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Re: Pins Supporting Rebar

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Rich,
I always reject it for the reasons you stated, plus my
specs always state chairs or blocks.
Gary

On 19 Aug 2005 at 9:54, Rich Lewis wrote:

> I have a question regarding rebar support in foundation construction. 
> It is very common in the area I work to drive #3 bars into the ground
> and tie rebar up on the pins instead of on chairs or blocks.  This
> occurs primarily in grade beams and column footings.  My gut feeling
> is to reject this.  I was wondering if there have been any studies
> done on the affects of this regarding rebar corrosion.  Is it possible
> the pins create a path for moisture to eventually penetrate and
> corrode the foundation reinforcement, or am I over reacting to this? 
> Is this common in other areas of the country?
> 
> 
> 
> 
> 
> Thanks.
> 
> 
> 
> Rich
> 
> 
> 
> 



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