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Re: Shear Strength of Rivets

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Bill, there were actually two kinds of hollow clay tiles. One is considered
structural and can be retrofit. The tile with wall thickness less than about
1/4" is non-structural clay. Structural clay tile has a wall thickness
around 1/2" or more. This is approximate since I came upon a couple of these
buildings - one in Arcadia and another in Venice. Both were considered
structural clay tiles.
Dennis Wish PE

-----Original Message-----
From: Bill Cain, S.E. <bcain(--nospam--at)>
To: seaoc(--nospam--at) <seaoc(--nospam--at)>
Date: Friday, January 09, 1998 4:38 PM
Subject: Shear Strength of Rivets

>I'm evaluating a 1925 industrial type building (formerly a large water
>pumping plant) for a change in occupancy.  The structure has reinforced
>concrete walls (long direction), unreinforced Hollow Clay Tile end walls (I
>know, the HCT has got to go!) with riveted steel roof trusses and lateral
>Does anyone have a range of values for the shear strength (single shear)
>for 3/4" diameter rivets that might have been used in that era?  The oldest
>information I have is from the '50's with ranges from 17.5 to 22 ksi
>allowable shear strength.