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  • Seismic hazard  (2)
  • intensity attenuation
  • Taylor & Francis  (2)
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  • 1
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    Preliminary study on the impact of the introduction of an updated seismic hazard model for Italy (2007)
    Taylor & Francis
    Details
    Publication Date: 2017-04-04
    Description: A new hazard model for Italy has recently been proposed; hazard maps have been produced for various return periods, allowing the values of peak ground acceleration (PGA) and spectral accelerations for response periods up to 2 s to be interpolated for each of the 8,101 Italian municipalities. The new model allows for a more refined definition of the hazard in each municipality as compared to the current use of a fixed spectral shape anchored to upper bound 475-year PGA values and scaling factors for different return periods. The aim of this work is to investigate, in a preliminary fashion, the implications that the adoption of the new return-period dependent hazard maps would have on design and assessment of structures. To this end, the seismic performance of reinforced concrete frames of varying height is evaluated assuming they were located in each of the 8,101 municipalities in Italy and the results obtained with the current and the new hazard model are compared. The new model is shown to result in lower seismic risk in the majority of the municipalities.
    Description: Published
    Description: 89-118
    Description: 4.2. TTC - Scenari e mappe di pericolosità sismica
    Description: JCR Journal
    Description: reserved
    Keywords: Seismic hazard ; Response Spectra ; Vulnerability assessment ; Risk assessment ; Reinforced concrete buildings ; Italy ; 04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
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    On-line seismic hazard data for the new Italian building code (2007)
    Taylor & Francis
    Details
    Publication Date: 2017-04-04
    Description: The probabilistic seismic hazard of Italy was assessed in 2004 to match the requirements of the new seismic provisions. This such map, now recognized as the official reference for design according to the building and administrative issues, is the result of a comprehensive seismic hazard model that takes into account the variability in seismicity, seismogenic potential, and propagation in different areas of Italy. Since 2004, we have computed seismic hazard in terms of peak ground acceleration and spectral acceleration values for varied annual probabilities of exceedance, including a measure of their variability. These data allow as to: (1) compute site-specific seismic hazard curves and uniform hazard spectra; (2) anchor the elastic response spectra; and (3) set seismological constraints on the limit states. These seismic hazard data are stored in a database, freely accessible to all end-users via the web, where they can be downloaded or consulted through a WebGIS tool.
    Description: Published
    Description: 119-132
    Description: 4.2. TTC - Scenari e mappe di pericolosità sismica
    Description: JCR Journal
    Description: reserved
    Keywords: Seismic hazard ; Italy ; WebGis ; Building code ; 04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Location Call Number Expected Availability
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    PAPER (OA)
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