| 土的动力本构关系的新探讨 |
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| 引用本文： | 姚仰平,谢定义.土的动力本构关系的新探讨[J].西安建筑科技大学学报(自然科学版),1997,29(2):159-163,172. |
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| 作者姓名： | 姚仰平 谢定义 |
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| 作者单位： | 西安建筑科技大学建筑工程系，西安理工大学水电学院，西安交通大学 |
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| 摘 要： | 饱和砂土在动力作用下，其主应力轴的旋转，剪切胀缩性及不排水条件下的土性弱化等特性对其动变形的发展具有重大影响。本文建立了考虑上述诸因素的土的二维动力构新模型。用本模型进行实算并与试验结果相比较符合良好。
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| 关 键 词： | 土动力本构模型 主应力轴旋转 土动力学 变形 |
Experimental investigation of dynamic constitutive relation of soil |
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| Yao Yangping,Xie Dingyi.Experimental investigation of dynamic constitutive relation of soil[J].Journal of Xi'an University of Architecture & Technology,1997,29(2):159-163,172. |
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| Authors: | Yao Yangping Xie Dingyi |
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| Abstract: | The rotation of principal stress axes, diatancy, and softening under the undrained condition have very important effect on dynamic deformation magnitude of soil under the cyclic loading. A new dynamic constitutive relation of soil is built up to consider these factors of influence. There is good agreement between the tested results and the results calculated by the dynamic constitutive mode. |
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| Keywords: | dynamic constitutive relation of soil rotation of principal stress axes diltatncy softening |
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