| 地基土非线性流变特性试验与归一化模型研究 |
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| 引用本文： | 王祥秋,高文华,陈秋南,任伯帜.地基土非线性流变特性试验与归一化模型研究[J].湖南科技大学学报(自然科学版),2001,16(2):56-59. |
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| 作者姓名： | 王祥秋 高文华 陈秋南 任伯帜 |
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| 作者单位： | 湘潭工学院土木工程系, |
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| 基金项目： | 湖南省教育科研基金资助项目(99C160) |
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| 摘 要： | 通过对湖南地区两种典型黏性土,即深黄色粉质黏土与浅紫色粉质黏土进行室内单剪循环加卸载蠕变试验研究,发现当应力水平大于屈服极限时,两种黏性土均具有明显的非线性蠕变特性与体积蠕变特性;并对两种黏性土进行非线性流变特性分析,在此基础之上,建立了统一的本构模型.通过模型检验证明其效果良好.图4,表2,参6.
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| 关 键 词： | 非线性 本构模型 流变特性 体积蠕变 |
| 文章编号： | 1000-9930(2001)02-0056-04 |
| 修稿时间： | 2000年10月21 |
The non-linear reheological properities test and the study on uniform model for foundational clays |
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| WANG Xiang-qiu,GAO Wen-hua,CHEN Qiu-nan,REN Bo-zhi.The non-linear reheological properities test and the study on uniform model for foundational clays[J].Journal of Hunan University of Science & Technology(Natural Science Editon),2001,16(2):56-59. |
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| Authors: | WANG Xiang-qiu GAO Wen-hua CHEN Qiu-nan REN Bo-zhi |
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| Abstract: | This paper studied the creep characteristics of the deep yellow clay and light purple clay in Hunan province by using the indoor single-shear test of loading and unloading cyclically, obvious non-linear rheological properties and volume creep characteristics were discovered for all of them when the stress beyond the yield-limit .Based on analysing non-linear reheological properties ,a fundamental uniform constitutive model was established for them and the effect of the model was verified bydatum of the test.4figs.,2tabs.,6refs. |
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| Keywords: | non-linear constitutive model reheological property volume creep |
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