A stress-strain model is developed for concrete subjected to uniaxial compressive loading and confined by transverse reinforcement. The concrete section may contain any general type of confining steel: either spiral or circular hoops; or rectangular hoops with or without supplementary cross ties.
约束混凝土本构关系-图一
约束混凝土本构关系-图二
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约束混凝土本构关系-图四
约束混凝土本构关系-图五