Fracture evolution characteristics of strainburst under different gradient stress
Gang Wang,
Xiqi Liu,
Leibo Song
et al.
Abstract:Strainburst often occurs in the loading process of tangential stress concentration from surrounding rocks after excavation and unloading of deep rock mass. The concentrated tangential stress is relatively larger on the tunnel walls, which decreases towards the interior of surrounding rocks with a certain gradient. To explore the fracture evolution characteristics of surrounding rocks under different tangential gradient stresses and understand various phenomena in the strainburst process, a large‐scale true‐tri… Show more
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