I.S. EN 1998-6:2005

1 GENERAL
  1.1 SCOPE
  1.2 REFERENCES
  1.3 ASSUMPTIONS
  1.4 DISTINCTION BETWEEN PRINCIPLES AND APPLICATION RULES
  1.5 TERMS AND DEFINITIONS
  1.6 SYMBOLS
  1.7 S.I. UNITS
2 PERFORMANCE REQUIREMENTS AND COMPLIANCE CRITERIA
  2.1 FUNDAMENTAL REQUIREMENTS
  2.2 COMPLIANCE CRITERIA
3 SEISMIC ACTION
  3.1 DEFINITION OF THE SEISMIC INPUT
  3.2 ELASTIC RESPONSE SPECTRUM
  3.3 DESIGN RESPONSE SPECTRUM
  3.4 TIME-HISTORY REPRESENTATION
  3.5 LONG PERIOD COMPONENTS OF THE MOTION AT A POINT
  3.6 GROUND MOTION COMPONENTS
4 DESIGN OF EARTHQUAKE RESISTANT TOWERS, MASTS AND CHIMNEYS
  4.1 IMPORTANCE CLASSES AND IMPORTANCE FACTORS
  4.2 MODELLING RULES AND ASSUMPTIONS
  4.3 METHODS OF ANALYSIS
  4.4 COMBINATIONS OF THE EFFECTS OF THE COMPONENTS OF
       THE SEISMIC ACTION
  4.5 COMBINATIONS OF THE SEISMIC ACTION WITH OTHER ACTIONS
  4.6 DISPLACEMENTS
  4.7 SAFETY VERIFICATIONS
  4.8 THERMAL EFFECTS
  4.9 DAMAGE LIMITATION STATE
  4.10 BEHAVIOUR FACTOR
5 SPECIFIC RULES FOR REINFORCED CONCRETE CHIMNEYS
  5.1 SCOPE
  5.2 DESIGN FOR DISSIPATIVE BEHAVIOUR
  5.3 DETAILING OF THE REINFORCEMENT
  5.4 SPECIAL RULES FOR ANALYSIS AND DESIGN
  5.5 DAMAGE LIMITATION STATE
6 SPECIAL RULES FOR STEEL CHIMNEYS
  6.1 DESIGN FOR DISSIPATIVE BEHAVIOUR
  6.2 MATERIALS
  6.3 DAMAGE LIMITATION STATE
  6.4 ULTIMATE LIMIT STATE
7 SPECIAL RULES FOR STEEL TOWERS
  7.1 SCOPE
  7.2 DESIGN FOR DISSIPATIVE BEHAVIOUR
  7.3 MATERIALS
  7.4 DESIGN OF TOWERS WITH CONCENTRIC BRACINGS
  7.5 SPECIAL RULES FOR THE DESIGN OF ELECTRICAL
       TRANSMISSION TOWERS
  7.6 DAMAGE LIMITATION STATE
  7.7 OTHER SPECIAL DESIGN RULES
8 SPECIAL RULES FOR GUYED MASTS
  8.1 SCOPE
  8.2 SPECIAL ANALYSIS AND DESIGN REQUIREMENTS
  8.3 MATERIALS
  8.4 DAMAGE LIMITATION STATE

Sets out requirements, criteria, and rules for the design of tall slender structures: towers, including bell-towers, intake towers, radio and TV-towers, masts, chimneys (including free-standing industrial chimneys) and lighthouses.