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Re: Wedge Anchors vs. Epoxy Rods[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaoc(--nospam--at)seaoc.org
- Subject: Re: Wedge Anchors vs. Epoxy Rods
- From: Parkerres(--nospam--at)AOL.COM
- Date: Fri, 6 Feb 1998 10:38:03 EST
We are strong proponents of epoxy anchors for sill plates as well. Particularly in edge of slab or stem wall conditions, I worry the wedge anchors will blow out the side of the concrete. I also don't like the fact that the wedge anchors are always actively loading the concrete. I like the passivity of the epoxy anchors. Lastly, the anchors are typically drilled at 1/8" larger diameter than the bolt through an in-place sill plate, meaning that the hole in the sill plate is greater than the 1/16" oversize allowed for bolts in wood. With the wedge anchor that gap stays there. With the epoxy anchor being installled through the plate the epoxy not only fills the hole in the conrete, but also fills in around the bolt in the sill plate making for a tighter fit and a better shear connection. That's my vote. Bruce Resnick, SE Parker Resnick Str. Eng.
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