Table 1 Test scheme parameters.

From: Mechanical characteristics and energy evolution in a rock mass with a weak structural plane

Specimen number

Dip angle/(°)

Confining pressure/(MPa)

Specimen lithology

Structural surface roughness

Loading rate /(N/S)

A1

10

1

Mudstone

Fine-grained sand

200

A2

15

A3

20

A4

25

A5

30

A6

35

A7

40