I.S. ENV 1998-3:1996
Superseded
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EUROCODE 8 - DESIGN PROVISIONS FOR EARTHQUAKE RESISTANCE OF STRUCTURES - PART 3: TOWERS, MASTS AND CHIMNEYS
Hardcopy , PDF
14-08-2005
English
01-01-1996
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 General
1.1 Scope
1.2 Definitions
1.3 Special terms used in Part 3 of Eurocode 8
1.4 Definitions
1.5 S.I. Units
1.6 Symbols
2 Basic requirement and compliance criteria
2.1 Scope
2.2 Compliance criteria
2.3 Importance factors
2.4 Non collapse requirement (ultimate limit state)
2.5 Minimisation of damage (serviceability limit state)
2.6 Behaviour factor
3 Seismic action
3.1 Definition of the seismic input
3.2 Elastic response spectrum
3.3 Design spectrum
3.4 Time-history representation
3.5 Long period components of the motion at a point
3.6 Spatial variability of the seismic motion
4 Modelling of structures
4.1 Number of degrees of freedom
4.2 Masses
4.3 Stiffnesses
4.4 Damping
4.5 Soil-structure interaction
5 Methods of analysis
5.1 Applicable methods
5.2 Simplified dynamic analysis
5.3 Multimodal analysis
5.4 Combination of different ground motion components
5.5 Combination of internal actions
5.6 Combination of the seismic action with other
actions
5.7 Displacements
6 Safety verification
6.1 Ultimate limit state
6.2 Serviceability limit state
Annexes
Annex A (Informative) Linear dynamic analysis accounting
for a rotational seismic motion
Annex B (Informative) Analysis procedure for damping
Annex C (Informative) Soil-structure interaction
Annex D (Informative) Number of degrees of freedom and
number of modes of vibration
Annex E (Informative) Special rules of reinforced
concrete chimneys
Annex F (Informative) Materials for steel structures
Annex G (Informative) Electric transmission towers
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