Enhancement mechanisms of coal permeability under water saturated conditions using liquid nitrogen freeze thaw cycles.

Sci Rep · 2025 · PMC12254214 · PMID 40646142

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a decreasing trendno p-value reported

an increasing trendno p-value reported

The results showed that the peak stress of the coal samples showed a decreasing trend, the modulus of elasticity showed a decreasing trend, and the Poisson’s ratio showed an increasing trend with the increase of the number of liquid nitrogen cyclic freeze-thaw.

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