Research Article

Dynamic Model and Mechanical Properties of the Two Parallel-Connected CRLD Bolts Verified with the Impact Tensile Test

Table 3

Parameters used in drawing the analytical curve.

Parametervalue

Constant resistance (KN)184.17
Corresponding displacement on constant resistance (mm)2.3
Coefficient on intensity of impact load (KN)148.245
Coefficient on duration of impact load (1/ms)13.96
Mass of single bolt shank and cone (Kg)3.26
Mass of double sleeve and pallet (Kg)35.68
Stiffness of the shank (KN/mm)79.8
Sleeve elastic constant (N/m3)1.003 × 1011
Cone geometrical constant (m3)2.902 × 10−6
Static frictional coefficient 0.1007
Dynamic frictional coefficient 0.0879