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March 31, 2026Research in Cold and Arid RegionsOpen Access

Experimental investigation on the hydro-thermal variation and frost heave during the unidirectional freezing process of sandy soil

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Authors

CYChang YuanNorthwest Institute of Eco-Environment and ResourcesFLFan LiChina Communications Construction Company (China)QBQianQian BaoEast China University of Technology

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Implication

Model test investigates temperature variation and frost heave in sandy soil, indicating implications for freezing processes in engineering.

Key Points

  • This research aims to investigate the hydro-thermal characteristics and frost heave behavior of sandy soil during unidirectional freezing.
  • Conducted unidirectional freezing model tests under an open system.
  • Measured variations in temperature field, unfrozen water content, and frost heave.
  • Developed a thermal-hydro-deformation coupling model to describe the freezing process.
  • Lower cold plate temperatures lead to faster cooling and larger temperature gradients.
  • The stable frozen area increases nonlinearly with dry density.
  • Frost heave transitions from none to weak at a dry density of 2.1 g/cm³.

Cite This Study

Yuan et al. (2026) studied this question.

synapsesocial.com/papers/69cb6541e6a8c024954b958fhttps://doi.org/10.1016/j.rcar.2026.03.004
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1A model for coupled heat and moisture transfer during soil freezing1978 · 385 citations
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  3. 3Numerical Analysis of Thermo-Hydro-Mechanical Coupling of Diversion Tunnels in a Seasonally Frozen Region2020 · 23 citations