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06-07-2022 | Original Paper

Numerical Study on Diffusion Distance and Plugging Effect of Grouting in a Vertical Fracture Under High Water Pressure

Author: Jianbo Li

Published in: Geotechnical and Geological Engineering | Issue 11/2022

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Abstract

The article delves into the numerical study of grouting in vertical fractures under high water pressure, focusing on the diffusion distance and plugging effects of grouting materials. It introduces two hydrodynamic models to investigate the variation of water inflow and pressure in grouted fractures. The first model uses the Venturi effect to explain changes in water flow patterns, while the second model employs valve opening degree theory for nearly completely sealed fractures. Numerical simulations demonstrate significant differences in slurry diffusion distances along and against the water flow direction, with the grouting stone body playing a crucial role in sealing effects. The study highlights the importance of grouting stone body properties and the dynamic viscosity in simulating plugging effects, providing practical insights into grouting practices in mining and construction.

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Metadata
Title
Numerical Study on Diffusion Distance and Plugging Effect of Grouting in a Vertical Fracture Under High Water Pressure
Author
Jianbo Li
Publication date
06-07-2022
Publisher
Springer International Publishing
Published in
Geotechnical and Geological Engineering / Issue 11/2022
Print ISSN: 0960-3182
Electronic ISSN: 1573-1529
DOI
https://doi.org/10.1007/s10706-022-02228-0

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