| 丽江某变电所膨胀土特性及填筑适宜性分析 |
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| 引用本文： | 高文信,王赭.丽江某变电所膨胀土特性及填筑适宜性分析[J].土工基础,2008,22(3):36-38. |
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| 作者姓名： | 高文信 王赭 |
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| 作者单位： | 云南省电力设计院,昆明,650011 |
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| 摘 要： | 220kV丽江变电所位于盆地与山麓接合地带，地层岩性主要为第四系残积型粘土和第三系粘土，土层具有中等膨胀潜势，若用非膨胀土换填或用改良膨胀土来回填工程造价均较高，因此，从膨胀土的野外特性、颗粒组成、膨胀潜势、回填特性来分析膨胀土用作填筑材料的适宜性，有重要的工程意义。
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| 关 键 词： | 膨胀土 回填土 适宜性 |
Engineering Geological Characteristics of Expansive Soil and Fill Feasibility Analysis of 220kV Substation in Lijiang |
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| GAO Wen xin,WANG Zhe.Engineering Geological Characteristics of Expansive Soil and Fill Feasibility Analysis of 220kV Substation in Lijiang[J].Soie Engineering and Foundation,2008,22(3):36-38. |
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| Authors: | GAO Wen xin WANG Zhe |
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| Affiliation: | (Yunnan Provincial Electric Power Design Institute, kunming 650011, China) |
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| Abstract: | The 220kV substation of Lijiang is located between the basin and mountain,and there are clay minerals in the Tertiary System and clay minerals in the Tertiary System as its main rock stratum,which have the moderate expansive potential.The engineering cost is high if the unexpansive or improved expansive soil is used to substitute the clay as the backfilled soil.Therefore it is important for the engineering to analyze the filling feasibility of the expansive soil from its field characteristics,grain composition,expansive potential and backfilling. |
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| Keywords: | expansive soil backfilled soil feasibility |
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