There was a brief discussion on the list about the subject late last year.
Also the book wind loading of structures by John Holmes also has a brief
discussion on the subject. But for the most part it is a matter of
judgement, based on the coefficients for roofs in the loading code, and drag
coefficients for flat plates.
Regards
Conrad Harrison
B.Tech (mfg & mech), MIIE, gradTIEAust
mailto:sch.tectonic@bigpond.com
Adelaide
South Australia
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