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Timber Beam Calculator to EC5's banner
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Timber Beam Calculator to EC5

This calculator designs timber bending members, commonly referred to as rafters and joists, by ensuring the beam meets flexural, shear, bearing, deflection and vibration requirements. The calculator takes into account a notch at the support.
📝 This template has been written in accordance with:
  1. BS EN 1995-1-1 2004 A2 2014 Design of timber structures - General rules. This code is typically referred to as "Eurocode 5" or "EC5".
  2. BS EN 1995-1-1 2004 A1 2008 UK NA to Design of timber structures - General rules. This is the UK National Annex to Eurocode 5.
  3. IStructE Manual for the design of timber building structures to Eurocode 5
Check out our Timber Design Standards - Eurocode 5 for further explanation about timber design.

Calculation

Assumptions

Material Properties

Beam Geometry

Modification Factors

ULS Checks

SLS Checks

Related Resources

  1. Timber Design Standards - Eurocode 5
  2. Timber Beam Calculator to AS 1720.1
  3. Timber Column Calculator to AS 1720.1