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Steel connections using welds and bolts[Subject Prev][Subject Next][Thread Prev][Thread Next]
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- Subject: Steel connections using welds and bolts
- From: "Bill Sherman" <SHERMANWC(--nospam--at)cdm.com>
- Date: 24 Feb 98 19:27:26 -0500
When a beam is attached to a column with welds at the flanges and bolts at the web, are the web-bolts required to be slip-critical bolts or can they be bearing type bolts installed at snug-tight condition? Per AISC 9th edition, paragraph J1-10, bolts cannot "share stress" with welds unless they are installed as slip-critical bolts. However, in the examples on pages 4-100 thru 4-108 of the Steel Manual, non-slip critical bolts are designed for the web connection with the flange connection shown to be welded. Perhaps this "assumes" that there is no sharing of stress since the bolts carry shear and the welds carry tension/compression. However, bearing type bolts "assume" some movement to bring the bolts into bearing - so what prevents additional stresses in the welds when the connection tries to "move" to bring the bolts into bearing?
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