Table 1.

BLL average UCS values, σu-av and 50% Young's modulus (Et (50%)-av)

Number of specimensSize (h/d)Stress/strain rateσu-av (MPa)Et (50%)-av (GPa)
Canale quarry; DICEA; cubes3012.4 mm min−172.60 ± 13.9917.72 ± 8.27
La Valle quarry; DICEA; cubes2312.4 mm min−183.69 ± 14.3426.44 ± 13.82
Canale quarry; DICEA; cores1622.4 mm min−162.70 ± 13.4920.71 ± 6.50
Canale quarry; Prague; cores928 kN min−1126.60 ± 45.7765.36 ± 17.66
La Valle quarry; INNOVA; cubes310.5–1 MPa s−1176.03 ± 48.0533.09 ± 17.80