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TILTUP - Bowed Tilt up Panels[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaoc(--nospam--at)seaoc.org
- Subject: TILTUP - Bowed Tilt up Panels
- From: Roger Turk <73527.1356(--nospam--at)compuserve.com>
- Date: Fri, 24 Apr 1998 14:57:08 -0400
Stan, I looked at something similar several years ago, but the bow was in the order of 3 inches in a 30' high wall. The building was (if I recall correctly) more than 10 years old and bowing occurred on non-bearing as well as bearing walls, therefore eccentric loading on the ledger was not the cause. I finally attributed the bow to settling of the foundations with the tie to the infill floor slab strip causing the panel to bow outward. I believe that analysis showed no structural problem and my recommendation was to monitor for further movement. If you would like, I will go thru my files and get the actual particulars for you. A. Roger Turk, P.E.(Structural) Tucson, Arizona Stan Johnson wrote: . > In tilt up construction, what is the most likely . > cause for a bowed panel. I visited a site . > recently were a couple of the panels bow outward . > by about 1". The panels that are bowed are . > relatively lightly loaded and shows no cracking . > other obvious signs of distress. I believe the . > panels are 7.25" thick, with quite a bit of . > reinforcing and are about 42' tall with the roof . > attachment at about 38'. The panels are at least . > 6 months old. I do not know when the bowing was . > first noticed.
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