基于混凝土损伤理论，在试验得到的应力—应变曲线的基础上，分析了纤维含量和应变率对材料强度及材料力学行为的影响。
Based on damage theory, the stress-strain curve got from experiment is analyzed in order to study the effect of material strength and mechanical properties by fiber content.
基于边界面概念和损伤力学理论，建立了混凝土受压各向异性损伤模型。
An anisotropic damage model for concrete subjected to compressive fatigue load is developed based on continuum damage mechanics and the concept of boundary surface.
基于模态应变能理论，得到能用于混凝土桥梁结构损伤的识别指标。
Based on the theory of modal strain energy, a damage index is deduced to identify the concrete bridge structure damage.
基于模态应变能理论，得到能用于混凝土桥梁结构损伤的识别指标。
Based on the theory of modal strain energy, a damage index is deduced to identify the concrete bridge structure damage.
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