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Frost heave behavior of coarse-grained materials for high-speed railways subgrade: experimental analysis and machine learning predictive modeling.

Sci Rep · 2025 · PMC12658275 · PMID 41298660

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a decreasing trendno p-value reported
Generally, as temperature decreases, the total water intake shows a decreasing trend, while frost heave initially increases before decreasing, peaking at − 5 °C.

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