| 宽级配坡残积砾石土压实及抗剪特性试验研究 |
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| 引用本文： | 李忠洪.宽级配坡残积砾石土压实及抗剪特性试验研究[J].山西建筑,2014(33):221-222. |
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| 作者姓名： | 李忠洪 |
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| 作者单位： | 中国电建集团昆明勘测设计研究院有限公司,云南 昆明,650051 |
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| 摘 要： | 结合某心墙堆石高坝所采用的坡残积砾石土心墙料,以大型击实试验和大型直剪试验为主要手段,揭示了随着大于5 mm的粗粒含量P5增加,砾石土的最大干密度增加,抗剪强度指标C值减小,φ值增大的规律,并通过回归分析得到了它们之间的关系,为该类坡残积砾石土的应用提供了参考依据。
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| 关 键 词： | 宽级配砾石土 击实试验 直剪试验 P5含量分析 |
The test research on wide grading gravelly soil compaction and shear resistance characteristics |
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| LI Zhong-hong.The test research on wide grading gravelly soil compaction and shear resistance characteristics[J].Shanxi Architecture,2014(33):221-222. |
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| Authors: | LI Zhong-hong |
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| Affiliation: | LI Zhong-hong ( Kunming Survey Design Research Institute Co. ,Ltd, Chinese Electric Power Construction Group, Kunming 650051, China) |
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| Abstract: | Combining with the used slope residual gravel soil core wall material of a core wall high rockfill dam,taking large-scale compaction test and large direct shear test as the main means,revealled with the increase of coarse grain content P5 than 5 mm,the maximum dry density increased of gravel soil,the shear resistance strength index C value decreased,the φ value increased,and through the regression analysis obtained the relationship between them,provided reference for the application of this kind of slope residual gravel soil. |
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| Keywords: | wide grading gravelly soil compaction test direct shear test P5 content analysis |
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