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Deep Beams

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ACI 318 section 11.7 describes a deep beam as any beam that is loaded within 2h of the end; and therefore Appendix A, strut-and-tie, is to be used. (Or a non-linear method)

So, that would mean that any beam with a moving load would have to be designed that way because the load will at some point be in that range.

Is there a minimum load for which the deep beam analysis becomes unnecessary?


Jerry D. Coombs, P.E.
Coombs Engineering Services