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Replacement for rebar? Stuart 06-16-2007
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Posted by Stuart on June 16, 2007, 12:32 pm
Do they make any rebar replacement that is lighter preferably composite or
non-metallic but as strong?
Stuart//



Posted by RicodJour on June 16, 2007, 1:33 pm
> Do they make any rebar replacement that is lighter preferably composite or
> non-metallic but as strong?

Let's start at the beginning. What are you trying to do?

R


Posted by Bobk207 on June 16, 2007, 4:17 pm

OP-

Here's your answers.........

>>>Do they make any rebar replacement that is lighter (than steel, I assume you
mean?) preferably composite?

Yes

>>>or non-metallic<<<<

Yes

>>>but as strong? <<< (based on cross sectional area? example #4
rebar replaced by #4 magic stuff)

Yes, probably


http://www.ecn.purdue.edu/ECT/Civil/frprebar.htm

http://www.fiberglassrebar.com/

http://livebuilding.queensu.ca/structural/rebar/frp.php


I'm not sure these answers are really all that useful for
you.........what are you trying to accomplish?


cheers
Bob


Posted by REMOVE on June 18, 2007, 9:53 am
wrote:

>Do they make any rebar replacement that is lighter preferably composite or
>non-metallic but as strong?
>Stuart//
>
A friend of mine set up a pultruding outfit and make fiberglass rebar.
Drawback was the cost was prohibitive.

Posted by aaron on June 20, 2007, 8:57 am
Stuart wrote:
> Do they make any rebar replacement that is lighter preferably composite or
> non-metallic but as strong?
> Stuart//


the problem with frp concrete reinforcement is it's lack of ductility,
this might be important, depends on what you are doing.

i have seen people doing research on using bamboo as concrete
reinforcement. I haven't seen the results of these studies.

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