Fig. 2

Instruments used in uniaxial compression acoustic emission test. (a) TAW-1000 Microcomputer controlled rock triaxial creep testing machine, (b) Acoustic emission testing machine, (c) Freeze-thaw test chamber.

Instruments used in uniaxial compression acoustic emission test. (a) TAW-1000 Microcomputer controlled rock triaxial creep testing machine, (b) Acoustic emission testing machine, (c) Freeze-thaw test chamber.