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Re: CMU Infills[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: CMU Infills
- From: Rod Tayong <rtayong(--nospam--at)yahoo.com>
- Date: Tue, 29 Jan 2008 06:59:34 -0800 (PST)
"Alex C. Nacionales" <anacionales(--nospam--at)insightts.net> wrote:
Designing the frames for forces that will be created due engaging the infill CMU "infill" walls will be expensive. Creating a space between CMU infill walls seems awkward. I wonder why a dangerous issue such as this was not taken care of by any structural code.Alex C. Nacionales----- Original Message -----From: Scott MaxwellSent: Saturday, January 26, 2008 6:38 AMSubject: RE: CMU InfillsI don't recall if there are actual code provisions, but there are certainly FEMA documents that discussion the issue of masonry infill walls in frames and how to retrofit or even design for them. If I recall correctly, the main thing to try to do is leave enough isolation room between the frame and the infill walls to allow the frame to deflect as "desired" without "engaging" the infill wall...OR design the frame for the types of forces that will be created due to "engaging" the infill walls.Regards,ScottAdrian, MI-----Original Message-----
From: Alex C. Nacionales [mailto:anacionales(--nospam--at)insightts.net]
Sent: Friday, January 25, 2008 5:02 PM
Subject: CMU InfillsDear Fellow Engineers,My RC design teacher has taught us has to ignore the effect of CMU infills on a RC frame because they will be crushed during a seismic event. Recent seminars I attended shows that cmu infills interferes with frame action thus attracting more shear. Is there any code provision regarding on how to treat cmu infills in relation with RC frames or steel frames?Your assistance will much appreciated. Thanks.Sincerely,Alex C. Nacionales.
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