Fig 1.
Schematic diagram of the test system (a) system diagram; (b) hydraulic pressure system.
Fig 2.
Schematic diagram of the mold and the 3D specimen.
Fig 3.
CAD drawing of sealing fixture.
Fig 4.
Detailed drawing of testing machine loading platform.
Fig 5.
Stress-strain and hydraulic pressure curves.
Fig 6.
Stress-strain curves with non-hydraulic and stabilized hydraulic.
Fig 7.
Curve of peak strength change of specimen with non-hydraulic and stabilized hydraulic.
Fig 8.
Elastic modulus change curve with non-hydraulic and stabilized hydraulic.
Table 1.
Initial crack propagation table of fissured rock mass (unit: mm).
Fig 9.
Characteristic curve of acoustic emission ringing count and its total number change.
(a) Non-hydraulic-0°. (b) Stabilized hydraulic-0°. (c) Non-hydraulic-45°. (d) Stabilized hydraulic-45°. (e) Non-hydraulic-90°. (f) Stabilized hydraulic-90°.
Fig 10.
Acoustic emission peak frequency variation curve.
(a) Non-hydraulic-0°. (b) Stabilized hydraulic-0°. (c) Non-hydraulic-45°. (d) Stabilized hydraulic-45°. (e) Non-hydraulic-90°. (f) Stabilized hydraulic-90°.
Fig 11.
Damage variable evolution curve.
(a) Non-hydraulic-0°. (b) Stabilized hydraulic-0°. (c) Non-hydraulic-45°. (d) Stabilized hydraulic-45°. (e) Non-hydraulic-90°. (f) Stabilized hydraulic-90°.
Fig 12.
Characteristic curve of damage variable stage.