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In a process called Ice Segregation cold water moves through a medium toward the presence of ice, freezes at the interface and adds to the ice. When this occurs at or near the surface of soil …

THEORETICAL STUDIES OF ICE SEGREGATION IN SOIL By KIYOSHI ARAKAWA (Department of Physics, Hokkaido University, Sapporo, Japan) ABSTRACT. The mathematical …

Jan 1, 2025 · The segregation potential (SP) is proposed based on the frozen fringe between ice lens and frost fronts [14], which involves the water phase change, water migration and ice …

One involves uniform or differen tial frost heaving as a result of ice segregation; the other concerns the loss of bearing strength when thawing occurs. A soil which exhibits either one or …

Aug 1, 2024 · To analyze segregation ice during soil freezing for different soils, a freezing-thawing experiment was conducted with Lanzhou loess (LZL) and Qinghai-Tibet Plateau silty clay …

In this paper, the influence of ice segregation on the hydraulic conductivity of frozen soil was analyzed based on current experimental evidence, ice segregation theory and the Gibbs …

When the segregated ice forms on the ground surface it is called ―needle ice‖ . . . when it forms inside the freezing soil it is called ―ice lens‖ . . . a common feature, i.e., the suction of water …

Abstract The mathematical theory of heat conduction is applied to the analysis of ice segregation processes in soil. A diffusion equation is first employed for the flow of soil moisture. Two new …

Dec 1, 1981 · X-ray photography has been used to locate the position of a growing ice lens in soil under laboratory conditions in order to establish the temperature of the actively growing face …

Recent studies on the theory and experimental verification of frost heaving have yielded important information. During the freezing of soil, the water in soil migrates to the freezing front. Several …

Feb 10, 2022 · For predicting the impacts of permafrost degradation under global warming and segregated ice transformation on engineering and environmental, establishing appropriate …

1 day ago · Premelting provides the thermomolecular forces that drive the segregation of ice and soil during frost heave [1,12]. Figure 1. (a) Schematic of a frozen fringe of sediment below an …

An analysis of the diffusion and ice nucleation processes suggests conditions under which ice lensing can be expected; in particular, it is shown that multiple ice lenses cannot form unless …

Sep 1, 2009 · The foundation of frost heave controlling is the research on evolving rules of segregation ice. The evolving rules of segregation ice have been researched systematically by …

Most Canadian soils contain dissolved salts and are subject to freezing. However, the structural consequences of freezing in the presence of solutes are unknown. The effects of ice …

Apr 7, 2020 · PDF | The formation and layer of ice lenses during the freezing of soil in cold regions is closely related to frozen heave and moisture immigration.

Jul 1, 2024 · Detailing the phase change and migration mechanism of segregated ice in frozen soil is crucial to predict the complex variation in thawing frozen soil.

4 days ago · Ice core δ 18 O and temperature evolution in the iTRACE model. As the iTRACE model does not account for post-depositional processes in ice cores, we further utilize its …