Table 2 Settings of contact relationship.

From: Finite element study on the mechanism of the influence of pretension force and block strength on the shear resistance of the anchor cable with C-shaped tube

Contact part 1

Contact part 2

Contact method

Normal direction

Tangential friction coefficient

Metal wire

Metal wire

Hard contact

0.15

Cable

C-shaped tube

Hard contact

0.15

C-shaped tub

Block

Hard contact

0.2

Block

Block

Hard contact

Frictionless