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September 10, 2025Physics of Fluids

Experimental and mechanistic investigation of synergistic effects of particle size distribution and xanthan gum on rheological and infiltration properties of bentonite slurries

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The addition of xanthan gum increased yield stress in bentonite slurry by over 200%, significantly improving its performance.
Different particle size distributions led to notable reductions in infiltration distance, decreasing from 25 cm to 5 cm.
A Box–Behnken experimental design incorporated multiple factors, enabling detailed analysis and prediction of slurry behavior.
Results demonstrate the complex interactions of additives and materials on rheological and infiltration properties in slurry shield tunneling.

Authors

SGShaoxuan Guo RLRui LiUniversity of Science and Technology of China MZMi ZhangQueen Mary University of London

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Implication

Experimental analysis shows xanthan gum enhances rheological performance in bentonite slurries, indicating complex interactions and implications for tunneling.

Cite This Study

Guo et al. (2025) studied this question.

synapsesocial.com/papers/68c1b61454b1d3bfb60eb681 https://doi.org/10.1063/5.0282452

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Implication

Experimental analysis shows xanthan gum enhances rheological performance in bentonite slurries, indicating complex interactions and implications for tunneling.

Experimental and mechanistic investigation of synergistic effects of particle size distribution and xanthan gum on rheological and infiltration properties of bentonite slurries

Key Points

Discussion

Implication

Cite This Study

Experimental and mechanistic investigation of synergistic effects of particle size distribution and xanthan gum on rheological and infiltration properties of bentonite slurries

Key Points

Discussion

Implication

Cite This Study

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