A Kinematic Hardening and Softening Model of Concreteby Xila Liu, Tsinghua Univ, Beijing, China,
Jinfeng Xu, Tsinghua Univ, Beijing, China,
Abstract: In the present paper, a new loading surface calibrated by several typical uni- and multi-axial test curves is proposed. Following the associated flow rule, a relatively simple constitutive model for concrete is developed. The comparison between the predictions of this model and test data, even for the plastic volume dilatation, seems quite satisfied.
Subject Headings: Concrete | Load tests | Data processing | Model tests | Load factors | Calibration | Curvature | Constitutive relations
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