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Re: Non destructive testing

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I think impact echo technique may help you


David Hall wrote:

> Does anyone know of a non-destructive method to determine if grout has been placed in voids of a recently constructed small masonry building.
> We suspect shenanigans in Texas.
> Thank you.
> David A. Hall, S.E., P.E.
> Senior Structural Engineer
> David Evans and Associates, Inc.
> 2828 SW Corbett Ave
> Portland, OR 97201
> 503-499-0280
> Fax 503-223-2701
> E-Mail dahl(--nospam--at)