All thread rod as rebar

[yanmars]

At a work project they were going to put several hundred feet of all thread rod in the dumpster as the job was complete. Most is in 12 foot long sticks. Most 1/2 inch, some 3/8s. I have no near future use for it but have a concrete project coming up. Can I use it instead of rebar for the concrete?

 

[jaxs]

I'd use it. Make that I'd use any I couldn't sell.

 

[MossRoad]

I can bend 3/8 rebar across my knee up to about 180 degrees. Not sure I could do that with all thread. Never tried.

The two have different compositions. Not sure if that affects strength, or if it matters. I'd guess if you tried to bend all thread too tight, it would snap like a bolt.

But I'd be tempted to use it if it was free.

 

[bdhsfz6]

It would depend on how the concrete will be stressed. Threaded rod would work ok for a slab but I'd advise against using it in a situation where the concrete isn't supported underneath.

Concrete won't grip the relatively small threads as well as it does to the lugs on rebar. Also, that threaded rod may not have the same tensile strength as rebar.

 

[LouNY]

I wouldn't hesitate to use the all thread especially at the price, if worried just use a bit more

 

[rgr33]

I’ve used a lot of different things in place of rebar, in order to cut costs. All thread rod would definitely be acceptable for most of my projects The one exception is the barn floor, too much heavy equipment to chance it.

over 30 years living here, and no issues so far.

 

[Ortimber]

I wouldn’t hesitate to use all thread in concrete. People have been using things like chicken wire, hog panels, etc for years with seemingly little I’ll effects. Go for it!

 

[mrmikey]

I'd use it especially for free, as was said, use more if you'll feel better

 

[David Wayne]

I would try to sell it and buy rebar if I could come out money ahead.

David

 

[California]

You could improve the grip of the concrete by threading some bolts nuts! onto each rod.

Or weld the intersections, after placing it in a grid pattern.

This is if you are using it simply to prevent cracks in a floor.

As noted above, structural concrete - columns, beams, arches etc, should probably use real rebar.

 

[Thomas]

Yup...I seen where person used dual sets of old tire chains.

 

[California]

Yup...I seen where person used dual sets of old tire chains.

... or a stretch of old ornamental wrought iron fence.

 

[Streetcar]

Do you know the strength of the all thread. Old rebar was smooth, 80 years ago.
If strength of all thread is 60 to 80 ksi use it as you would rebar. If strength is lower use more all thread
reinforcement is used based on its material strength

 

[Hughman]

I was pouring a foundation for a carport once and added about 30+ old computer hard drives that had been accumulating in a box. Should make for an interesting find for the poor soul the busts it up in the future.

 

[Sprinkler Fitter]

You could improve the grip of the concrete by threading some bolts onto each rod.

Or weld the intersections, after placing it in a grid pattern.

This is if you are using it simply to prevent cracks in a floor.

As noted above, structural concrete - columns, beams, arches etc, should probably use real rebar.

How do you thread bolts onto threaded rod? With a rod coupling?

 

[bdhsfz6]

How do you thread bolts onto threaded rod? With a rod coupling?

I think he meant nuts, not bolts.

 

[LouNY]

How do you thread bolts onto threaded rod? With a rod coupling?

A blue tip wrench

 

[California]

How do you thread bolts onto threaded rod? With a rod coupling?

Bah. Blame it on long Covid! I went back and corrected the post. Thread Nuts onto the rod! If you have lots of patience.

Maybe spin the rod with a drill, horizontally, and hold several nuts along the floor with vise-grips, to run the nuts down to where they are evenly spaced. Or something.

 

[yanmars]

I should have been more specific. This is for a slab pour that will be inside and really have nothing heavy on it.

 

[buckeyefarmer]

I would. They have fiberglass rebar now.