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Inoue N.,Geo Research Institute | Kitada N.,Geo Research Institute | Takemura K.,Kyoto University | Fukuda K.,KANSAI International Airport Land Development CO. | Emura T.,KANSAI International Airport Land Development CO.
Geotechnical and Geological Engineering | Year: 2013

The three-dimensional subsurface structure model around Kansai International Airport (KIX) has been developed based on the geologically and geotechnically investigated results of a large amount of borehole data for estimation of subsidence. The model consists of the alternation of marine clay and coarse deposits. The many seismic surveys and borehole drillings were carried out around the KIX before the constructing the airport. The stratigraphy of the model was renewed by the KIX18-1, which was about 1,300 m long drilling core and was drilled near the 2nd runway of the KIX from 2006 to 2007. In this study, the subsurface geologicalmodel was revised by integration of renewed borehole data and seismic profiles to incorporate complex warping structure and heterogenic lateral variation. © Springer Science+Business Media Dordrecht 2012.

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