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RE: bullet-proof glass anchorage

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As noted, the ballistic-resistant (BR) requirement itself does not imply 
blast resistance.  If there is no blast requirement in the Spec, then that 
is not a problem.  If there is, a blast consultant should be providing 
minimum requirements for the frame and anchorage reactions because BR glass 
 can develop large reactions under blast. BR requirements will not 
introduce specific or large glazing reactions, so design to code. I would 
ask your client if the 1/8-inch aluminum frame is required to meet the BR 
spec (it won't).

Feel free to email me off-list with any specific questions.

Regards,
Larry
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Larry M. Bryant, PhD                           Principal Engineer
Applied Research Associates, Inc.          email: lbryant(--nospam--at)ara.com
Atlanta, GA office:
290 Nicklaus Circle                         Phone: (678) 342-5471
Social Circle, GA 30025
Southern Division Office:
119 Monument Place                          Phone: (601) 638-5401
Vicksburg, MS 39180                           Fax: (601) 634-0631
www.ara.com
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-----Original Message-----
From: seaint-seaosc(--nospam--at)mail-list.com [mailto:seaint-seaosc(--nospam--at)mail-list.com] On 
Behalf Of David Topete Sent: Wednesday, May 22, 2013 4:50 PM
To: seaint-seaosc(--nospam--at)mail-list.com
Subject: [SEAINT-SEAOSC] bullet-proof glass anchorage

Greetings all,

When looking to anchor a bulletproof glass panel, the aluminum frame itself 
 is 1/8" thick 6063.  But, should I be looking to design the anchorage for 
the code standard 5 psf incidental lateral pressure?  It's intended to 
"stop" a bullet, but I shouldn't be designing for a 1 psi blast force 
pressure, right?

--
David Topete, SE

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