Timber Deck to Steel Beam Top Flange Nailer
Timber Deck to Steel Beam Top Flange Nailer
(OP)
What has been your experience fastening heavy timber decking to double 2x6 nailers? 3" heavy timber T&G decking has a fastening pattern required by AITC 112-93 as one 60d face nail per timber plank support and a 40d toe nail per plank at the support. If the double nailers are SYP No.2 2x6's atop the steel beam top flange, bolted to the top flange, have you guys had any difficulty with splitting of the 2x6 nailers when fastening the heavy timber decking? The decking must be in a mixture of simple and two span continuous layup (due to architectural constraints) and can not be random layup. I am pre-drilling the holes thru the timber decking.






RE: Timber Deck to Steel Beam Top Flange Nailer
Beyond that, I would worry about splitting if all the nails will be located along a straight line. I would try to stagger them side to side, across the width of the 2x6 nailers.
RE: Timber Deck to Steel Beam Top Flange Nailer
1. Cut or grind the points off every nail. A blunt nail will cut its way thru wood instead of acting like a wedge to split it. Withdrawal resistance is reduced... but may?? be an acceptable compromise.
2. Use 2x6s of a (less dense) wood species that is not as likely to split.
For "General Observations of the Nailing of Wood" see:
htt
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RE: Timber Deck to Steel Beam Top Flange Nailer
Does this sound like what you guys have done before?
RE: Timber Deck to Steel Beam Top Flange Nailer
Mike McCann
MMC Engineering
RE: Timber Deck to Steel Beam Top Flange Nailer