Research Article

Experimental Study on the Effect of Offset Notch on Fracture Properties of Rock under Three-Point Bending Beam

Table 1

Peak loads for the specimens with one single offset notch.

SpecimensOffset distance (mm)Peak load (kN)Average peak load (kN)

B0%-102.50862.57
B0%-22.2371
B0%-32.9709

B10%-17.253.23262.87
B10%-22.6326
B10%-32.7414

B20%-114.52.98113.12
B20%-23.1984
B20%-33.1866

B30%-121.753.56563.51
B30%-23.4409
B30%-33.5373

B40%-129.004.17144.14
B40%-24.1164
B40%-3N/A

B50%-136.254.19034.20
B50%-24.1959
B50%-34.2000