Experimental Investigation on Hydroabrasive Erosion of Steel Fiber UHPC and Rubber UHPC

Table 2

Physical index of sand.

Type of aggregate	Loose bulk density (kg/m^3)	Loose bulk porosity (%)	Saturated surface dry density (kg/m^3)	Saturated dry water absorption (%)	Mud content (%)
Natural sand	1731.84	35.2	2674.50	1.18	0.05
Quartz sand	1733.99	38.32	2649.91	0.89	0.04
Synthetic sand	1834.05	37.33	2830.14	1.56	0.07