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[SEAOC] RE: [SEAOC] Rw factors[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "seaoc(--nospam--at)power.net" <seaoc(--nospam--at)power.net>
- Subject: [SEAOC] RE: [SEAOC] Rw factors
- From: "Horning, Dick/CVO" <DHorning(--nospam--at)CH2M.com>
- Date: Fri, 8 Nov 1996 12:47:16 -0700
See UBC 1994 Paragraphs 1628.3.3 & 1628.3.4. Using the lowest Rw of the various systems is the procedure *required* by the Code. >---------- >From: MGFran(--nospam--at)aol.com[SMTP:MGFran(--nospam--at)aol.com] >Sent: Friday, November 08, 1996 10:38 AM >To: seaoc(--nospam--at)power.net >Subject: [SEAOC] Rw factors > >I would like to know what other engineers have been using for Rw with the >following conditions: Flexible diaphragms using plywood shear walls mixed >with steel frames on both residences and commercial structures. > >We have conservatively used the lowest value for Rw for all lateral force >resisting elements in the structure in the past, but it seems that one could >justify using an 8 for the plywood shear walls and a 6 for "Ordinary" steel >moment frames, for example, since the diaphragms are flexible and the shears >are distributed based upon tributary area. > >... > > ...
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