A Damage Constitutive Model of Rock Subjected to Freeze-Thaw Cycles Based on Lognormal Distribution

Table 1

Parameter values of the rock damage constitutive model under different freeze-thaw cycles.

F-T cycles	(MPa)	(°)	(GPa)		(MPa)
0	2	38.4	1.387	0.258	14.572	11.0	0.2144	2.6588
	4		1.628	0.255	19.652	13.0	0.3018	2.8553
	6		1.649	0.254	24.866	16.0	0.3078	3.0644
5	2	35.8	1.295	0.259	13.101	10.6	0.2295	2.6289
	4		1.452	0.257	19.132	13.2	0.2099	2.8386
	6		1.565	0.255	24.347	17.0	0.3499	3.1278
10	2	33.6	1.156	0.262	12.701	11.3	0.2078	2.6821
	4		1.289	0.260	18.910	14.5	0.1950	2.9239
	6		1.325	0.259	23.519	19.2	0.3465	3.2494
20	2	30.9	0.890	0.268	11.356	12.1	0.0985	2.6606
	4		1.066	0.264	18.100	18.0	0.2996	3.1804
	6		1.240	0.260	22.903	21.1	0.4157	3.3369
40	2	29.2	0.710	0.277	10.570	15.2	0.2325	2.9907
	4		0.917	0.273	17.121	19.0	0.2627	3.2253
	6		0.932	0.269	21.274	24.9	0.3832	3.5076