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

Table 1

Physical properties of GB and PB.

Properties	PB	GB 100	GB 250	GB 400	GB 600	GB 700
Median grain size (D50 (mm))	0.08	0.09	0.13	0.23	0.34	0.51
Specific gravity ()	1.05	2.48
Coefficient of uniformity ()	1.52	1.62	1.22	1.09	1.34	1.22
Coefficient of curvature ()	1.30	1.20	0.97	0.98	0.96	0.97
Minimum void ratio (emin^1)	0.32	0.55
Maximum void ratio (emax^1)	0.51	0.69

¹Same value independent of GB particles.