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Torsion Design Calculator

Design torsion reinforcement for RC spandrel & edge beams with threshold check and combined shear + torsion stirrups

ACI 318-19 §22.7DPT 1008-61Shear + Torsion Combined
Calculation results are decision-support tools. The design engineer must review and verify all results independently.

Scenario Presets

Geometry

Factored Forces

Use factored values (e.g. 1.2D + 1.6L). Tu is the factored torsion at the critical section.

Materials

Design Code

Fill in the form on the left and click Calculate to see torsion design results