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考虑有效孔隙比影响的饱和黏性土中注浆渗透机理

寇磊 徐建国 王博

寇磊, 徐建国, 王博. 考虑有效孔隙比影响的饱和黏性土中注浆渗透机理[J]. 应用数学和力学, 2018, 39(1): 83-91. doi: 10.21656/1000-0887.380050
引用本文: 寇磊, 徐建国, 王博. 考虑有效孔隙比影响的饱和黏性土中注浆渗透机理[J]. 应用数学和力学, 2018, 39(1): 83-91. doi: 10.21656/1000-0887.380050
KOU Lei, XU Jianguo, WANG Bo. Research on Grouting Infiltration Mechanism for Time-Dependent Viscous Slurry Considering Effective Void Ratios in Saturated Clay[J]. Applied Mathematics and Mechanics, 2018, 39(1): 83-91. doi: 10.21656/1000-0887.380050
Citation: KOU Lei, XU Jianguo, WANG Bo. Research on Grouting Infiltration Mechanism for Time-Dependent Viscous Slurry Considering Effective Void Ratios in Saturated Clay[J]. Applied Mathematics and Mechanics, 2018, 39(1): 83-91. doi: 10.21656/1000-0887.380050

考虑有效孔隙比影响的饱和黏性土中注浆渗透机理

doi: 10.21656/1000-0887.380050
基金项目: 国家自然科学基金(51708512;51579226);河南省高等学校重点科研项目(17A560031)
详细信息
    作者简介:

    寇磊(1983—),男,讲师,博士(通讯作者. E-mail: klyhe@163.com).

  • 中图分类号: TU435

Research on Grouting Infiltration Mechanism for Time-Dependent Viscous Slurry Considering Effective Void Ratios in Saturated Clay

Funds: The National Natural Science Foundation of China(51708512;51579226)
  • 摘要: 考虑强结合水膜对黏性土渗透特性的影响,依据土体物理特征参数建立有效孔隙比计算公式;修正经典的Kozeny-Carman渗透系数的经验公式,得到适用于黏性土的渗透系数经验计算公式;在此基础上,推导黏性土层中黏度时变性浆液注浆柱面和球面渗透扩散半径和渗透压力的计算公式.通过算例,验证了提出的黏性土渗透系数经验公式的正确性,并对比分析了不同注浆压力、注浆时间条件下是否采用有效孔隙比、是否考虑浆液黏度时变性对浆液扩散半径的影响.计算结果表明:采用天然孔隙比的扩散半径是采用有效孔隙比的扩散半径的约1.5倍,且两者的差距随注浆压力的增大、注浆时间的延长而增大;黏性土的渗透特性必须考虑强结合水膜的影响.
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出版历程
  • 收稿日期:  2017-03-06
  • 修回日期:  2017-04-01
  • 刊出日期:  2018-01-15

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