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P.T. (post-tensioned) foundations are common on expansive soils. A structural engineer in your area could be a start.

Well, we've never had to go over 70mph.

70 mph sounds like fastest wind speed. I believe most jurisdictions use 3-second gust.

I looked at the site and the wind speeds are per ASCE (3-second) ...

Author	Message
Topic: load bearing structure on black cotton soil
capecod Replies: 4 Views: 9528	Forum: New Structure Forum Posted: Thu Jul 31, 2008 11:57 pm Subject: load bearing structure on black cotton soil
capecod Replies: 4 Views: 9528	P.T. (post-tensioned) foundations are common on expansive soils. A structural engineer in your area could be a start.
Topic: Wind Speed by Zip
capecod Replies: 7 Views: 4345	Forum: Architecture Forum Posted: Wed Jul 30, 2008 9:16 pm Subject: Wind Speed by Zip
capecod Replies: 7 Views: 4345	Well, we've never had to go over 70mph. 70 mph sounds like fastest wind speed. I believe most jurisdictions use 3-second gust. I looked at the site and the wind speeds are per ASCE (3-second) ...