Prediction of Small-Strain Dynamic Properties on Granulated Spherical Glass Bead-Polyurethane Mixtures

Table 3

Experimental condition.

Type	Small material	Large particles
	PB	GB 100	GB 250	GB 400	GB 600	GB 700
Particle-size ratio ()	—	1.1	1.6	2.9	4.2	6.3
Confining pressure ()	—	100	100	100	100	100
		200	200	200	200	200
		300	300	300	300	300
Relative density ( (%))	—	40	40	40	40	40
		60	60	60	60	60
		80	80	80	80	80