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ASCE 7 Wind Method 1 & Method 2

ASCE 7 Wind Method 1 & Method 2

ASCE 7 Wind Method 1 & Method 2

(OP)
In ASCE 7-02 (or 05), is it permissible to always use Method 2 no matter what the building height?  Method 2 tables/figures say all building heights so I have always assumed that it is permissible.

For large metal building (low slope roof, h/L low), Method 2 results in significantly smaller uplift reaction to interior columns since C_p factor lowers as you move horizontally from the windward wall.

RE: ASCE 7 Wind Method 1 & Method 2

Method 1 applies to regular-shaped buildings, etc. (6.4.1.1, et al). What if you've got a low-rise, but it's not a regularly-shaped building? Easy: use method 2. I run into this problem a lot. The customer starts with a large, regular building, then they start adding or subtracting and I've got a bunch of re-entrant corners and use Method 2.

RE: ASCE 7 Wind Method 1 & Method 2

Yes.  Method 2 is usable on essentially all.

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