Effects of strain rate and confining pressure on the compressive behavior of Kuru granite

• Published in: International journal of impact engineering Vol. 91; pp. 183 - 193
• Main Authors: Hokka, M., Black, J., Tkalich, D., Fourmeau, M., Kane, A., Hoang, N.-H., Li, C.C., Chen, W.W., Kuokkala, V.-T.
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.05.2016
• Subjects: Confinement; Confining; Confining pressure; Constants; Fracture mechanics; Granite; Granite rock; High strain rate; Rocks; Split Hopkinson pressure bar; Strain rate; Strength; Triaxial loading; Confining pressure; Split Hopkinson pressure bar; Granite rock; Triaxial loading; High strain rate

•Dynamic compression testing at confining pressures up to 225 MPa.•Effects of confining pressure and strain rate on rock strength are discussed.•Strain rate sensitivity is influenced by the confinement only at low pressures. Understanding the influence of hydrostatic pressure and loading rate on the...