| 膨胀土石灰改良室内试验研究 |
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| 引用本文： | 沈伟升.膨胀土石灰改良室内试验研究[J].山西建筑,2011,37(18):112-115. |
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| 作者姓名： | 沈伟升 |
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| 作者单位： | 中铁第四勘察设计院集团有限公司,湖北,武汉,430063 |
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| 摘 要： | 通过对采取的代表性弱膨胀土和中等膨胀土试样进行石灰改良前后的室内试验研究,得到膨胀土改良前后的土性变化规律,试验研究结果表明膨胀土填料经石灰改良后,其粘粉粒含量减小、塑性指数降低、胀缩性降低、力学强度提高、压缩性减小、水理性增强,填料的工程性质大大改善,可用于高速铁路路基填筑.
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| 关 键 词： | 膨胀土 石灰改良 工程性质 |
Indoor experiment research of expansive soil lime improved |
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| SHEN Wei-sheng.Indoor experiment research of expansive soil lime improved[J].Shanxi Architecture,2011,37(18):112-115. |
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| Authors: | SHEN Wei-sheng |
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| Affiliation: | SHEN Wei-sheng |
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| Abstract: | Through the lime improved fore-and-aft indoor experiment research of representative ebb expansive soil and moderate expansive soil,got the change rule of soil character expansives soil improvement fore-and-aft.Test results showed that the expansive soil by lime improved,the sticky powder grain content decreased,and plastic index was reduced,swell-shrink nature decreased,mechanical strength enhanced,compressibility decreased,water rised,packing engineering properties could be greatly improved,could be used f... |
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| Keywords: | expansive soil lime improved engineering property |
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