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Pin/Bolt Safety Check

You can determine if a bolt or a pin in an assembly can safely carry the applied loads, or if it will fail.

The software calculates the combined load ratio a connector withstands and compares it with the user-defined factor of safety.

The pass/no-pass check for connectors is available for linear and nonlinear static studies. For nonlinear studies, the software displays the pass/no pass status of all pin and bolt connectors for each solution step.

Axial load ratio

Ra = F/(At*S)

F = axial load calculated by the software

At = tensile area

S = strength value of connector's material or grade (could be yield, ultimate, proof or shear strength based on application)

Bending load ratio

Rb = D*M/(2*S*I)

M = Bending moment calculated by the software,

D = nominal shank diameter

S = strength value of connector's material or grade (could be yield, ultimate, proof or shear strength based on application)

I =0.25*p*r^4

Shear load ratio

Rs = V/(At*S)

V = Shear load calculated by the software

At = tensile area

S = strength value of connector's material or grade (could be yield, ultimate, proof or shear strength based on application)

Combined load ratio

(Ra + Rb)^2 + Rs ^3

 

Pass/ No Pass Safety Check

 

 

Connector pass criterion

1 / ((Ra + Rb)^2 + Rs ^3) > SF

SF = user-defined factor of safety

Connector no pass criterion

1 / ((Ra + Rb)^2 + Rs ^3) < SF

 

Related Topics

Pin/Bolt Check

Connector - Bolt

Connector - Pin

 



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