"Geo-characterization" of selected areas in Crete, Greece, towards realistic assessment of seismic design actions

A. Vafidis, M. Steiakakis, Z. Agioutantis, N. Andronikidis, G. Kritikakis, N. Economou, K. Pandi, N. Spanoudakis, A. Savvaidis, B. Margaris, N. Theodoulidis, V. Lekidis, Ch. Karakostas, M. D. Mangriotis, I. Kalogeras, S. Koutrakis, D. Rozos, C. Loupasakis, Th. Rondoyanni, P. TsangaratosU. Dikmen, N. Papadopoulos, A. Sarris, P. Soupios, E. Kokkinou, I. Papadopoulos, M. Kouli, F. Vallianatos

Research output: Contribution to journalArticlepeer-review


The geo-characterization of site conditions is crucial for the estimation of regional elastic  spectra.  The  work  to  be  done  in  the  framework  of  the  “GEO-CHARACTERIZATION”  THALIS-project,  will  combine  geotechnical  and geophysical methods and evaluate them to estimate critical geotechnical parameters. Although  geotechnical  tests  in  lab  may  provide  more  accurate  estimates  of geotechnical  parameters,  they  require  costly  and  time  consuming  drilling procedures.  On  the  other  hand  geophysical  methods  are  useful  in  providing estimates in situ of subsurface physical properties, which are not directly related to geotechnical parameters. Within “GEO-CHARACTERIZATION” THALIS-project a pilot  survey  for  geotechnical  characterization  at  selected  sites  of  Hellenic Accelerometric  Network in  Crete  will  be  conducted  by  employing  geotechnical, geological  and  geophysical  techniques.  Subsequently,  by  correlating  “geo-data” collected within this project, relations of certain mechanical parameters obtained in laboratory  or/and  in  situ  with  geophysical  parameters  for  typical  geologic formations  and  soils  will  be  established.  The  “GEO-CHARACTERIZATION” project, will focus on the influence of dynamic loads on geotechnical phenomena related to the static stress field variation, the estimation of site effects due to seismic motion and the proposal of regional elastic spectra for seismic provisions as well as their comparison with the  corresponding elastic design spectra of  Eurocode 8 (EC8).
Original languageAmerican English
Pages (from-to)1439
JournalBulletin of the Geological Society of Greece
Issue number3
StatePublished - Sep 5 2013


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