Deep Beam Design
Deep Beam Design
(OP)
Does anyone know of an alternate to using the Strut and Tie model for deep beams?
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RE: Deep Beam Design
There was a post a week or two ago in this forum regarding strut and tie. Look it up- it has several good resources.
RE: Deep Beam Design
RE: Deep Beam Design
Generally speaking the Whitney stress block and linear stress strain are not valide for deep beams. You can follow ACI references and with proper detailing achieve the necessary results. Key areas are the achorage zones for reinforcing into the walls or columns that frame/support the deep beam. Otherwise the majority of the reinforcing is similar to that of a retaining wall stem. You will find that you won't get bundles of reinforcing in the tension areas of a deep beam as you might expect for a conventional beam.
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RE: Deep Beam Design
Dik
RE: Deep Beam Design
We used to treat the deep beams as regulars but to add more facial bars (Horiz & vert), and use the minimum for the flexural as permitted by the earlier ACI. I think that old designs worked, never get a call complaints about it. But, I think the strut & tie method would save some steel, and make the design more enjoyable (for creative engineers).
RE: Deep Beam Design
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