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magnizzy
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Join Date: May 2013
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Fibre Glass

05/31/2013 7:51 AM

What are the disadvantages is using fibre glass as a replacement of steel in reinforcement.
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Pathfinder Tags: Civil fibre glass
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JPool
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#1

Re: Fibre Glass.

05/31/2013 8:16 AM

Reinforcement for what? Concrete?

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JPool
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#2

Re: Fibre Glass

05/31/2013 8:51 AM

If you are asking about reinforcing concrete, fiberglass or fibermesh as it's called is not nearly as strong as steel rebar or mesh. It does not protect concrete from shrinkage and thermal expansion like steel. It doesn't hold cracks together as well as steel. It is harder to finish (personal experiance) and costs more.

It is best used with steel reinforcement not instead of it.

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cuba_pete
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#3

Re: Fibre Glass

05/31/2013 11:11 AM

mainly...it's weaker...isotropically speaking.
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passingtongreen
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#4

Re: Fibre Glass

05/31/2013 5:17 PM

Its Modulus of Elasticity is only about one tenth that of steel which wouldn't make it much of a reinforcing for concrete.

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Randy Conner
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#5

Re: Fibre Glass

06/11/2013 10:11 AM

fyi e.g. http://www.onepetro.org/mslib/servlet/onepetropreview?id=NACE-07534 (while probably not the perception, not all "fibre glass" is necessarily corrosion resistant in concrete)
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