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Flexural Capacity — Rectangular Section
Flexural Capacity — Rectangular Section
Singly and doubly reinforced concrete beams. Design moment capacity φM
n
per ACI 318-19.
ACI 318-19 §22.2
Singly & Doubly Reinforced
US & SI Units
Input Parameters
US Customary (ksi, in)
SI Metric (MPa, mm)
Project Information
Project Name
Engineer
Checked By
Project No.
Date
Section Geometry & Materials
h — Total Depth (in)
bₐ — Web Width (in)
Aₛ — Tension Steel (in²)
v — Cover to Steel (in)
Clear cover to centroid of
tension steel
Fᵧ — Yield Strength (ksi)
F'c — Concrete Strength (ksi)
Compressive Reinforcement
— optional, doubly reinforced
d' — Depth to Comp. Steel (in)
A'ₛ — Comp. Steel Area (in²)
Set to 0 if no compressive steel
Enter parameters and click
Calculate
to see results