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The mechanism of seepage prevention of polymer grouting repair for longitudinal cracks in reconstructed and expanded pavement

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  • Lin Guo
  • Baolin Wang
  • Bei Zhang
  • Zhaoxu Yang
  • Lin Zhou
  • Yanhui Zhong

Abstract

A key challenge in highway reconstruction and expansion projects is to reduce longitudinal cracking at the junction of old and new roadbeds, which is a critical issue in the maintenance of transportation infrastructure. Polymer grouting technology, a non-excavation method for hidden subgrade defects, leverages material self-expansion properties to fill voids, enhance load-bearing capacity, and bond structural layers while providing seepage control—enabling rapid repair of longitudinal pavement joints. This study investigates the seepage characteristics of polymer-grouted longitudinal joints in reconstructed pavements by simulating post-repair infiltration behavior under rainfall conditions. The results elucidate the anti-seepage efficacy of polymer grouting, offering theoretical and practical insights for efficient longitudinal joint treatment in highway expansion projects.

Suggested Citation

  • Lin Guo & Baolin Wang & Bei Zhang & Zhaoxu Yang & Lin Zhou & Yanhui Zhong, 2025. "The mechanism of seepage prevention of polymer grouting repair for longitudinal cracks in reconstructed and expanded pavement," PLOS ONE, Public Library of Science, vol. 20(10), pages 1-24, October.
    • Handle: RePEc:plo:pone00:0332219
    DOI: 10.1371/journal.pone.0332219
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