| 华北平原典型黏性土体固结特性的试验研究 |
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| 引用本文： | 苗晋杰,陈刚,潘建永,马峰.华北平原典型黏性土体固结特性的试验研究[J].地质科技情报,2009,28(5). |
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| 作者姓名： | 苗晋杰 陈刚 潘建永 马峰 |
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| 作者单位： | 1. 中国地质大学研究生院,武汉,430074
2. 中国地质大学环境学院,武汉,430074 |
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| 基金项目： | 中国地质调查局项目"华北平原地面沉降调查与监测" |
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| 摘 要： | 针对华北平原地面沉降区衡水市漏斗中心分层标处所采土样,在其压缩固结试验基础上分析了典型黏性土体的固结特性,即压缩系数.根据黏性土结构、矿物成分及阳离子交换量的测试结果,得出黏性土的孔隙分维值、矿物质量分数与压缩系数呈正相关关系,阳离子交换量与压缩系数随埋深变化基本呈正相关关系.通过分析影响黏性土固结特性的内在因素和数量关系,阐明了黏性土物理化学性质对黏性土体固结特性的影响.
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| 关 键 词： | 华北平原 固结特性 地面沉降 |
An Experimental Study for the Consolidation of the Typical Clayey Soil in the North China Plain |
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| MIAO Jin-jie,CHEN Gang,PAN Jian-yong,MA Feng.An Experimental Study for the Consolidation of the Typical Clayey Soil in the North China Plain[J].Geological Science and Technology Information,2009,28(5). |
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| Authors: | MIAO Jin-jie CHEN Gang PAN Jian-yong MA Feng |
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| Institution: | a.Graduate School;b.School of Environmental Studies;China University of Geosciences;Wuhan 430074;China |
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| Abstract: | On the basis of consolidation test and compression indexes for the soil samples collected on the descending stratified part of Hengshui land subsidence funnel center on the North China Plain,the paper analyzes the compression and consolidation characteristics of typical clayey soil,the compression coefficient.The test results on the construction,mineral composition and cation exchange capacity of clayey soil show that the compression coefficient is positively correlated with the fractal dimension and minera... |
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| Keywords: | North China Plain consolidation characteristics land subsidence |
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