Table 19 Peak stress statistics for monitoring points by programme.

From: Research on the optimization of optimal blasting parameters and fragmentation control based on coal seam geological conditions

Scheme

Peak stress at point A (MPa)

Peak stress at point B (MPa)

Peak stress at point C (MPa)

Peak stress at point D (MPa)

Average peak stress (MPa)

Scheme 1

18.297

16.115

10.688

13.007

14.527

Scheme 2

14.801

12.221

12.408

12.054

12.871

Scheme 3

21.601

21.904

12.772

10.274

16.638

Back to article page