Comparative design of the superstructure of timber bridges, using norm np 005 - 2003 and provisions of european standards

Corina Chiotan 1  und Dumitru Daniel Morlova 1
  • 1 Technical University of Civil Engineering Bucharest, Romania.

Abstract

The norms and standards for design of timber bridges, as well as other structures built from this material, were obsolete, design standards that were used dated from 1978 to 1980. The introduction of European Standards has created a new legislative framework in the field of designing and building timber bridges. Currently the design of such constructions use Norm NP 005-2003 and SR EN 1995-1-1: 2004 Eurocode 5: Design of timber structures. Part 1-1: General. Common rules and rules for buildings, SR EN 1995-2: 2005 Eurocode 5: Design of timber structures. Part 2: Bridges, along with their national annexes. The aim of this paper is to analyze the design of the beams for timber bridges in parallel, using on one hand Norm NP 005 - 2003, and on the other hand provisions of European standards. The design requirements for both norms as well as the results of a case study for a structural element of a timber bridge will be presented.

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  • [1]. SR EN 1995-1-1-2004. Eurocode 5: Design of timber structures. Part 1-1: General - Common rules and rules for buildings.

  • [2]. SR EN 1995-1-1-2004/NB:2008. Eurocode 5: Design of timber structures. Part 1-1: General - Common rules and rules for buildings. National Annex.

  • [3] SR EN 1995-2-2005. Eurocode 5: Design of timber structures. Part 2: Bridges.

  • [4] SR EN 1995-2-2005/NB:2008. Eurocode 5: Design of timber structures. Part 2: Bridges.. National Annex.

  • [5] SR EN 338:2010. Structural timber. Strength classes.

  • [6] NP 005 - 2003. Design of timber structures

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