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September 10, 2025Soil Science Society of America JournalOpen Access

Shrinkage and soil water retention characteristics of undisturbed soft sensitive clay after electroosmosis treatment

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Authors

UWUdesh WijepalaMHMohamad HanafiHBHossein Baniasadi

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Overview

Laboratory experiments revealed that electroosmosis significantly improves consolidation and alters pH-driven soil water retention in soft clay.

Key Points

  • Electroosmotic treatment resulted in a 10^2 increase in dewatering rate and 22% settlement compared to traditional methods.
  • pH variations influenced shrinkage limits and soil water retention, with acidification reducing limits and alkalinity increasing them.
  • Changes in soil microstructure were observed, including a 35% increase in minimum void ratio near the cathode and a 5% decrease near the anode.
  • Mineralogical reorganization was indicated by the degradation and enrichment of Si–O functional groups due to electroosmotic treatment.

Cite This Study

Wijepala et al. (2025) studied this question.

synapsesocial.com/papers/68c1b1a154b1d3bfb60e9239https://doi.org/10.1002/saj2.70109
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