Research Article

Research of Transitional Failure Mode as Damage Evolution in Rock Wall

Table 1

Results from compression experiments of sandstone specimens.

Diameter (mm)Confining pressure (MPa)Axial stress (MPa)

30040.68
30039.16
3010120.01
3010126.99
3020175.13
3020170.87
3030210.43
3030232.57
50056.37
5010140.13
5020158.34
5030200.96
100059.35