ASCE 7-05 "Least Horizontal Dimension"
ASCE 7-05 "Least Horizontal Dimension"
(OP)
The ASCE 7 defines edge and corner zones "a" as 10% of the least horizontal dimension or 0.4h, whichever is smaller...
How do you all define "least horizontal dimension" when the building isn't a box, but irregular with several different wings or roof sections. I typically take the least horizontal dimension of the particular section of roof in question, but is that the correct approach? Your thoughts? Thanks.
How do you all define "least horizontal dimension" when the building isn't a box, but irregular with several different wings or roof sections. I typically take the least horizontal dimension of the particular section of roof in question, but is that the correct approach? Your thoughts? Thanks.





RE: ASCE 7-05 "Least Horizontal Dimension"
RE: ASCE 7-05 "Least Horizontal Dimension"
This can be difficult to do as we engineers don't have any intuitive sense of how wind actually behaves but using a general box dimension of the overall building (and ignoring the little wing widths) would be conservative as it would maximize the "a" distance where the higher corner forces occur.
RE: ASCE 7-05 "Least Horizontal Dimension"