Although many experimental results in failure criterion and constitutive relation of concrete have been reported, most of them were only applicable to simple proportional monotonic loading.
混凝土在多轴应力下的破坏准则和本构关系的试验研究已有许多成果，但大多仅适用于单调比例加载的情况。
Moreover, the characteristics of stress waves propagating in concrete structures are essentially dependent on the rate-dependent constitutive relation of concrete materials under high strain-rates.
然而混凝上结构中的应力波传播特性实际上又依赖于混凝土在高应变率下的率型本构关系。
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