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  1. SouthFloridaPE

    ASCE7 Wind provisions and a 5:12 slope

    Hello, ASCE7 wind provisions have (for low-rise buildings) 3 ways to calculate wind pressures for MWFRS: Method 1 (if the building meets requirements) Method 2 for h<60ft Method 2 for all heights. Now for a 5:12 sloped roof (Theta=22.6 deg), all three methods give different lateral force...
  2. SouthFloridaPE

    Footings for overturning discussion

    Thanks for your opinions. Adding a beam above is what I'm doing (concrete beam, not wood though), which creates a frame capable of transferring moments. And this is one of the reasons why this condition creates concentrated uplift at the end columns. Now if I use a precast lintel, incapable of...
  3. SouthFloridaPE

    Footings for overturning discussion

    Imagine a 1-story rectangular home with a garage at the front. This is reinf. masonry with wood trusses. The only lateral resisting elements along the front are the two 24" wide masonry piers at ea. side of the garage door. Now the lateral force coming from the diaphragm is about 8000 lbs at 9...

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