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Resistance to uplift by Rectangular Grade Beam
Thanks to all of you for your helpful ideas. The uplift is due to 120 mph 3 sec gust winds. It is a steel mill building composed of rigid frames and the Manuf.'s Engr. has calculated 46.3 k uplift for one reaction and 38.6 k for the other, based on this wind. Reactions due to loads and Seismic...- LJB7131
- Post #8
- Forum: Foundation engineering
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Resistance to uplift by Rectangular Grade Beam
I am faced with designing a rectangular grade beam, in fine to medium sand, to resist an uplift of 3500 #/ft (includes 1.5 safety factor). The soil is natural and has been found to have a bearing value of 2500 psf. How do I properly calculate the frictinal resistance of the concrete against...- LJB7131
- Thread
- Replies: 11
- Forum: Foundation engineering
