FRP Profile Calculator

Beam deflection & bending stress · Steel/aluminium → FRP equivalence

Input parameters

Material

Load type

Span (mm)

Load (kN/m)

Deflection limit (L/n)

Section shape

H (mm)

B (mm)

Web tw (mm)

Flange tf (mm)

Results

Material properties

E (GPa)

240

σ (MPa)

1.9

ρ (g/cm³)

Section properties

2292.7

Ix (cm⁴)

229.3

Wx (cm³)

7.22

kg/m

Bending stress

24.5 MPa

✓ Limit: 240 MPa (10%)

Deflection

10.0 mm

✓ L/300 (limit L/250)

Load summary

Max moment: 5.63 kNm

Total force: 15.0 kN

Reference: EN 13706-3, GB/T 31539-2015, ASTM D3917, ASCE pre-standard. Results are for preliminary sizing only — verify with detailed engineering calculations.