Broken bird bath....Concrete adhesive?

Hi all
My wife has a 2 pc bird bath (pedestal base and tray) made from what looks to be cast concrete. The base has a section which has broken off - approximately 1/3. The break formed a straight line across the base.
I am not aware of any glue, etc which is made for concrete. I think I can drill a hole thru the broken piece and into the pedestal. Then insert a expansion faster, and use a screw/bolt to fasten the broken piece to the base. I've got some masonary sealer (for cracks) that I could apply to the broken section to use as "padding" during the tightening of the fastener.
The got'cha being that if I crack the broken section while drilling or tightening the fastener, its broke for good. Is there any adhesive that I could use for such a repair?
Any suggestions?
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Tile adhesive or liquid nail will work

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Get JB Weld. Don't get the quick setting, get the regular kind. At any hardware or auto supply place.
Charlie

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.

They have it at the hardware store. Never used it so I don't know how good it is. You can also buy polyurethane construction adhesive.
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I'd be a bit worried about poisoning the birds with the wrong glue.

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-snip-

I used "landscape block adhesive?" to glue the top row of blocks on my 2-foot retaining wall. It has held for 3 NY winters with people walking all over them, so I'm a believer in that stuff.
I think I've seen an 'exterior grade' construction adhesive, too. Read some labels.
Jim
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Jim Laumann wrote:

There is epoxy which is specially formulated for concrete. Available at any masonry supply (not HD or Lowes). The brand that I use to fill voids in concrete to adhere to structural engineering requirements is made by Sika.
Look at these:
http://www.askthebuilder.com/B119_Concrete_Epoxy_Masonry_Epoxy_Repair.shtml
http://www.sikaconstruction.com/con-prod-app-crir.htm
They have an epoxy that is a two part epoxy in a single caulk tube which would work well for you. Read the first link and look in the yellow pages for the place in your area that carries what you need.
--
Robert Allison
Rimshot, Inc.
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