Advances in Laboratory-Scale Hydraulic Fracturing Experiments

Table 2

Samples used for laboratory-scale hydraulic fracturing experiments with a true triaxial experimental setup.

Material	Mechanical parameter^1	Geometry^2	Dimension^3	References
Granite	(67.91, 0.31); (38–43, 0.2–0.3); (65, 0.27)	RB; cube	15^2 × 25; 17^3; 33^3	[76, 81, 97, 98]
Mortar	(27.74, 0.19); (8.402, 0.23); (7.43, 0.15)	Cube	10^3; 15^3; 30^3	[46, 68, 72, 85, 99, 100]
Shale	(32.44, 0.23); (36.36, 0.241); (37.18, 0.236); (32.7, 0.26); (14.06, 0.367); (40, 0.18)	Cube	10^3; 30^3; 40^3	[62, 67, 80, 83, 101–103]
Concrete	(24.6, 0.17)	RB	30^2 × 60	[84]
Sandstone	(23.6, 0.218); (38.2, 0.241)	RB; cube	30^3; 76.2^2 × 91.44; 60 × 30^2	[69, 79, 104–106]
Coal	(4.05, 0.25)	Cube	40^3	[66]
Cement	(24, 0.15)	Cube	30^3	[49, 86]
Ice	NA	Cube	20^3	[107]
Hydrostone	(7.86, 0.2)	Cube	30^3	[108]
Carbonate	NA	Cube	30^3	[109]
Limestone	(42.1, 0.32)	Cube	40^3	[110]

Note.¹The mechanical parameters are Young’s modulus (GPa) and Poisson’s ratio. ²RB = rectangular block. ³The dimension is presented in cm.