Based on the fatigue cumulative damage models, a damage evolution equation for flexural fatigue of SFRPC slabs is set up.

结合原有的混凝土疲劳损伤模型，建立了预应力钢纤维混凝土板的疲劳损伤演变方程。

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Although the expressional form of damage evolution equation in complicated stress condition is the same as that in simple load condition, the influence factors are different of the damage parameters.

复杂应力条件下的黄土损伤演化方程的表现形式与简单加载条件下的完全相同，区别只是在于损伤参量的影响因素不同。

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The theoretical model and the constitutive equation with the response of both tension and compression for elastic brittle damage evolution taken into account are derived.

提出了考虑拉压响应的弹脆性损伤演变的理论模型与本构方程。

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