Seismic response of a RC frame building designed according to old and modern practices |
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| Authors: | Matej Rozman Peter Fajfar |
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| Institution: | (1) Faculty of Civil and Geodetic Engineering, Institute of Structural Engineering, Earthquake Engineering and Construction IT, University of Ljubljana, Jamova 2, 1000 Ljubljana, Slovenia |
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| Abstract: | In the paper the seismic response of different variants of the three-story reinforced concrete frame structure SPEAR is compared.
The basic structure is representative of building practice before the adoption of seismic codes. This structure has been compared
with four modified variants, which were designed partly or completely in accordance with the Eurocode family of standards.
For seismic assessment the practice-oriented nonlinear N2 method was used. The results demonstrate the low seismic resistance
of buildings designed for gravity loads only. On the other hand, the advantages of new standards are clearly apparent. By
taking into account the requirements of Eurocode 8 it is possible to ensure adequate strength, stiffness and ductility. By
means of capacity design it is possible to ensure a global plastic mechanism. All these characteristics contribute to the
high seismic resistance of structures designed according to Eurocode 8 and to their satisfactory behaviour during earthquakes. |
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| Keywords: | RC frame building Pushover analysis N2 method Seismic assessment Eurocode 8 SPEAR building |
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