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Re: Lighting damage to concrete foundation

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Thanks!  If I can get the potential client to hire me,
I'll spring for the book/article and post my findings.

Jim

--- "S. Gordin" <mailbox(--nospam--at)sgeconsulting.com> wrote:

> http://www.pubs.asce.org/WWWdisplay.cgi?8400790
>   -----Original Message-----
>   From: Jim Wilson
> [mailto:wilsonengineers(--nospam--at)yahoo.com] 
>   Sent: Monday, August 22, 2005 9:31 AM
>   To: seaint(--nospam--at)seaint.org
>   Subject: Lighting damage to concrete foundation
> 
>   I had a call from a residential client with a
> house
>   struck by lightning.  She claimed that the
> lightning
>   entered the house through a septic line and blew
> the
>   interior foam insulation off the inside wall of
> the
>   poured concrete foundation.  The lightning then
>   traveled through the foundation and blew the
>   insulation off of a couple of other areas.
> 
>   I've never heard of such a thing but it got me
>   wondering if lightning can damage either the
> chemical
>   structure of cured concrete or if it can damage
> the
>   reinforcing steel.  Supposedly, there is some
> cracking
>   in these areas, but no one's sure if it is new or
> not.
>    I couldn't take a stab at that assessment until I
> had
>   a look at it.
> 
>   Any thoughts?  It sounds liks the insurance
> company is
>   waiting for a professional opinion of how much
>   investigation is required to assess the problem.
> 
>   Jim Wilson, P.E.
>   Stroudsburg, PA
> 
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