RCC Beam Design Calculator – IS 456

📐 Beam Geometry & Loading

Beam Width (b)

Overall Depth (D)

Clear Cover

Bar Diameter (main)

Factored Moment (Mu)

kN·m

Factored Shear (Vu)

🧱 Material Properties

Grade of Concrete

Grade of Steel

Beam Support Condition

📊 Design Results

Effective Depth & Capacity

Eff. Depth (d)

—

Moment Capacity (Mu,lim)
—
kN·m

x/d (Neutral Axis)

—

ratio

xu,max / d

—

IS 456

Steel Reinforcement

Ast Required
—
mm²

No. of Bars

—

nos

Ast Provided

—

mm²

Pt (% Steel)

—

Shear Design

τv (Nominal)

—

N/mm²

τc (Concrete)

—

N/mm²

Stirrup Spacing
—
mm c/c

Stirrup Dia

—

mm (2-leg)

IS 456 Checks

Check	Required	Provided	Status

* Calculations based on IS 456:2000, Limit State Method. Provide stirrups even if shear is within limit (min. 8mm @300mm c/c).

📏 Cross-Section Diagram