I.S. EN 1993-3-1:2006

1 General
  1.1 Scope
  1.2 Normative references
  1.3 Assumptions
  1.4 Distinction between principles and application rules
  1.5 Terms and definitions
  1.6 Symbols
  1.7 Convention for cross section axes
2 Basis of design
  2.1 Requirements
  2.2 Principles of limit state design
  2.3 Actions and environmental influences
  2.4 Ultimate limit state verifications
  2.5 Design assisted by testing
  2.6 Durability
3 Materials
  3.1 Structural steel
  3.2 Connections
  3.3 Guys and fittings
4 Durability
  4.1 Allowance for corrosion
  4.2 Guys
5 Structural analysis
  5.1 Modelling for determining action effects
  5.2 Modelling of connections
6 Ultimate limit states
  6.1 General
  6.2 Resistance of cross sections
  6.3 Resistance of members
  6.4 Connections
  6.5 Special connections for masts
7 Serviceability limit states
  7.1 Basis
  7.2 Deflections and rotations
  7.3 Vibrations
8 Design assisted by testing
9 Fatigue
  9.1 General
  9.2 Fatigue loading
  9.3 Fatigue resistance
  9.4 Safety assessment
  9.5 Partial factors for fatigue
  9.6 Fatigue of guys
Annex A [normative] - Reliability differentiation and partial
        factors for actions
      A.1 Reliability differentiation for masts and towers
      A.2 Partial factors for actions
Annex B [informative] - Modelling of meteorological actions
      B.1 General
      B.2 Wind force
      B.3 Response of lattice towers
      B.4 Response of guyed masts
Annex C [informative] - Ice loading and combinations of ice
        with wind
      C.1 General
      C.2 Ice loading
      C.3 Ice weight
      C.4 Wind and ice
      C.5 Asymmetric ice load
      C.6 Combinations of ice and wind
Annex D [normative] - Guys, dampers, insulators, ancillaries
        and other items
      D.1 Guys
      D.2 Dampers
      D.3 Insulators
      D.4 Ancillaries and other items
Annex E [informative] - Guy rupture
      E.1 Introduction
      E.2 Simplified analytical model
      E.3 Conservative procedure
      E.4 Analysis after a guy rupture
Annex F [informative] - Execution
      F.1 General
      F.2 Bolted connections
      F.3 Welded connections
      F.4 Tolerances
      F.5 Prestretching of guys
Annex G [informative] - Buckling of components of masts and towers
      G.1 Buckling resistance of compression members
      G.2 Effective slenderness factor k
Annex H [informative] - Buckling length and slenderness of members
      H.1 General
      H.2 Leg members
      H.3 Bracing members
      H.4 Secondary bracing members
      H.5 Shell structures
Annex NA (informative) Irish National Annex to
         Eurocode 3: Design of steel structures
         - Part 3-1: Towers, masts and chimneys
         - Towers and masts
Introduction
      NA.1 Scope
      NA.2 Nationally Determined Parameters
      NA.3 Decisions on informative annexes

Pertains to the structural design of lattice towers and guyed masts and to the structural design of this type of structures supporting prismatic, cylindrical or other bluff elements.