| 循环荷载作用下接触面的边界面模型研究 |
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| 引用本文： | 孙吉主,施戈亮.循环荷载作用下接触面的边界面模型研究[J].岩土力学,2007,28(2):311-314. |
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| 作者姓名： | 孙吉主 施戈亮 |
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| 作者单位： | 武汉理工大学,土木工程与建筑学院,武汉,430070 |
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| 摘 要： | 基于边界面的概念，建立了循环荷载作用下砂与结构物接触面的边界面塑性模型，以描述其剪切应力与剪应变的滞回特性。该模型考虑了初始相对密度和法向应力的影响，同时在弹性模量中引入损伤因子，反映了接触面在循环荷载下逐渐硬化的性质。通过比较理论计算与试验结果，显示了该模型的合理性。
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| 关 键 词： | 循环荷载 接触面 边界面 损伤 |
| 文章编号： | 1000-7598-（2007）02-0311-04 |
| 收稿时间： | 2005-03-15 |
| 修稿时间： | 2005-03-15 |
Bounding surface model for soil-structure interface under cyclic loading |
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| SUN Ji-zhu,SHI Ge-liang.Bounding surface model for soil-structure interface under cyclic loading[J].Rock and Soil Mechanics,2007,28(2):311-314. |
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| Authors: | SUN Ji-zhu SHI Ge-liang |
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| Institution: | School of Civil Engineering and Architecture. Wuhan University of Technology, Wuhan 430070, China |
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| Abstract: | Based on the concept of bounding surface,a bounding surface plastic model for sand-structure interface is developed;it can describe the hysteretic characteristics of a shear stress and strain curve.Initial relative density and normal pressure are included in the model;and a damage factor is also introduced in the elastic modulus in order to characterize the hardening interface response under cyclic loading gradually.The predicted response and test data are compared;and the proposed model is proved to be reasonable and credible. |
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| Keywords: | cyclic loading interface bounding surface damage |
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