Research on Creep Characteristics and the Model of Artificial Frozen Soil

Table 4

Test results of Poisson’s ratio.

Test temperature (°C)	−5	−8	−10	−15	−20
Poisson’s ratio	0.34	0.33	0.33	0.29	0.27
	0.36	0.35	0.31	0.28	0.28
Average value	0.35	0.34	0.32	0.30	0.26
	0.35	0.34	0.32	0.29	0.27