Table 3 Shear stiffnesses of ACC-reinforced jointed rock masses (ACC loaded to failure).

From: Experimental study on the shear performance of an anchor cable with a C-shaped tube anchored flat structural plane

Bolt type

Normal stress (MPa)

Average shear stiffness (kN/mm)

Q235-ACC

2

4.64

Q235-ACC

4

6.71

Q235-ACC

6

8.19

Q235-ACC

10

11.7

Q345-ACC

2

4.97

Q345-ACC

4

8.4

Q345-ACC

6

9.38

Q345-ACC

10

13.84