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Reinforcing Inserts at Construction Joint

Reinforcing Inserts at Construction Joint

Reinforcing Inserts at Construction Joint

(OP)
I am designing a concrete slab that will stop short of a complete slab pour due to construction constraints.  I am looking for a tube/pipe insert to embed at the edge of the pour.  I would like to insert dowels into the tube/pipe when the remainder of the slab is to be poured.  I am tryign to avoid casting the dowels in the first pour to avoid them sticking out until the rest of the slab is poured.  Does anybody make such an item?  Should I just go with a pipe that fits the dowel?

RE: Reinforcing Inserts at Construction Joint

Do these need to achieve full tensin or just shear. I think the above two are just for shear dowels.

There is a lenton grout tube that gives a full strength tension splice.

http://www.erico.com/products/InterLock.asp

csd

RE: Reinforcing Inserts at Construction Joint

i've seen the inserts before...not sure what they're called...but they do exist. the ones i saw create the slip joint at the pour back strips for tilt panel warehouses.

RE: Reinforcing Inserts at Construction Joint

Ancon shear connectors are available in the UK, Australia and elsewhere and do what you describe.
http://www.ancon.co.uk/main.asp?pageID=122

If you don't want a movement joint, cast in threaded inserts (ferrules) and screw in rebar with a threaded end when required.

RE: Reinforcing Inserts at Construction Joint

Try Diamond Dowels from PNA Construction Technologies.  www.pna-inc.com

These are for shear transfer, not tension or moment.

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