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How to hide precast connections

How to hide precast connections

How to hide precast connections

(OP)
Hi,

Does anybody know which is the best way to make precast wall-wall connections look nice in the precast parking garage?

Let's say two 8" precast concrete walls meet at 90 degrees.
I would like to connect two embed plates in the walls with 1/2" thick steel angle welded.
The simplest way is embed the plates at the flush face of precast concrete, and then weld and paint (ZRC) them later.
Another method is to recess around the embed plates and then patch them later.
If I use this method, what material and how deep recess should I use in order to avoid any crack happening later?
Or, isn't a kind of plastic cover in the market?

Thank you very much for your sharing!!!

RE: How to hide precast connections

try high concrete accessories for spandrel sleeves and covers (one side of the connection has a threaded loop embedded or Dayton superior to get some ideas. Use the PCI manual for connection examples. I've always liked NMB splices but they are more for vertically stacked walls.

RE: How to hide precast connections

Contact a local precaster in the area of the project to give you options for concealed connections.

RE: How to hide precast connections

The weak link in precast structures is invariably the connections. Precast parking garages seem to be particularly susceptible to failures of various types, but usually of connections. Therefore, the connections should be subject to regular inspection, and concealing them is a bad idea.

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