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Influence of strain measurement methods on crack initiation and crack damage thresholds of shale

Rongchao Xu, Liang Gao, Yiding Jin, Yibo Wang et al. • Geomechanics and Geophysics for Geo-Energy and Geo-Resources (2025)

Abstract The crack initiation stress (σ ci) and crack damage stress (σ cd) are two important stress thresholds for describing the progressive failure process of rocks. Accurately obtaining these two stress thresholds is crucial for analyzin...

DOAJ Open Access (DOAJ) DOI: 10.1007/s40948-025-00940-8

Linear fractal evolution characteristics of rock crack distributions during loading process

Jingyi Huang, Xu Wei, Zaimin Zheng, Xiaopeng Su et al. • Scientific Reports (2024)

Abstract To investigate the fractal characteristics of rock crack distributions during the loading process, discrete element method was used to make rock samples with joints and record the crack propagation. The Box-counting method was used...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-024-69121-z