Steel Tools

Quick steel frame pre-sizing (S235, simplified Eurocode 3). Free, bilingual, built for Africa.

⚠️ Indicative results for sketching and budgeting. They do not replace a structural engineering study (wind/seismic loads, connections, local codes).

Purlin sizing (IPE)

Span between trusses (m)

Purlin spacing (m)

Dead loads G (kg/m²)

covering + insulation (sheet ~15, tile ~50)

Live loads Q (kg/m²)

maintenance/wind/dust (~60-100)

Recommended profile

IPE 100

8.1 kg/m

Moment MEd4.33 kNm

Required modulus18.41 cm³ (Wel 34.2)

Utilization54%

Deflection (limit L/200)13.66 / 20 mm