In view of these shortcomings,the rotational kinematic hardening theory is incorporated into modified Cambridge model,and the rotational hardening mechanism of ellipse yield surface is presented in the paper.
针对修正剑桥模型不能模拟土体剪胀性、应力路径转折时土体的应力应变特性以及应力引起的各向异性,将旋转运动硬化理论引入到修正剑桥模型中,给出了椭圆屈服面的旋转运动硬化机制,把等向硬化的修正剑桥模型扩展为旋转运动硬化模型。
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