(1)The scope of Eurocode 8 is defined in EN 1998-1:2004, andThe scope of this standard is defined in (2), (4) and (5). Additional parts of Eurocode 8 are indicated in EN 1998-1:2004, . (2)The scope of EN 1998-3 is as follows:To provide criteria forThe evaluation of the seismic performance of existing individual building structures; To describeThe approach in selecting necessary corrective measures; To set forth criteria forThe design of retrofitting measures (i.e. conception, structural analysis including intervention measures, final dimensioning of structural parts andTheir connections to existing structural elements). NOTE ForThe purposes of this standard, retrofitting covers bothThe strengthening of undamaged structures andThe repair of earthquake damaged structures. (3) When designing a structural intervention to provide adequate resistance against seismic actions, structural verifications should also be made with respect to non-seismic load combinations. (4) ReflectingThe basic requirements of EN 1998-1:2004,This standard coversThe seismic assessment and retrofitting of buildings made of the more commonly used structural materials:concrete, steel, and masonry. NOTE Informative Annexes A, B and C contain additional information related toThe assessment of reinforced concrete, steel and composite, and masonry buildings, respectively, and toTheir upgrading when necessary. (5) AlthoughThe provisions of this standard are applicable to all categories of buildings,The seismic assessment and retrofitting of monuments and historical buildings often requires different types of provisions and approaches, depending onThe nature of the monuments. (6) Since existing structures:(i) reflectThe state of knowledge atThe time of their construction, (ii) possibly contain hidden gross errors, (iii) may have been submitted to previous earthquakes or other accidental actions with unknown effects, structural evaluation and possible structural intervention are typically subjected to a different degree of uncertainty (level of knowledge) thanThe design of new structures. Different sets of material and structural safety factors areTherefore required, as well as different analysis procedures, depending onThe completeness and reliability of the information available.
EN 1998-3:2005 history
2013EN 1998-3:2005/AC:2013 Eurocode 8: Design of structures for earthquake resistance - Part 3: Assessment and retrofitting of buildings
2005EN 1998-3:2005 Eurocode 8: Design of structures for earthquake resistance - Part 3: Assessment and retrofitting of buildings