RE: NPP containment strength

["Jacobus, John (OD/ORS)" <jacobusj@ors.od.nih.gov>]

What about thermal strength, e.g., exposure to temperatures of 1500 degrees

F for 1 hour while structure is under compression?



-- John 

John Jacobus, MS

Certified Health Physicist 

3050 Traymore Lane

Bowie, MD  20715-2024



E-mail:  jenday1@email.msn.com (H)      



-----Original Message-----

From: Keith Welch [mailto:welch@jlab.org]

Sent: Thursday, September 13, 2001 12:06 PM

To: radsafe@list.vanderbilt.edu

Subject: Re: NPP containment strength



I remember seein an interesting set of photos (but can't remember the

publication - Nuclear News, maybe) of a test of containment strength.  A

large block of containment-type concrete was used as a target for a jet

crash.  If I remember, something resembling a

fighter jet was "launched" along a track under jet power and slammed into

the block at very high speed.  The jet disentigrated, and the block was

barely scratched.  This is obviously not a thorough test of a complete

structure, but it confirms the capability

of the structural material.

. . .

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