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旧 2009-09-09, 12:30 PM   #1
huangyhg
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默认 flexible vs. non-flexible wind structure

flexible vs. non-flexible wind structure
anyone know where i can find in asce how to calculate the natural frequency of a building for wind? (flexible vs. non-flexible.... 1 hz criteria) can i use 1 / the approximate building period from seismic section 12?
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