Experimental Study on Fracture Properties of Hydraulic Concrete with Different Crack-Depth Ratios Based on Acoustic Emission and DIC Techniques

Table 2

The fracture parameters of hydraulic concrete.

Specimen	(kN)	(MPa·m^1/2)	(MPa·m^1/2)	(N·m^−1)	ac (mm)	Δac (mm)
WS300-0.3	27.31	0.74	2.04	350.76	167.06	77.06
WS300-0.4	23.27	0.78	1.95	347.73	176.83	56.83
WS300-0.5	17.38	0.77	1.89	241.50	197.36	47.36
WS450-0.3	27.21	0.40	1.05	354.58	243.47	108.47
WS450-0.4	19.77	0.38	0.98	309.40	276.29	96.92
WS450-0.5	15.23	0.39	0.82	264.67	285.46	60.46