DS/EN 1998-2/A2:2011

Eurocode 8: Design of structures for earthquake resistance - Part 2: Bridges

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(1) The scope of Eurocode 8 is defined in EN 1998-1:2004, 1.1.1 and the scope of this Standard is defined in 1.1.1. Additional parts of Eurocode 8 are indicated in EN 1998-1:2004, 1.1.3.
(2) Within the framework of the scope set forth in EN 1998-1:2004, this part of the Standard contains the particular Performance Requirements, Compliance Criteria and Application Rules applicable to the design of earthquake resistant bridges.
(3) This Part primarily covers the seismic design of bridges in which the horizontal seismic actions are mainly resisted through bending of the piers or at the abutments; i.e. of bridges composed of vertical or nearly vertical pier systems supporting the traffic deck superstructure. It is also applicable to the seismic design of cable-stayed and arched bridges, although its provisions should not be considered as fully covering these cases.
(4) Suspension bridges, timber and masonry bridges, moveable bridges and floating bridges are not included in the scope of this Part.
(5) This Part contains only those provisions that, in addition to other relevant Eurocodes or relevant Parts of EN 1998, should be observed for the design of bridges in seismic regions. In cases of low seismicity, simplified design criteria may be established (see 2.3.7(1)).
(6) The following topics are dealt with in the text of this Part:
Basic requirements and Compliance Criteria,
Seismic Action,
Strength Verification,
This Part also includes a special section on seismic isolation with provisions covering the application of this method of seismic protection to bridges.
(7) Annex G contains rules for the calculation of capacity design effects.
(8) Annex J contains rules regarding the variation of design properties of seismic isolator units and how such variation may be taken into account in design.

Number of pages: 8

Published: 2012-02-03

Date of approval: 2011-11-09

International relationships : EN 1998-2:2005/A2:2011 IDT

ICS: 91.070.80 - Eurocode 8 Design of structures for earthquake resistance. 91.120.25 - Seismic and vibration protection 93.040 - Bridge construction

Item number: M250104



  • CEN/TC 250/SC 8

Danish committee