Design deep beams (ln/d < 4) using strut-and-tie models per ACI 318-19 Appendix A. Use for transfer beams, pile caps, or beams with span-to-depth ratio < 4. Compliant with ACI 318-19 §23. Free to use. SI and Imperial units supported. No signup required.
This calculation is for preliminary design verification only. All results must be independently verified by a licensed professional engineer before use in construction documents.