Concrete stress-strain curves under cyclic loads include not only envelope curve, but also unloading and re-loading curves.
混凝土的反复加载应力-应变曲线不仅包括骨架曲线，还包括卸载及再加载曲线。
Based on the direct tension test, the characteristics of tension stress-strain full curves of steel fiber reinforced self-stressing concrete were investigated.
通过直接拉伸试验研究了不同自应力等级下的钢纤维自应力混凝土的受拉应力-应变全曲线特征。
The whole stress-strain curves of structural lightweight aggregate concrete (LWAC) with strength grade from LC30 to LC55 were obtained experimentally.
测定了采用高强轻骨料配制的强度等级LC30～LC55的结构轻骨料混凝土（LWAC）的应力-应变全曲线。
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