Bolted Joint

How bolts share the load, and how the laminate fails at a hole

1Material and layup
Layup
2Bolt pattern
3Specimen
4Fastening
Shear
5ExamplesChoose a starting point
Advanced
Ply thickness
Hole clearance µm

Equations and sourcesModels and sources
Bolted joint

Which bolt works hardest, and how does the hole fail?

Each bolt bears on its hole, and the laminate can crush ahead of a bolt, break across a row or shear out to its end.

Choose a pattern on the left, then select Run test.