| 宁波地区典型软粘土土性指标概率特性研究 |
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| 引用本文： | 刘用海,朱向荣,李金柱,吴健.宁波地区典型软粘土土性指标概率特性研究[J].科技通报,2008,24(5). |
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| 作者姓名： | 刘用海 朱向荣 李金柱 吴健 |
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| 作者单位： | 1. 浙江大学软弱土与环境土工教育部重点实验室,杭州310027;宁波建工集团有限公司,浙江,宁波315040
2. 浙江大学软弱土与环境土工教育部重点实验室,杭州,310027 |
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| 摘 要： | 通过宁波地区120项实际工程的勘察资料,对该地区普遍存在的典型淤泥质软土土性概率统计特性进行研究分析,采用土层剖面随机场模型,得到基本物理力学指标空间变异系数的变化规律,并根据土性指标揭示其工程特性;利用回归分析方法,建立其物理力学各指标间的相互经验公式.此外,还对典型土层直剪试验和固结快剪强度指标间的相关性进行了研究.
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| 关 键 词： | 宁波地区 淤泥质软土 随机场 土性指标 空间变异系数 经验公式 |
Study on Probability Nature about Soil Indicator of Typical Soft Clay in Ningbo Area |
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| LIU Yonghai,ZHU Xiangrong,LI Jinzhu,WU Jian.Study on Probability Nature about Soil Indicator of Typical Soft Clay in Ningbo Area[J].Bulletin of Science and Technology,2008,24(5). |
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| Authors: | LIU Yonghai ZHU Xiangrong LI Jinzhu WU Jian |
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| Abstract: | Based on 120 engineering geologic investigation reports in Ningbo area, characters of probability statistics for typical mucky soft clay which are universal exist in this area are studied. Variation laws of spatial variability coefficient about physical and mechanical index are gained by using random field model of soil profile and engineering characteristic are illustrated by analyze soil indicators. Empirical equations between these indexes are established by means of regression analysis method. Besides, correlation between the strength indexes of direct shear test and consolidated quick direct shear tests were studied. |
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| Keywords: | Ningbo area mucky soft soil random field soil indicator spatial variability coefficient empirical equation |
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