Seismic Vulnerability Of A Slope In Central Italy
Author(s)
A. Ferraro, S. Grasso & M. Maugeri
Abstract
This study has regarded the evaluation of site effects for seismic vulnerability in
correspondence of a site in San Giuliano di Puglia (Italy), located in the Molise
Region in Southern Italy, which is prone to high seismic risk. On October 31,
2002, a ML = 5.4 earthquake struck the Molise region in Southern Italy. The
strongly non-uniform damage distribution observed in the town of San Giuliano
di Puglia suggested that site amplification significantly affected the seismic
response of the area. Accelerograms obtained from the recording of the
aftershocks of the earthquake of October 31, 2002 have been used to evaluate the
ground response analysis at the surface. Finally the 1-D computer code EERA
was also used to model the equivalent-linear earthquake site response analyses of
layered soil deposits. The detail with which the hill has been studied has allowed
the construction of a detailed 2-D model of its structure. The difference between
the computed ground motion for different Vs profiles has been explored using
QUAD4M and QUAKE/W 2-D codes. It has also been possible to compare the
results from different 1-D models used, reflecting current approaches to the
determination of site response.
Keywords: seismic response, dilatometer, shear waves velocity, 2-D model.
Keywords
seismic response, dilatometer, shear waves velocity, 2-D model
Related Book
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