Need a book? Engineering books recommendations...

Return to index: [Subject] [Thread] [Date] [Author]

Re: Fw: Pergola Wind loading

[Subject Prev][Subject Next][Thread Prev][Thread Next]
Don't forget uplift.
Wind stuff is either in ASCE 7-05 or ASCE 7-10. ASCE 7-10 wind chapters have been expanded. There's also the SEAW commentary on wind code provisions - volumes 1 and 2.

Usually there's no accounting for shielding.


On 10/3/2012 3:02 PM, Valerie Eskelsen wrote:

I am investigating the loadings on a "shade" pergola.
There is to be 2x4 HDPE rafters @ 7" o.c. for three spans (6'8"x3) with an aluminum frame 12'x20'.
Top of columns are 12'.

90MPH, B ... gives me 15.2 psf fascia windward and 10.1 psf fascia leeward. What about the other (18) 2x4 between the first = windward and last =

It seems like there should be some contribution from the others, but not

Any reference material I can consult?

Once upon a time, did some wind tunnel testing on a car body, and those
vents on the back of a car really do cut down the wind resistance
experienced ... but, I don't have numbers to justify for a building.


Post your message to the list by sending it to: SEAINT-SEAOSC(--nospam--at)

The email messages sent to the list will be saved in an archive on the World Wide Web.
These archives are located at:

To contact the list owner, send your message to:

5360 Workman Mill Road, Whittier, CA 90601
To unsubscribe, switch to/from digest, get on/off vacation, or change your email address, click here.