| 太原粉质粘土强度指标的空间概率特征研究 |
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| 引用本文： | 李小勇,谢康和,白晓红,史美筠.太原粉质粘土强度指标的空间概率特征研究[J].岩土工程学报,2000,22(6):668-672. |
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| 作者姓名： | 李小勇 谢康和 白晓红 史美筠 |
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| 作者单位： | 浙江大学土木工程学系!浙江杭州310027；太原理工大学土木工程学系!山西太原030024； |
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| 摘 要： | 根据工程勘察资料和室内强度试验 ,对太原地区粉质粘土的强度指标空间概率特征进行了统计分析和实验研究 ,得出了强度指标空间变异系数的变化规律 ,建立了强度指标的Beta分布概率模型 ,拟合了物理指标与强度指标间的经验关系。另外 ,还对太原地区粉质粘土的强度指标测定方法的不确定性以及不同实验方法相关性进行了实验研究。
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| 关 键 词： | 太原地区 粉质粘土 强度指标 空间变异系数 概率模型 经验关系 |
| 修稿时间： | 2000-05-26 |
The spatial probabilistic characteristics of strength indexes for Taiyuan silty clay |
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| LI Xiao-yong,XIE Kang-he,BAI Xiao-hong,SHI Mei-yun.The spatial probabilistic characteristics of strength indexes for Taiyuan silty clay[J].Chinese Journal of Geotechnical Engineering,2000,22(6):668-672. |
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| Authors: | LI Xiao-yong XIE Kang-he BAI Xiao-hong SHI Mei-yun |
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| Affiliation: | Department of Civil Engineering Zhejiang University Hangzhou 310027 China 2.Department of Civil Engineering Taiyuan University of Science and Technology Taiyuan 030024 China |
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| Abstract: | This paper, based on statistical analyses of the observed data, dealt with the spatial probabilistic characteristics of shear strength indexes for silty clay in Taiyuan. The statistical data were obtained on the basis of the engineering geologic investigation reports and strength tests in lab .The spatial variability coefficients of the indexes for Taiyuan silty clay were compiled.And also the Beta distribution for strength indexes of Taiyuan silty clay was established. Finally the paper studied the correlation between indexes and got some empirical equations.Besides, the paper studied thoroughly the correlation between the strength indexes of different tests, and the uncertainty of strength test method. |
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| Keywords: | Taiyuan district silty clay strength indexes spatial variability coefficient probabilistic distribution empirical equations |
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