| 兰州石灰土工程性质的试验研究 |
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| 引用本文： | 米海珍,胡燕妮.兰州石灰土工程性质的试验研究[J].建筑科学,2009,25(1). |
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| 作者姓名： | 米海珍 胡燕妮 |
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| 作者单位： | 兰州理工大学,土木工程学院,兰州,730050 |
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| 摘 要： | 通过室内土工试验,分析兰州地区灰土的含水量、含灰最及养护龄期对其工程性质--抗剪强度、压缩性及渗透性等的影响.结果表明:灰土强度的主要影响因素有养护龄期和含水量;经养护一年后的灰土粘聚力增加约10倍,内摩擦角略有增大;当灰土在最佳含水量时压缩系数接近极小值,含水量大于最优含水量时压缩性急剧增大;压实黄土的渗透系数比原状黄土减小一个数量级,而灰土的渗透系数约为压实黄土的50%～70%,且灰土具有很强的抗冲刷能力.
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| 关 键 词： | 压实黄土 灰土 工程性质 试验 |
Experimental Study on Engineering Property of Lime-Loess in Lanzhou |
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| MI Hai-zhen,HU Yan-ni.Experimental Study on Engineering Property of Lime-Loess in Lanzhou[J].Building Science,2009,25(1). |
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| Authors: | MI Hai-zhen HU Yan-ni |
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| Affiliation: | Lanzhou University of Technology;Lanzhou 730050;China |
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| Abstract: | Based on laboratory tests,writers analyzed engineering properties of lime-loess in Lanzhou with the influence of physical indexes considered.The engineering properties include shearing strength,compression and permeability.The physical indexes of lime-loess are water content,lime-loess ratio and curing time.The test data show that the shearing strength mainly depends on the curing time and the water content.After curing for 1year, the cohesion of the lime-loess increase by 10 times as compared with the cohe... |
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| Keywords: | compaction loess lime-loess engineering property test |
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