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Wood shear wall uplift load combinations
According to the ASCE, I think we need to apply the omega to discontinuous shearwall holddwons. Please tell me if I am wrong. I discuss this with some other PE's, most of them do not use overstrength factor to fator up the overturning momnent when designing shearwall holddwons. If the omega is...- patamd
- Post #4
- Forum: Wood design and engineering
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Wood shear wall uplift load combinations
When we design hold downs for wood shear walls, we use the load combination (0.6-0.14SDS)D+0.7pE (seismic) and 0.6D+W (wind) to calculate the uplift. In an other word, the formula we use are T=(Mot-(0.64-0.14SDS)Mr)/L (seismic) and T=(Mot-0.6Mr)/L. We got many projects approved using these...- patamd
- Thread
- Replies: 4
- Forum: Wood design and engineering
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dual system
I am designing a 3-story building with SMF in the front and SCBF in the other three sides. Interior columns are subjected to gravity load only. How can I set the dual system in the steel frame design preferences? I tried to use SMF under the code AISC360-05/IBC2006 without ignoring the seismic...- patamd
- Thread
- Replies: 2
- Forum: Computers and Structures: ETABS
