why it is horizontal diaphragm to pick up the wind load first instead of shear wall?

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Li Xing

October 25, 2018 08:57

this is a question related to the lateral load study in a single story building.

 

In the structure book, it says the horizontal diaphragm(like roof) to pick up the wind load first instead of shear wall. I wonder if anyone know the reason?

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  Theodore Diamond October 25, 2018 12:06

  The horizontal diaphragm is acting like a beam and the wind is acting like a load.  Shear walls in a single story building are not typically as deep as the roof, so they carry less.

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