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Re: Perform A Chain Drag Study?

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The drag chain study is a way to find out delamination secitons of the
topoing slab over possibly concrete planks???  This is rather a quick way
to evaluate and map areas of delamination on concrete toppoing slab that
could be a result of vibration or bad concrete bond.  Hope this helps.
Samir Ghosn,P.E.
Harris &Associates
At 10:27 AM 2/6/2001 -0500, you wrote:
>        Anybody know waht that is, how you do it, limiting criteria, etc? 
>Thank you,   Keith Hyndman 
>Exton, PA