A Videoconference on the implementation of national and European seismic
codes in Greece and Italy was organized on October 30, 2006. About 20
seismic engineers and seismologists from both countries attended the
conference. The normative enforced in Greece and in Italy was thoroughly
reviewed and discussed with relation to the evolving EU codes.
At the end of the conference the following document
was released:
The purpose of the conference was to discuss
the seismic codes implemented in Greece and Italy and their relationships
with Eurocode 8.
The final objective is to identify research issues relevant to the further
development and implementation of the seismic Eurocode, which can be
suggested for inclusion in the future call of FP7.
It was pointed out that the timing of this conference is proper as European
countries are now entering a transition period of coexistence of national
and Eurocodes.
Although basic knowledge in seismology and seismic engineering developed
rapidly in the last decades and the level of developed codes is the
state of the art, several issues require still a global approach of
basic research for a scientifically sound inclusion in the seismic codes.
The main issues are:
- Attenuation laws of seismic analysis
- Assessment of existing structures (in addition to seismic
design): general principles, reliability, performance based assessment,
probabilistic methods, refurbishment techniques
- Lifelines: expansion of Eurocodes to include procedures
of network analysis, estimation of economical losses/ business disruption
in Europe after earthquakes, restoration curves for lifelines. Further
research is needed on identification of European lifeline inventory,
collection of lifeline damage data, production of fragility curves
for European lifeline elements
- Effect of focal characteristics of sources on near field
and far field displacement spectra and attenuation laws
- Development of probabilistic earthquake scenarios
- Arise citizen consciousness for best practice
- Applicability of innovative materials and methods for
anti-seismic constructions
- Real data from instrumented response
- Duration definitions and energetic characteristics of
strong ground motion in EC8
Moreover, further development of the EN Eurocodes
is needed for fibre reinforced polymer (FRP) composites, glass structures
and hybrid structural components. In these areas the current applications
are handled by “Unique verifications” or “Technical
Approvals”.
The scientists that have attended the workshop,
whose fields of experience range from seismotectonics and seismology
to earthquake engineering, recommend that the EC consider these issues
as priority objectives in the next calls of FP7.
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