In a message dated 99-07-09 15:18:57 EDT, K0HB@ARRL.ORG writes:
> > I take it you're trying to use an existing base for a new tower -
> > that's a good idea. A new hole is the best idea but with good
engineering
> you
> > can adapt the existing one. Instead of welding the new plate to the
> existing
> > stubs, I'd rather see the stubs cut right at the top of the concrete.
Then
> > you can drill new holes in the concrete and use epoxy to install new
> anchor
> > bolts.
>
> Never did epoxy in concrete. Where do you get it -- is it strong enuf?
Yessireebob. It's a common commercial technique. Grab the yellow pages
and start making some phone calls. The suppliers will tell you what you need.
>
> > If you're going to expand the anchor, you'll need to attach the
> existing
> > concrete to the new stuff. Use your rented concrete drill to drill some
> hole
> > that you'll epoxy rebar into the new pour.
>
> My current block is more than adequate to hold the Wilson -- any
> reason I ought to overlay more concrete with your "drill/epoxy"
> scheme?
If it's more than adequate already - why bother?
Cheers, Steve K7LXC
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