| 高矿化度环境下黏性土对膨润土-砂土复合防渗层抗渗性的影响研究 |
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| 引用本文： | 王晓芸,崔自治,张群,崔永成.高矿化度环境下黏性土对膨润土-砂土复合防渗层抗渗性的影响研究[J].节水灌溉,2011(11):67-69,72. |
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| 作者姓名： | 王晓芸 崔自治 张群 崔永成 |
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| 作者单位： | 宁夏大学旱区现代农业水资源高效利用教育部工程研究中心,宁夏银川,750021 |
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| 基金项目： | 2010年宁夏高等学校科学技术研究基金项目(201024) |
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| 摘 要： | 以宁夏广泛分布的砂土为研究对象,以黏性土掺量c、盐浓度d、盐的复合比r、膨润土掺量p为因素,渗透系数为考察参数,设计L9（34）正交实验方案和单因素实验方案,实验研究了盐对膨润土-黏性土-砂土复合防渗层抗渗性的影响,揭示了黏性土掺量c、盐浓度d、盐的复合比r、膨润土掺量p等因素对膨润土-黏性土-砂土复合防渗层抗渗性的作...
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| 关 键 词： | 膨润土 黏性土 盐 复合防渗 |
Research on Influence of Clayed Soil on Impermeability of Bentonite-sand Composite Layers in High Mineralization Environment |
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| WANG Xiao-yun,CUI Zi-zh,ZHANG Qun,CUI Yong-cheng.Research on Influence of Clayed Soil on Impermeability of Bentonite-sand Composite Layers in High Mineralization Environment[J].Water Saving Irrigation,2011(11):67-69,72. |
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| Authors: | WANG Xiao-yun CUI Zi-zh ZHANG Qun CUI Yong-cheng |
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| Institution: | WANG Xiao-yun,CUI Zi-zh,ZHANG Qun,CUI Yong-cheng(Engineering Research Center of Ministry of Education for High Efficient Utilization of Modern Agriculture Water Resources in Arid,Ningxia University,Yinchuan 750021,China) |
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| Abstract: | Choosing the sand widely distributed in Ningxia area as research object,the bentonite content,clayed soil content,salt concentration and salts combined ratio as factors,and the permeability coefficient as investigation parameters,the L9(34) orthogonal test plan is designed to study the influence of salt on the impermeability of bentonite-clay-sand composite layer.The rule and mechanism of impermeability is revealed.A theory basis is provided for design and construction of saliferous sand impervious layer.Th... |
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| Keywords: | bentonite clayed soil salt composite impermeability |
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