Effect of Loading and Unloading Rates on Sandstone Deformation and Dilatancy under True Triaxial Condition

After conducting true triaxial tests on sandstone in a laboratory setting, this study aims to determine the safe tunnelling rate of the roadway by examining the instability and failure characteristics of surrounding rock under different disturbance stresses in deep underground roadway excavation. Re...

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Veröffentlicht in:	Sustainability 2023-03, Vol.15 (6), p.5105
Hauptverfasser:	Wang, Yingwei, Du, Weihang, Zhang, Dongming, Yu, Beichen
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Coal mining Crack initiation Deformation Deformation effects Deformations (Mechanics) Dilatancy Excavation Laboratories Load distribution Loading rate Mechanical properties Residual stress Rocks Sandstone Simulation Stone Test systems Testing Triaxial tests Underground roadways
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