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Hydro-Mechanical Coupling of Cement-Based Slurry Grouting in Saturated Geomaterials

Author

Listed:
  • Haitao Wang

    (School of Water Conservancy and Civil Engineering, Zhengzhou University, Zhengzhou 450001, China)

  • Lei Kou

    (School of Water Conservancy and Civil Engineering, Zhengzhou University, Zhengzhou 450001, China)

  • Hongkang Zhu

    (School of Water Conservancy and Civil Engineering, Zhengzhou University, Zhengzhou 450001, China)

Abstract

A mathematical model is proposed to simulate the fully hydro-mechanical coupling of two-phase cement-based slurry migration in saturated deformable geomaterials from microscopic to macroscopic scale. The mass conservation equations and the momentum balance equations for cement-based slurry and geomaterials are derived based on the thermodynamically constrained averaging theory (TCAT). The Galerkin discretization of the governing equations of hydro-mechanical coupling are developed by the isogeometric analysis (IGA) integrated with the Bézier extraction operator, and the numerical calculation is implemented with the generalized backward Euler method. The presented modeling is verified by comparison of the numerical calculation with the experimental tests, and the pore fluid pressure of the stratum and the slurry concentration of cement-based slurry migration in saturated deformable geomaterials are discussed. The modeling presented provides an effective alternative method to simulate cement-based slurry migration and explore isothermal multiphase coupled problems.

Suggested Citation

  • Haitao Wang & Lei Kou & Hongkang Zhu, 2023. "Hydro-Mechanical Coupling of Cement-Based Slurry Grouting in Saturated Geomaterials," Mathematics, MDPI, vol. 11(13), pages 1-14, June.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:13:p:2877-:d:1180407
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    References listed on IDEAS

    as
    1. Liang Li & Qingxiang Huang & Xiao Zuo & Jie Wu & Baoning Wei & Yanpeng He & Weilong Zhang & Jie Zhang, 2022. "Study on the Slurry Diffusion Law of Fluidized Filling Gangue in the Caving Goaf of Thick Coal Seam Fully Mechanized Caving Mining," Energies, MDPI, vol. 15(21), pages 1-18, November.
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