Study on Relaxation Damage Properties of High Viscosity Asphalt Sand under Uniaxial Compression

Table 2

GMM parameters at 15°C.

Model parameter	Number of units
	2	4	6	8
E1 (MPa)	182.072	2.004	1.493	15.261
E2 (MPa)	1125.975	10.042	5015.853	15.261
E3 (MPa)	—	18.491	41.397	41.927
E4 (MPa)	—	295.548	18.603	15.199
E5 (MPa)	—	—	157.825	1.214
E6 (MPa)	—	—	1.409	1.214
E7 (MPa)	—	—	—	1.214
E8 (MPa)	—	—	—	15.199
τ1/s	10.737	6.707	4.604e21	2.433
τ2/s	0.646	39.878	1.264	2.433
τ3/s	—	80.755	26.342	11.278
τ4/s	—	5.628	1.435	2.433
τ5/s	—	—	6.398	2.436
τ6/s	—	—	1.715e21	2.436
τ7/s	—	—	—	2.437
τ8/s	—	—	—	2.433
R^2	0.9769	0.9896	0.9986	0.9886