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RE: ASCE wind on parapets

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These are net pressures, so essentially 1.5*q is your worst case rocking the parapet onto the building and q is the worst case trying to topple it off the edge.



Gordon Goodell


From: Joe Goldbronn [mailto:jgoldbronn(--nospam--at)]
Sent: Monday, December 08, 2008 2:35 PM
To: seaint(--nospam--at)
Subject: ASCE wind on parapets


How are the wind forces on parapets to be applied to the MWFRS (section  Are you to apply both the +1.5*q windward and the -1.0*q leeward pressures onto the same parapet?  This would in essence create a 2.5*q total force on each parapet of a structure.  This seems to be a larger force than I would expect for the parapets which makes me wonder if I am interpreting the code correctly.


Joe Goldbronn, PE