能作为控制参量,根据实验数据拟合出疲劳损伤的连续曲线,得到裂纹萌生寿命估算公式。
3) Plastic-elasticity analysis under cyclical loads
滞回弹塑性分析
4) pseudoplastic hysteresis loop
假塑性滞后回线
5) bi-linear hysteresis
双线性滞回环
6) bilinear elastic-plastic model
双折线弹塑性滞回模型
1.
Based on elastic-plastic time-history earthquake analysis of the single degree of freedom (SDOF) system, the seismic-force-modification factor R of the bilinear elastic-plastic model was investigated for different site types, natural vibration periods, ductility, damping ratios and post-yield stiffness ratios.
对双折线弹塑性滞回模型的单自由度体系在地震作用下的响应进行了分析,得到了不同场地、结构自振周期、延性、阻尼比、后期刚度系数等参数组合下的结构影响系数R。
补充资料：腻滞滞
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参考词条