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Berechnungsgrundlage
Assumptions & Limits
- Die Seite unterstuetzt die Vorpruefung, ersetzt aber keine vollstaendige Normenpruefung.
- Zulaessige Grenzwerte bleiben projektspezifisch und muessen separat festgelegt werden.
- Die Eingabedaten fuer E, I und Lasten muessen zum realen Bauteil passen.
Reference Basis
- Dokumentation: Methodik
- Dokumentation: Technische Pruefung
- Roark's Formulas for Stress and Strain
- Mechanics of Materials Referenzen
- Eurocode 5 timber reference
Validation Examples
Diese Kontrollfaelle zeigen, wie zentrale Seiten gegen bekannte elastische Balken-Benchmarks oder symmetrische Referenzfaelle gelesen werden koennen.
Timber serviceability benchmark
Case setup
L = 4.8 m, w = 2.4 kN/m, E = 11 GPa, I = 7119 cm^4
Validated metric
Maximale Durchbiegung
Reference
Referenzwert: 21,18 mm
Calculator
Rechnerwert: 21,18 mm
Check
Abweichung: 0,00%
Benchmark: geschlossene UDL-Einfeldformel
Eurocode-5 Timber-Setup
| Material basis | Typical C24 timber stiffness level |
| Common use | Floors, joists, rafters, and light roof beams |
| Typical first check | Serviceability deflection under full-span load |
| Current preset section | 75 x 225 mm style timber member |
| Useful follow-up | Compare with project-specific deflection limit |
| Current preset | 4.8 m timber beam under 2.4 kN/m |
Technische Hinweise
- This page is intended for Eurocode 5 style preliminary timber beam checks, especially when the first design question is whether serviceability is in range before deeper material and creep adjustments are applied.
- For timber beams, long-term behavior matters more than for steel, so instantaneous elastic output should be treated as the first layer rather than the full answer.
- Once the rough beam size is known, continue with the timber span page or compare the response against your governing deflection criterion.
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