| 海水环境下初始含水率对蒙脱土压缩特性影响规律研究 |
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| 引用本文： | 王圣萍,徐桂中,张林,颜彦.海水环境下初始含水率对蒙脱土压缩特性影响规律研究[J].盐城工学院学报(自然科学版),2016,29(2):68-72. |
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| 作者姓名： | 王圣萍 徐桂中 张林 颜彦 |
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| 作者单位： | 盐城工学院 岩土工程研究所, 江苏 盐城 224051;盐城工学院 岩土工程研究所, 江苏 盐城 224051;盐城工学院 岩土工程研究所, 江苏 盐城 224051;盐城工学院 岩土工程研究所, 江苏 盐城 224051 |
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| 基金项目： | 国家自然科学基金青年基金(51408524)；江苏省交通厅科技项目(201401T-1) |
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| 摘 要： | 通过开展不同盐度、不同初始含水率的蒙脱土压缩试验,探讨海水环境下初始含水率对蒙脱土压缩特性的影响规律。试验结果显示,在初始含水率大于1.5倍液限时,盐度对重塑屈服应力的影响比较小;在初始含水率小于1.5倍液限时,盐度对重塑屈服应力有显著影响,且盐度越低影响越大。另外,盐度较低时初始含水率对e*100和C*c影响比较大,且均随着初始含水率的增加而增加。
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| 关 键 词： | 压缩曲线 盐度 蒙脱土 初始含水率 |
| 收稿时间： | 3/8/2016 12:00:00 AM |
Research on the Influence of Initial Moisture Content on Compression Properties of Montmorillonite under the Environment of Seawater |
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| WANG Shengping,XU Guizhong,ZHANG Lin and YAN Yan.Research on the Influence of Initial Moisture Content on Compression Properties of Montmorillonite under the Environment of Seawater[J].Journal of Yancheng Institute of Technology(Natural Science Edition),2016,29(2):68-72. |
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| Authors: | WANG Shengping XU Guizhong ZHANG Lin and YAN Yan |
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| Institution: | Rock and Soil Engineering Research Institute, Yancheng Institute of Technology, Yancheng Jiangsu224051, China;Rock and Soil Engineering Research Institute, Yancheng Institute of Technology, Yancheng Jiangsu224051, China;Rock and Soil Engineering Research Institute, Yancheng Institute of Technology, Yancheng Jiangsu224051, China;Rock and Soil Engineering Research Institute, Yancheng Institute of Technology, Yancheng Jiangsu224051, China |
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| Abstract: | The influence of initial moisture content on the compression properties of montmorillonite was studied by carrying out experiments of montmorillonite compression with different salinity and different initial water content. The experimental results show that the effect of salinity on the remodeling yield stress is relatively small when the initial moisture content is more than 1. 5 times liquid limit. When the initial moisture content is less than 1. 5 times liquid limit, the salinity has a significant effect on the remodeling yield stress, and the lower the salinity is, the greater the effect is. When the salinity is low, the initial moisture content has a great influence on the e*100 and C*c, and both increase with the increase of the initial moisture content. |
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| Keywords: | compression curve salinity montmorillonite initial moisture content |
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