# Eurocode 5: Design of timber structures

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In the [Eurocode](/source/Eurocode) series of [European standards](/source/European_Committee_for_Standardization) (EN) related to [construction](/source/Construction), ***Eurocode 5: Design of timber structures*** (abbreviated **EN 1995** or, informally, **EC 5**) describes how to design buildings and civil engineering works in [timber](/source/Timber), using the [limit state design](/source/Limit_state_design) philosophy. It was approved by the [European Committee for Standardization](/source/European_Committee_for_Standardization) (CEN) on 16 April 2004. It applies for civil engineering works from solid timber, sawn, planed or in pole form, glued laminated timber or wood-based structural products, (e.g. LVL) or wood-based panels jointed together with adhesives or mechanical fasteners and is divided into the following parts.

EN Eurocode 5 is intended to be used in conjunction with:

- [EN 1990](/source/EN_1990): Eurocode - Basis of structural design;

- [EN 1991](/source/EN_1991): Eurocode 1 - Actions on structures;

- **hENs**, **ETAGs** and **ETAs**: for construction products relevant to timber structures;

- [EN 1998](/source/EN_1998): Eurocode 8 - Design of structures for earthquake resistance, when timber structures are built in seismic regions.

## Part 1-1: General — Common rules and rules for buildings

EN 1995-1-1 gives general design rules for timber structures together with specific design rules for buildings.

## Contents

- General

- Basis of design

- Materials

- Durability

- Basis of Structural analysis

- Ultimate [limit states](/source/Limit_state)

- Serviceability limit states

- Connections with metal fasteners

- Components and assemblies

- Structural detailing and control.

### Part 1-2: General - Structural [fire](/source/Fire) design

EN 1995-1-2 deals with the design of timber structures for the accidental situation of fire exposure and is intended to be used in conjunction with EN 1995-1-1 and [EN 1991](/source/EN_1991)-1-2:2002. EN 1995-1-2 only identifies differences from, or supplements normal temperature design and deals only with passive methods of fire protection. Active methods are not covered.

### Part 2: Bridges

EN 1995-2 gives general design rules for the structural parts of bridges, i.e. structural members of importance for the reliability of the whole bridge or major parts of it, made of timber or other wood-based materials, either singly or compositely with concrete, steel or other materials.

## External links

- [The EN Eurocodes](http://eurocodes.jrc.ec.europa.eu/)

- [EN 1995: Design of timber structures](http://eurocodes.jrc.ec.europa.eu/showpage.php?id=135)

- [EN 1995: Design of timber structures - "Eurocodes: Background and applications" workshop](http://eurocodes.jrc.ec.europa.eu/showpage.php?id=332#EN1995) [Archived](https://web.archive.org/web/20120414171531/http://eurocodes.jrc.ec.europa.eu/showpage.php?id=332#EN1995) 2012-04-14 at the [Wayback Machine](/source/Wayback_Machine)

v t e European Standards (EN) European Commission - European Committee for Standardization Construction (eurocodes) Basis of structural design 1: Actions on structures 2: Design of concrete structures 3: Design of steel structures 4: Design of composite steel and concrete structures 5: Design of timber structures 6: Design of masonry structures 7: Geotechnical design 8: Design of structures for earthquake resistance 9: Design of aluminium structures Other EN 3 EN 54 EN 71 EN 166 EN 206-1 EN 207 EN 417 EN 590 EN 1078 EN 1090 EN 13402

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Adapted from the Wikipedia article [Eurocode 5: Design of timber structures](https://en.wikipedia.org/wiki/Eurocode_5%3A_Design_of_timber_structures) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Eurocode_5%3A_Design_of_timber_structures?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.