GSO EN 1998-2:2011
Gulf Standard
Current Edition
·
Approved on
12 April 2011
·
Eurocode 8 - Design of structures for earthquake resistance – Part 2 : Bridges
GSO EN 1998-2:2011 Files
English
147 Pages
Current Edition
Reference Language
GSO EN 1998-2:2011 Scope
(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,
− Analysis,
− Strength Verification,
− Detailing.
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.
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