Section Family
IPE Caracteristiques de section Calculatrice
Start from an IPE-style rolled section layout to estimate section area, strong-axis inertia, weak-axis inertia, et self-weight before continuing into a poutre fleche check.
Entrees geometriques
Type de section
Plan de section
Aire de section0.0 mm²
Poids par metre0.00 kg/m
Caracteristiques techniques
Moment d'inertie (Ix)0.0 cm⁴
Moment d'inertie (Iy)0.0 cm⁴
Module de section (Wx)0.0 cm³
Module de section (Wy)0.0 cm³
Rayon de giration (ix)NaN mm
Rayon de giration (iy)NaN mm
Calculation Basis
Assumptions & Limits
- Geometrie is idealized without fillet radii, rolling tolerances, or local cut-outs.
- Weight per meter is based on standard acier density et should be treated as an ingenierie estimate.
- Pour real section tables, manufacturer or code values should still be checked against the entered dimensions.
Reference Basis
- Documentation: Methodology
- Documentation: Engineering Review
- Roark's Formulas for Stress and Strain
- Mechanics of Materiaux references
- Classical section-property references
Starter IPE Dimensions
| Depth H | 200 mm starter depth |
| Flange width B | 100 mm |
| Web thickness tw | 5.6 mm |
| Flange thickness tf | 8.5 mm |
| Best use | Strong-axis stiffness check |
How To Use This Page
- Keep the I-poutre preset when comparing rolled I-sections where flange et web dimensions are already known.
- The main design driver pour serviceabilite is usually strong-axis inertia Ix, so compare changes in depth first before adjusting web thickness.
- After the geometry is stable, move into the IPE poutre fleche page or the generic poutre solveur avec the chosen inertia value.
Key Formulas
- Area: A = 2 B tf + (H - 2 tf) tw. Gross acier area pour an idealized I-shape.
- Major-axis inertia: Ix = [B H^3 - (B - tw)(H - 2 tf)^3] / 12. Controls vertical poutre fleche in the usual strong-axis orientation.
- Section modulus: Wx = Ix / (H / 2). Useful when the same section is later checked pour bending stress.
Questions frequentes
- Is this page limited to exact catalog IPE sizes? No. It starts from an IPE-style geometry but remains editable, so it also works pour quick section-series comparisons before you lock the final catalog size.
- Which resultat matters most pour poutre fleche? Pour the usual major-axis poutre orientation, the governing resultat is usually Ix. Larger depth often changes Ix much more than small web-thickness adjustments.
- When should I leave this page et open a poutre calculatrice? Move to a poutre page once the section geometry is settled et the next question becomes portee, charge, appui condition, et actual fleche.
Pages associees