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001813
2025-01-28

Mode 2 Bolt Failure Flange Yielding

The resistance of the equivalent T-stub are evaluated separately for the end plate and the column flange. The resistances are calculated for three possible modes of failure. The resistance is taken as the minimum of the values for the three modes.
Here is the Mode 2 Bolt Failure Flange Yielding of BS EN 1993-1-8.

For a single bolt:Ft,Rd=k2 fub AsγM0, k2=0.9.  Ft,Rd=0.9·800·3531.25=203·103 NFor two bolts in the row ∑Ft,Rd=2·203·103=406·103 N.FT,2,Rd=2Mpl,2,Rd+n ∑Ft,Rdm+n; FT,2,Rd=2·6490+41.8·406·10333.4+41.8=398 kN.
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