Table 2 A summary of detailed test plan.

From: Physical modelling of propagation characteristics of blasting stress waves in rock masses with parallel and X-shaped intersecting joints

Blasthole

Charge weight/g

Key measurement points

Corresponding joints set

H1

1, 3(twice), 5

P1-P3, a1

Two sets of parallel joints

H2

1, 3(twice), 5

P4-P6, a2

Two sets of intersecting joints

H3

1, 3, 5

P7, a3

One set of parallel joints

H4

1, 3, 5

P8, a4

One set of intersecting joints

H5

1

a3

One set of parallel joints

H6

1

a4

One set of intersecting joints