| 输电线路戈壁碎石土地基现场直剪试验 |
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| 引用本文： | 安维忠,李永祥,刘生奎.输电线路戈壁碎石土地基现场直剪试验[J].电力建设,2010,31(5):66-69. |
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| 作者姓名： | 安维忠 李永祥 刘生奎 |
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| 作者单位： | （甘肃省电力设计院，兰州市，730050） |
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| 基金项目： | 国家电网公司科学技术项目 |
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| 摘 要： | 针对西北750 kV输电线路建设的甘肃河西走廊地区戈壁滩碎石土地基的特点，选择3 个具有代表性试验场地进行了现场直剪试验。结果表明：戈壁滩碎石土具有粘聚力，3 个试验场地碎石土的粘聚力分别为10.2 kPa、23.0 kPa 和15.3 kPa，内摩擦角分别为39.6°、43.4°与47.0°。试验结果可作为该地区输电线路掏挖原状土铁塔基础设计的依据。
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| 关 键 词： | 输电线路 掏挖基础 戈壁滩 碎石土 现场直剪试验 铁塔基础 |
Field Direct Shearing Tests of Gobi Gavel Soil in Northwest for 750 kV Transmission Line Engineering |
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| AN Wei-zhong,LI Yong-xiang,LIU Sheng-kui.Field Direct Shearing Tests of Gobi Gavel Soil in Northwest for 750 kV Transmission Line Engineering[J].Electric Power Construction,2010,31(5):66-69. |
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| Authors: | AN Wei-zhong LI Yong-xiang LIU Sheng-kui |
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| Affiliation: | (Gansu Electric Power Design Institute, Lanzhou 730050, China) |
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| Abstract: | According to the geotechnical characteristics of Gobi gavel soils along the northwest 750 kV transmission lines,field direct shearing tests were carried out at three representative sites.The test results indicated that the cohesion values of Gobi gavel soil in three sites are 10.2 kPa,23.0 kPa and 15.3 kPa,respectively,while the angles of internal friction are 39.6°,43.4° and 47.0°.The testing results can be used in designing of the excavated foundations for the 750 kV transmission line project. |
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| Keywords: | transmission lines excavated foundation Gobi gavel soil field direct shear test tower foundation |
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