Analysis of Damage Constitutive Model for Frozen Red Clay under Uniaxial Compression

Table 1

Main technical parameters single-axle frozen soil experiment machine.

Main technical parameters
Maximum test force (kN)	100 kN
Load binning	10%, 20%, 50%, and 100%
Axial displacement binning	Could be adjusted freely
Axial displacement range	±50 mm
Axial strain loading rate	1%/min–30%/min
Axial stress loading speed	0.1 MPa/s–0.8 MPa/s
Power supply	380 V
Temperature measurement accuracy	±0.1°C
Sampling interval	≥0.1 s