Table 1:
Names adopted for models considering the stiffness of the connection.
k
b
Model I
Model II
Model III
∞
M1
M2
M3
50
M1-50
M2-50
M3-50
25
M1-25
M2-25
M3-25
12.5
M1-12.5
M2-12.5
M3-12.5
6.25
M1-6.25
M2-6.25
M3-6.25