NBN EN ISO 19901-2 : 2005

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
  4.1 Symbols
  4.2 Abbreviated terms
5 Earthquake hazards
6 Seismic design principles and methodology
  6.1 Design principles
  6.2 Seismic design procedures
  6.3 Spectral acceleration data
  6.4 Seismic risk category
  6.5 Seismic design requirements
7 Simplified seismic action procedure
  7.1 Soil classification and spectral shape
  7.2 Seismic action procedure
8 Detailed seismic action procedure
  8.1 Site-specific seismic hazard assessment
  8.2 Probabilistic seismic hazard analysis
  8.3 Deterministic seismic hazard analysis
  8.4 Seismic action procedure
  8.5 Local site response analyses
9 Performance requirements
  9.1 ELE performance
  9.2 ALE performance
Annex A (informative) Additional information and guidance
Annex B (informative) Regional information
Bibliography

Describes requirements for defining the seismic design procedures and criteria for offshore structures; guidance on the requirements is included in Annex A. The requirements are applicable to fixed steel structures and fixed concrete structures.