NDLI: Numerical modelling of the seismic response of a tunnel–soil–aboveground building system in Catania (Italy)

Content Provider	Springer Nature Link
Author	Abate, Glenda Massimi, Maria Rossella
Copyright Year	2016
Abstract	Seismic design of structures is commonly performed by using design spectra by national technical codes or, in some “advanced” designs, by using design acceleration time-histories given by 1D free-field soil response analyses. These procedures can lead to erroneous evaluations of the “real” inputs, which hit aboveground and underground structures due to complex interactions involving the soil and the structures. Great attention has recently been devoted to separated tunnel–soil interaction analyses and soil-aboveground structure interaction analyses. Analyses involving tunnel–soil–aboveground structures (full-coupled systems) are still very rare. The present paper deals with the dynamic interaction that occurs between a tunnel, the soil and an aboveground building, it also investigates the effects of the tunnel on the response of the soil and/or of the building and vice versa. The study has been performed using full-coupled FEM modelling. A case-history of the Catania (Italy) underground network has been analysed. A cross-section of the underground network in Catania including an aboveground building has been modelled, by studying its behaviour during the expected scenario earthquake (M S = 7.0–7.4). The authors have investigated the seismic behaviour of the system in terms of acceleration time-histories, amplification ratios, Fourier amplitude spectra, as well as seismic bending moments and axial forces of the tunnel lining.
Starting Page	469
Ending Page	491
Page Count	23
File Format	PDF
ISSN	1570761X
Journal	Bulletin of Earthquake Engineering
Volume Number	15
Issue Number	1
e-ISSN	15731456
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-07-28
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Full-coupled system Silty clays Expected scenario earthquake Soil-nonlinearity Acceleration response Seismic tunnel lining forces Geotechnical Engineering & Applied Earth Sciences Environmental Engineering/Biotechnology Civil Engineering Geophysics/Geodesy Hydrogeology Structural Geology
Content Type	Text
Resource Type	Article
Subject	Building and Construction Geophysics Geotechnical Engineering and Engineering Geology Civil and Structural Engineering

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