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Home
Contribution Guide
About Journal
Submission Guidelines
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Current Articles
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中文
CUISuli, . 水泥窑灰改性黄土的湿陷性和强度特性研究[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 68-73. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.11
Citation:
CUISuli, . 水泥窑灰改性黄土的湿陷性和强度特性研究[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 68-73. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.11
CUISuli, . 水泥窑灰改性黄土的湿陷性和强度特性研究[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 68-73. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.11
Citation:
CUISuli, . 水泥窑灰改性黄土的湿陷性和强度特性研究[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 68-73. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.11
水泥窑灰改性黄土的湿陷性和强度特性研究
CUISuli
,
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对水泥窑灰改性黄土进行压缩、湿陷和无侧限抗压强度试验,研究水泥窑灰对黄土压缩性、湿陷性和强度特性的影响。同时进行压汞试验和扫描电镜试验,分析改性前后黄土的孔隙分布特征、颗粒接触形态和结构的变化,探索微观特征与宏观性质之间的关系。结果表明,向黄土中添加水泥窑灰能够显著降低其压缩性和湿陷性,使黄土由中压缩性降低为低压缩性,由中等湿陷降低到轻微湿陷乃至湿陷性消失,同时抗剪强度得到显著提高。微观试验结果表明,水泥窑灰改性后的团聚体间的孔隙消失,转化成为团聚体内的孔隙,且总孔隙比降低,土体更加密实;颗粒间连接作用增强,土体结构更加稳定。
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