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不同初始孔隙比土体进气值及土-水特征曲线预测

陶高梁, 孔令伟

陶高梁, 孔令伟. 不同初始孔隙比土体进气值及土-水特征曲线预测[J]. 岩土工程学报, 2018, 40(S1): 34-38. DOI: 10.11779/CJGE2018S1006
引用本文: 陶高梁, 孔令伟. 不同初始孔隙比土体进气值及土-水特征曲线预测[J]. 岩土工程学报, 2018, 40(S1): 34-38. DOI: 10.11779/CJGE2018S1006
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TAO Gao-liang, KONG Ling-wei. Prediction of air-entry value and soil-water characteristic curve of soils with different initial void ratios[J]. Chinese Journal of Geotechnical Engineering, 2018, 40(S1): 34-38. DOI: 10.11779/CJGE2018S1006
Citation: TAO Gao-liang, KONG Ling-wei. Prediction of air-entry value and soil-water characteristic curve of soils with different initial void ratios[J]. Chinese Journal of Geotechnical Engineering, 2018, 40(S1): 34-38. DOI: 10.11779/CJGE2018S1006
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不同初始孔隙比土体进气值及土-水特征曲线预测  English Version

  • 1. 湖北工业大学土木建筑与环境学院,湖北 武汉 430068;
    2. 中国科学院武汉岩土力学研究所,湖北 武汉 430071

基金项目: 湖北省教育厅科研计划项目（D20161405）
详细信息
    作者简介:

    陶高梁(1979- ),男,副教授,主要从事土力学教学和科研工作。E-mail：tgl1979@126.com。

  • 中图分类号: TU43

Prediction of air-entry value and soil-water characteristic curve of soils with different initial void ratios

  • 1. School of Civil, Architectural ＆ Environmental Engineering , Hubei University of Technology, Wuhan 430068, China;
    2. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China

摘要

    摘要
  • 摘要: 建立不同初始孔隙比条件下土-水特征曲线预测方法是进行非饱和土水-力耦合研究的基础,因而具有重要的研究意义。为此,以分形理论为基础建立了不同初始孔隙比下进气值预测方法,分析了不同初始孔隙比条件下分维数近似不变的规律,在此基础之上,利用土-水特征曲线分形模型给出了不同初始孔隙条件的土-水特征曲线预测方法,试验结果表明提出的预测方法较为合理。
    Abstract: The prediction method for soil-water characteristic curve under different initial void ratios is the foundation of the study on hydro-mechanical coupling of unsaturated soils, so it is of important research significance. For this purpose, the prediction method for air-entry value of soils with different initial void ratios is established based on the fractal theory. The fractal dimension of different initial void ratios is studied and discovered to be approximately the same rule. On this basis, the prediction method for soil-water characteristic curve of soils with different initial ratios is established by using the fractal model. The experimental results show that the proposed prediction method is reasonable.
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    • 参考文献(11)
  • [1] 张雪东, 赵成刚, 刘艳, 等. 变形对土水特征曲线影响规律模拟研究[J]. 土木工程学报, 2011, 44(7): 119-125.
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    [2] ZHOU A N, SHENG D C, CARTER J P.Modelling the effect of initial density on soil-water characteristic curves[J]. Géotechnique, 2012, 62(8): 669-680.
    [3] 张昭, 刘奉银, 赵旭光, 等. 考虑应力引起孔隙比变化的土水特征曲线模型[J]. 水利学报, 2013, 44(5): 578-585.
    (ZHANG Zhao, LIU Feng-yin, ZHAO Xu-guang, et al.A soil water characteristic curve model considering void ratio variation with stress[J]. Journal of Hydraulic Engineering, 2013, 44(5): 578-585. (in Chinese))
    [4] 陶高梁, 张季如, 庄心善, 等. 压缩变形影响下的土-水特征曲线及其简化表征方法[J]. 水利学报, 2014, 45(10): 1239-1245.
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    [7] 徐永福, 董平. 非饱和土的水分特征曲线的分形模型[J]. 岩土力学, 2002, 23(4): 400–405.
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    [8] 陶高梁, 孔令伟, 肖衡林, 等. 土-水特征曲线的分形特性及其分析拟合[J]. 岩土力学, 2014, 35(9): 2443-2447.
    (TAO Gao-liang, KONG Ling-wei, XIAO Heng-lin, et al.Fractal characteristics and fitting analysis of soil-water characteristic curves[J]. Rock and Soil Mechanics, 2014, 35(9): 2443-2447. (in Chinese))
    [9] 孙德安, 孟德林, 孙文静, 等. 两种膨润土的土-水特征曲线[J]. 岩土力学, 2011, 32(4): 973-978.
    (SUN De-an, MENG De-lin, SUN Wen-jing, et al.Soil-water characteristic curves of two bentonites[J]. Rock and Soil Mechanics, 2011, 32(4): 973-978. (in Chinese))
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出版历程
  • 收稿日期:  2017-06-10
  • 发布日期:  2018-08-24

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