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| 软土在固结过程中渗透性变化的试验研究 |
| Experimental study on soft soil permeability changes in the consolidation process |
| 投稿时间：2015-03-16 修订日期：2015-04-22 |
| DOI： |
| 中文关键词: 渗透系数 软土 固结 |
| 英文关键词:spermeability coefficient soft soil consolidation |
| 基金项目: |
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| 中文摘要: |
| 软土随着固结压力的增加其渗透性在减小,反映了土样渗透性的非线性特征。且当有效应力达到一定值时,渗透性减小趋于平缓。在曲线图中,大部分土样的渗透性呈现线性递减的关系,部分土样的渗透系数呈现双曲线型和S型递减的关系,不同的趋势关系不仅与原状土样的所处位置有关,也与土样所处的深度有关。 |
| 英文摘要: |
| The permeability of soft soil decreases with it’s consolidation pressure increases , it reflects the characteristics of nonlinearity of soil permeability .When the effective stress reaches acertain value, the permeability decreases slowly. In the diagram , the most of the permeability of the soil sample renders decreasing at a linear relationship, some soil permeability coefficient of the hyperbolic diminishing and s-type relations, the different trends are not only associated with undisturbed soil sample location, also relevant to the depth of the soil samples. |
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