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Calculation Basis
Assumptions & Limits
- The page appuis preliminaire checks but does not replace full code compliance revue.
- Allowable limits remain project-specific et must be checked separately.
- Module d'elasticite, inertia, et loading entrees must match the real member.
Reference Basis
- Documentation: Methodology
- Documentation: Engineering Review
- Roark's Formulas for Stress and Strain
- Mechanics of Materiaux references
- Eurocode 5 timber reference
Exemples de validation
Ces cas de controle montrent comment les pages principales se comparent a des references elastiques classiques ou a des cas symetriques simples.
Reference de serviceabilite bois
Case setup
L = 4.8 m, w = 2.4 kN/m, E = 11 GPa, I = 7119 cm^4
Validated metric
Fleche maximale
Reference
Resultat de reference: 21,18 mm
Calculator
Resultat du calculateur: 21,18 mm
Check
Ecart: 0,00%
Reference: formule fermee pour charge uniforme sur une travee
Bois Portee Setup
| Main question | How far can a timber beam span before deflection becomes critical? |
| Actuel member basis | LVL-style stiffness example |
| Actuel poutre case | Simple span under UDL |
| Most sensitive entree | Span length drives deflection strongly |
| Useful companion | Eurocode 5 timber beam calculator |
| Actuel preset | 5.4 m timber beam under 2.8 kN/m |
Notes techniques
- Pour bois poutres, portee sensitivity is usually the first thing the designer feels in serviceabilite because fleche rises rapidly as portee increases.
- Use this page before the final member family is fixed, especially pour floors et roofs where visual comfort et finish sensitivity matter.
- Once a realistic portee is identified, compare the resultat avec the governing serviceabilite criterion et then move into the material-specific bois page if needed.
Pages associees