| 循环荷载下粉质中液限黏土和粉煤灰土的动剪强度研究 |
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| 引用本文： | 魏海斌,刘寒冰,高一平,方瑛,李长雨.循环荷载下粉质中液限黏土和粉煤灰土的动剪强度研究[J].岩土力学,2007,28(9):1927-1930. |
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| 作者姓名： | 魏海斌 刘寒冰 高一平 方瑛 李长雨 |
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| 作者单位： | 1.吉林大学 交通学院，长春 130022；2. 吉林大学 应用技术学院，长春 130022； 3.吉林大学测试中心，长春 130022 |
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| 基金项目： | 国家高技术研究发展计划(863计划);吉林大学校科研和教改项目 |
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| 摘 要： | 通过对路基填料粉质中液限黏土和粉煤灰土的动力循环荷载试验，分析了粉质中液限黏土和粉煤灰土1: 2的动力特性，得出了动剪强度与循环荷载次数间的变化规律以及动模量与动应变的关系表达式。研究结果表明：粉煤灰土1: 2动剪强度优于粉质中液限黏土，可以作为路基填料。
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| 关 键 词： | 粉质中液限黏土 粉煤灰土 动三轴试验 动剪强度 动模量 |
| 文章编号： | 1000-7598-（2007）09-1927-04 |
| 收稿时间： | 2005-09-19 |
| 修稿时间： | 2005-09-19 |
Study on dynamic shear strength of middle-liquidity limit silty clay and fly ash soils under cyclic loading |
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| WEI Hai-bin,LIU Han-bing,GAO Yi-ping,FANG Ying,LI Chang-yu.Study on dynamic shear strength of middle-liquidity limit silty clay and fly ash soils under cyclic loading[J].Rock and Soil Mechanics,2007,28(9):1927-1930. |
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| Authors: | WEI Hai-bin LIU Han-bing GAO Yi-ping FANG Ying LI Chang-yu |
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| Institution: | 1. Transportation College, Jilin University,Changchun 130022, China; 2. Applied Technology College，Jilin University, Changchun 130022, China; 3. Center for testing, Jilin University, Changchun, 30022, China |
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| Abstract: | Based on the triaxial tests of middle-liquidity limit silty clay and fly ash soils(1:2) of roadbed fillings,the dynamical characteristics of middle-liquidity limit silty clay and fly ash soils(1:2) are analyzed.Compared the characteristics of the two materials,the variation law between the dynamic shear strength and the number of circular load is educed.Then the relationship formula of the dynamical elastic modulus and elastic strain is set up.It is found that the fly ash soils(1:2) is better than middle-liquidity limit silty clay in dynamic shear strength.It has superiority as roadbed fillings. |
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| Keywords: | middle-liquidity limit silty soils fly ash soils(1:2) dynamic triaxial test dynamic shear strength dynamical modulus |
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