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Application of inverse ray-tracing seismic modelling techniques in the Ikaria airport siteGold Open Access

Authors: V.K. Karastathis, J.F. Louis, M. Arvanitis and P. Karmis
Journal name: Journal of the Balkan Geophysical Society
Issue: Vol 5, No 4, November 2002 pp. 107 - 114
Language: English
Info: Article, PDF ( 2.46Mb )

Summary:
The implementation of the seismic refraction method in the Ikaria Island Airport site, Greece, in 1995, was a characteristic case of detection degraded areas by geophysical prospecting, in a zone where the Airport’s runway had been planned for expansion. The degradation was mainly presumed by the low values of the measured seismic wave velocity and the estimated dynamic modulus of elasticity. The processing of the data had been based on ray-tracing inverse modelling techniques. The geophysical survey had assisted to the proper design of the runway expansion. Six years later, we reprocessed the data with modern inverse modelling techniques in order to assess the validity of the older refraction modelling results and to make a general assessment about the degree that the new techniques could additionally assist the quantification of the dynamic properties of the rocks in engineering applications.

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