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RE: 1950's structural steel strength and rivet capacity

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For ASTM  A502-1 rivets in standard holes, double shear ….21k/rivet

For ASTM  A502-2 &3 “            “             “             “         “      …..26.5k/rivet


From: jerold taylor [mailto:jerold_taylor(--nospam--at)]
Sent: May 25, 2006 7:55 PM
To: seaint(--nospam--at)
Subject: 1950's structural steel strength and rivet capacity


I am evaluating a series of roof trusses at an industrial plant for the application of new equipment on the roof.


The building was built in 1950.  Was Fy = 36ksi typical during that decade, or should I assume a lower grade steel is probably what is in place?  The chords and diagonals are both back to back angles.


The connections are 7/8" diameter rivets.  Does anyone have any reference data on the shear capacity of rivets for that time period?  Each rivet should be in double shear at the connections.


Thank you



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