Study on the damage constitutive characteristics of coal-rock composites under uniaxial compression: Influence of prefabricated crack angle and geometric dimensions.

PLoS One · 2025 · PMC11882100 · PMID 40043054

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a decreasing trendno p-value reported

an increasing trendno p-value reported

Firstly, the compressive strength shows a decreasing trend followed by an increasing trend with the crack angle.

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