以混凝土单轴拉压损伤为基础，给出了单元弹性损伤本构关系，分析了裂纹尖端损伤微裂区尺寸，定义了有效应力强度因子，给出了I型裂纹损伤断裂判据。
Mesoscopic damage size on the top of crack is analysed, the effective stress strength factor is defined, the mode I crack damage fracture criteria is presented.
剪切屈服应力被定义为Y轴上的交会点。
Shear yield stress was defined as the intercept point on the Y-axis.
将材料响应的总应力表示为平衡态应力和非平衡态过应力的和，分别定义描述率无关和率相关变形过程的内时。
The total stress response of material is decomposed into a sum of an equilibrium stress response and a non-equilibrium overstress response.
将疲劳切口系数定义为临界距离法得出的平均应力与热点应力之比值。
The fatigue notch factor is introduced as the ratio of average stress over the region of a critic distance around critic point to the hot spot stress.
定义了渗透率的应力敏感系数，在应力敏感系数的基础上，建立了渗透率随有效应力的变化关系式，为建立应力敏感性油气藏渗流模型奠定了基础。
By this method, core permeability in reservoir condition can be calculated conveniently, which provides a basis to establish percolation model of stress sensitivity oil and gas reservoir.
混凝土路面板的热屈曲因板的热压应力引起，而混凝土路面板的临界变温可定义为路面板屈曲时的温度与铺设成型时的温度之差。
Usually, the critical temperature variation of concrete pavement is defied as the difference between thermal buckling temperature and the pavement formation temperature.
混凝土路面板的热屈曲因板的热压应力引起，而混凝土路面板的临界变温可定义为路面板屈曲时的温度与铺设成型时的温度之差。
Usually, the critical temperature variation of concrete pavement is defied as the difference between thermal buckling temperature and the pavement formation temperature.
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