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Re: Wind Loading on Existing Structures[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Wind Loading on Existing Structures
- From: "Mark Webster" <markdwebster(--nospam--at)hotmail.com>
- Date: Mon, 02 Oct 2000 13:02:13 GMT
Check out the Canadian National Building Code, Commentary K, which suggests reduced design loads for existing buildings. The reductions are dependent upon the risk category, past performance, and system behavior.
Mark D. Webster Simpson Gumpertz & Heger 297 Broadway Arlington, MA 02474 781-643-2000 mdwebster(--nospam--at)sgh.com www.sgh.com
From: "T. Eric Gillham PE" <gk2(--nospam--at)kuentos.guam.net> Reply-To: seaint(--nospam--at)seaint.org To: "seaoc list" <seaint(--nospam--at)seaint.org> Subject: Wind Loading on Existing Structures Date: Fri, 29 Sep 2000 10:29:25 +1000 Listserver Members: Does anyone on the list have any experience with Code required wind loading on existing structures? In particular, I am interested in knowing if there are any codes that promulgate a lesser wind loading requirement on existing structures, as compared to new structures, along the lines of NEHRP, ATC or other codes with regard to seismic. Currently, I have a project that involves a 30+ year old metal warehouse structure that is being checked for code compliance for our 155mph design wind speed. This structure has been through 4 major typhoons with recorded wind speeds exceeding 155mph sustained. Based upon this, and the current condition of the structure (it has weathered the years, no pun intended, quite well with minimal if any signs of corrosion), it would appear that MAJOR retrofitting would be overkill, although there are some areas that need to be addressed regardless of what requirements I adhere to. Any suggestions would be welcome. T. Eric R. Gillham PE PO Box 3207 Agana Guam 96932 Ph: (671) 477-9224 Fax: (671) 477-3456 Pgr: 720-8891 gk2(--nospam--at)kuentos.guam.net
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