Study on the influence mechanism of hole sizes on the mechanical properties and damage laws of sandstone

•Uniaxial compression-DIC-GDEM integration studies borehole size effects on sandstone.•Real-time monitoring captures H → X → S strain field evolution and failure patterns.•Critical threshold η = 0.085–0.141 dominates boundary-effect deviations enabling new rock instability approaches. To prevent and...

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Vydané v:	Theoretical and applied fracture mechanics Ročník 141; s. 105221
Hlavní autori:	Hou, Fubin, Wang, Hanpeng, Sun, Dekang, Zhou, Yuguo, Zhang, Bing, Wang, Wei, Zhang, Jinhou, Wu, Yunhao
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Elsevier Ltd 01.02.2026
Predmet:	Computational algorithm Crack propagation Size effect Strain field evolution Computational algorithm Strain field evolution Size effect Crack propagation
ISSN:	0167-8442
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