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| 闽浙沿岸沉积物的工程地质特性及其成因分析 |
| Geotechnical Properties of Sediments From The Min-Zhe Coastal Area And Their Causes Analysis |
| 投稿时间：2009-06-27 修订日期：2009-08-17 |
| DOI： |
| 中文关键词: 闽浙沿岸 沉积物 工程特性 成因 |
| 英文关键词:the Min-Zhe coastal area sediment geotechnical properties causes analysis |
| 基金项目:908专项 |
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| 摘要点击次数: 1304 |
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| 中文摘要: |
| 根据闽浙沿岸沉积物的实验室分析资料，从物理性质和力学特征对海底沉积物进行了综合工程地质特征研究。结果发现，本区沉积物以淤泥和淤泥质粘土为主，含有少量粘土和粉质粘土，总的表现为高含水率、高孔隙比、高压缩性、高塑性和低强度。并从微观结构、物质来源、物质成分、水动力条件等方面对沉积物的工程特性进行了成因分析，这些因素是造成本区沉积物工程性质不良的主要原因。 |
| 英文摘要: |
| a comprehensively physicomechanica1 property study for the sea bottom sediments was made through the analysis of the sediment samples taken from Min-Zhe coastal area..it reveals that the sediment here are composed of mud、muddy clay、clay、and silty clay, of which mud and muddy clay are the main types. the sediments are characterized by high water content，high void ratio, high compressibility, high plasticity and low shear strength . Furthermore, the reasons caused the poorly geotechnical properties of the bottom sediments were analyzed from the points of microstructure, material source and composition, hydrodynamic environment. They are the dominating factors induce the poorly geotechnical properties of the sediment in this area. |
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