Table 5. Experiments Classified by the Half Width of Undamaged Band wu in the Samplea



Experiments	Rupture Direction	Vr (m/s)
Undamaged Half Width = 0.5 cm
H-51	left	1000
H-51	right	1030

Undamaged Half Width = 2 cm
H-52	left	1010
H-52	right	1050

aExperiment name, direction of rupture propagation (left or right), and rupture speed vr. All experiments were run at a uniaxial stress of 12 MPa.