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August 21, 2025International Journal of Physical Modelling in Geotechnics

Slurry viscosity and its effect on infiltration considering pressure effect

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Authors

XZXiaoyan ZhangChina University of Mining and Technology - BeijingHLHongsen LiQingdao UniversityDHDongxue HaoNortheast Electric Power University

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Implication

Experiments reveal that high-viscosity slurries create denser filter cakes, suggesting optimal slurry pressure conditions for tunnelling.

Key Points

  • High-viscosity slurries lead to very low permeability filter cakes, enhancing excavation stability.
  • Filter cake permeability varies significantly between low and high viscosities, particularly with changing pressure levels.
  • Experiments conducted on bentonite slurries demonstrate varying microstructure characteristics with different viscosities.
  • Using low-viscosity slurries at higher pressures can improve filter cake stability during tunnelling operations.

Cite This Study

Zhang et al. (2025) studied this question.

synapsesocial.com/papers/68af6d907567bf4f94feaf2chttps://doi.org/10.1680/jphmg.25.00003
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