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| 基于广义塑性力学的土体次加载面循环塑性模型(Ⅱ):本构方程与验证 | |
| 引用本文： | 孔亮,郑颖人,姚仰平.基于广义塑性力学的土体次加载面循环塑性模型(Ⅱ):本构方程与验证[J].岩土力学,2003,24(3):349-354. |
| 作者姓名： | 孔亮 郑颖人 姚仰平 |
| 作者单位： | 1. 宁夏大学,物电学院,宁夏,银川,750021;后勤工程学院,土木工程系,重庆,400041 2. 后勤工程学院,土木工程系,重庆,400041 3. 北京航空航天大学,土木工程系,北京,100083 |
| 基金项目： | 宁夏高等学校科研基金(编号:JY2002109) |
| 摘 要： | 按广义塑性力学原理，导出了土体次加载面循环塑性模型的本构方程，建立了相应的加卸载准则以及模型参数的确定方法。通过多种应力路径下土的本构响应的模拟，表明次加载面循环塑性模型能较好地反映循环荷载作用下土体呈现的非线性、滞回性与变形的积累性三方面主要特征，初步验证了模型的有效性。 |
| 关 键 词： | 广义塑性力学 次加载面 循环塑性 本构方程 |
| 文章编号： | 1000-7598-(2003)03-0349-06 |
| 收稿时间： | 2002-04-01 |
| 修稿时间： | 2002年4月1日 |
Subloadoing surface cyclic plastic model for soil based on generalized plasticity (Ⅱ): Constitutive equation and identification |
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| KONG Liang,ZHENG Ying-ren,YAO Yang-ping.Subloadoing surface cyclic plastic model for soil based on generalized plasticity (Ⅱ): Constitutive equation and identification[J].Rock and Soil Mechanics,2003,24(3):349-354. | |
| Authors: | KONG Liang ZHENG Ying-ren YAO Yang-ping |
| Institution: | Department of Physics & Electrical Information Engineering, Ningxia University, Yinchuan 750021, China:Department of Civil Engineering, Logistical Engineering University, Chongqing 400041, China; Department of Civil Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
| Abstract: | According to the principle of generalized plasticity, the constitutive equation of subloading surface cyclic model is firstly formulated; and the loading criterion and the identification of material parameters are built. The applicability of the constitutive equation to the prediction of real soil deformation, including massing effect and ratcheting effect, is verified by predicting monotonic and cyclic loading behavior of sands under several stress paths. |
| Keywords: | generalized plasticity subloading surface: cyclic plasticity constitutive equation |
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