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October 12, 2025Canadian Geotechnical Journal

Full-scale field study on cyclic vacuum preloading for dredged slurry-reclaimed ground

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Authors

LSLi ShiSCSong ChenJWJiahao Wang

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Overview

Full-scale trial demonstrates cyclic vacuum mode reduces energy use and mitigates clogging issues.

Key Points

  • Cyclic vacuum preloading achieved 74.4% reduction in energy consumption while maintaining treatment effectiveness.
  • In-situ tests confirmed ground improvement with pore water pressure dissipation and monitored settlement.
  • Laboratory validation preceded the full-scale field trial on the dredged slurry-reclaimed ground.
  • The vacuum pressure cycled between 50 kPa and 80 kPa, optimizing energy use and minimizing clogging.

Cite This Study

Shi et al. (2025) studied this question.

synapsesocial.com/papers/68ebe3d6becc64ad52fdaf47https://doi.org/10.1139/cgj-2025-0519
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Also Consider

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