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Site response analyses for complex geological and morphological conditions: relevant case-histories from 3rd level seismic microzonation in Central Italy.

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Title: Site response analyses for complex geological and morphological conditions: relevant case-histories from 3rd level seismic microzonation in Central Italy.
Authors: Pagliaroli, A.1 (AUTHOR) alessandro.pagliaroli@unich.it, Pergalani, F.2 (AUTHOR), Ciancimino, A.3 (AUTHOR), Chiaradonna, A.4,5 (AUTHOR), Compagnoni, M.2 (AUTHOR), de Silva, F.4,5 (AUTHOR), Foti, S.3 (AUTHOR), Giallini, S.1,5 (AUTHOR), Lanzo, G.6 (AUTHOR), Lombardi, F.2 (AUTHOR), Luzi, L.7 (AUTHOR), Macerola, L.8 (AUTHOR), Nocentini, M.5 (AUTHOR), Pizzi, A.8 (AUTHOR), Tallini, M.8 (AUTHOR), Teramo, C.9 (AUTHOR)
Source: Bulletin of Earthquake Engineering. Sep2020, Vol. 18 Issue 12, p5741-5777. 37p.
Subject Terms: *Mathematical complex analysis, *Friction velocity, *Fault zones, *Numerical analysis, *Shear waves, *Subsoils
Geographic Terms: Italy
Abstract: The paper presents the results of 5 case studies on complex site effects selected within the project for the level 3 seismic microzonation of several municipalities of Central Italy damaged by the 2016 seismic sequence. The case studies are characterized by different geological and morphological configurations: Monte San Martino is located along a hill slope, Montedinove and Arquata del Tronto villages are located at ridge top whereas Capitignano and Norcia lie in correspondence of sediment-filled valleys. Peculiarities of the sites are constituted by the presence of weathered/jointed rock mass, fault zone, shear wave velocity inversion, complex surface and buried morphologies. These factors make the definition of the subsoil model and the evaluation of the local response particularly complex and difficult to ascertain. For each site, after the discussion of the subsoil model, the results of site response numerical analyses are presented in terms of amplification factors and acceleration response spectra in selected points. The physical phenomena governing the site response have also been investigated at each site by comparing 1D and 2D numerical analyses. Implications are deduced for seismic microzonation studies in similar geological and morphological conditions. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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  Data: Site response analyses for complex geological and morphological conditions: relevant case-histories from 3rd level seismic microzonation in Central Italy.
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  Data: <searchLink fieldCode="JN" term="%22Bulletin+of+Earthquake+Engineering%22">Bulletin of Earthquake Engineering</searchLink>. Sep2020, Vol. 18 Issue 12, p5741-5777. 37p.
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  Data: *<searchLink fieldCode="DE" term="%22Mathematical+complex+analysis%22">Mathematical complex analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Friction+velocity%22">Friction velocity</searchLink><br />*<searchLink fieldCode="DE" term="%22Fault+zones%22">Fault zones</searchLink><br />*<searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Shear+waves%22">Shear waves</searchLink><br />*<searchLink fieldCode="DE" term="%22Subsoils%22">Subsoils</searchLink>
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  Label: Abstract
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  Data: The paper presents the results of 5 case studies on complex site effects selected within the project for the level 3 seismic microzonation of several municipalities of Central Italy damaged by the 2016 seismic sequence. The case studies are characterized by different geological and morphological configurations: Monte San Martino is located along a hill slope, Montedinove and Arquata del Tronto villages are located at ridge top whereas Capitignano and Norcia lie in correspondence of sediment-filled valleys. Peculiarities of the sites are constituted by the presence of weathered/jointed rock mass, fault zone, shear wave velocity inversion, complex surface and buried morphologies. These factors make the definition of the subsoil model and the evaluation of the local response particularly complex and difficult to ascertain. For each site, after the discussion of the subsoil model, the results of site response numerical analyses are presented in terms of amplification factors and acceleration response spectra in selected points. The physical phenomena governing the site response have also been investigated at each site by comparing 1D and 2D numerical analyses. Implications are deduced for seismic microzonation studies in similar geological and morphological conditions. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=145491933
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        Value: 10.1007/s10518-019-00610-7
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        Text: English
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        PageCount: 37
        StartPage: 5741
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      – SubjectFull: Mathematical complex analysis
        Type: general
      – SubjectFull: Friction velocity
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      – SubjectFull: Fault zones
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      – SubjectFull: Numerical analysis
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      – SubjectFull: Shear waves
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      – SubjectFull: Subsoils
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      – SubjectFull: Italy
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