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2020, Articolo in rivista, ENG

Evaluation of complex site effects through experimental methods and numerical modelling: The case history of Arquata del Tronto, central Italy

Giallini S.; Pizzi A.; Pagliaroli A.; Moscatelli M.; Vignaroli G.; Sirianni P.; Mancini M.; Laurenzano G.

This work deals with the experimental and numerical evaluation of the local seismic response of Arquata del Tronto area (Marche Region, central Italy), severely struck by the Mw 6.0 August 24th, 2016 earthquake. Arquata main village rises on elongated WNW-ESE-trending ridge of the central Apennines thrust-belt (central Italy), at elevations about 170 m higher than the underlying alluvial valleys where Borgo and San Francesco hamlets are built on. Despite their proximity (less than 500 m), Arquata del Tronto, Borgo and San Francesco reported a different damage distribution after the August 2016 mainshock, suggesting that the seismic response of the area may be controlled by site effects. In order to explore this hypothesis, we evaluated the 2D numerical local seismic response along four representative geological cross-sections passing through Arquata del Tronto, San Francesco and Borgo. Additional 1D analyses were carried out at strategic points along the cross-sections in order to explore the 2D physical phenomena governing the local response. The satisfactory agreement between numerical amplification functions in linear range and experimental amplification functions obtained by the Generalized Inversion Technique (GIT) applied to a large number of aftershocks confirms the substantial reliability of the subsoil models. Numerical analyses representative of the 2016 mainshock were carried out and processed in terms of peak and key ground motion parameters. A comparison with the damage induced by the 2016 mainshock was finally undertaken substantially justifying the observed pattern. This study provides general implications about site response and seismic microzonation in sites characterized by similar complex geological and morphological settings.

Engineering geology 272

DOI: 10.1016/j.enggeo.2020.105646

2019, Rapporto di progetto (Project report), ENG

D5.4: Report on test data for fully guided fuselages with dynamic pitch

Spinosa Emanuele, Santic Ivan, Grizzi Silvano, Iafrati Alessandro, Olivieri Flavio, Zagaglia Roberto, Carta Fabio, Camassa Antonio, Coppola Giovanni, Di Cola Alessandro, Cutini Calisti Fiorello, Sellini Massimiliano, Adriani Massimo, Basti Roberto, Dalla Torre Stefano, Fabbri Luigi, D'Addeo Luigi, Palini Massimo, Ugolini Alberto, Maggi Veraldo, Bonci Ivana

In this report the data of the tests on scaled fuselages with dynamic pitch performed at CNR-INM (Institute of Marine Engineering), former CNR-INSEAN, on scaled fuselage models are presented. The report provides details on the test models, their design and built, on the experimental setup and the test data. The tests with dynamic pitch enable to estimate the unsteady pressures and loads acting on the fuselage as a consequence of an enforced pitch motion. The data allow to assess the capability of the computational tools to predict the changes in the loading associated with the dynamic pitch variation, which is the forcing terms of the equations of body motion. In turn, this is an important step to ensure an accurate reconstruction of the aircraft dynamics. Moreover, the effect of the interaction with waves during the ditching phase is analysed in both heading and following sea conditions

2018, Contributo in volume, ENG

Comparative Models of Inquiry

Coccia Mario, Benati Igor

Models of inquiry are methods of organized and systematic scientific process used by scholars for controlled investigations and experiments to logically and efficiently solve theoretical and practical problems, and generate whenever possible discoveries and/or science advances. Comparative is a concept that derives from the verb "to compare" (Latin comparare, derivation of par = equal, with prefix com-) and is a systematic comparison, in this case, of the models of inquiry.

DOI: 10.1007/978-3-319-31816-5_1199-1

InstituteSelected 0/3
    IGAG, Istituto di geologia ambientale e geoingegneria (1)
    INM, Istituto di iNgegneria del Mare (1)
    IRCRES, Istituto di Ricerca sulla Crescita Economica Sostenibile (1)
AuthorSelected 0/24
    Adriani Massimo (1)
    Basti Roberto (1)
    Benati Igor (1)
    Bonci Ivana (1)
    Camassa Antonio (1)
    Coccia Mario (1)
    Coppola Giovanni (1)
    Cutini Calisti Fiorello (1)
    D'addeo Luigi (1)
    Dalla Torre Stefano (1)
TypeSelected 0/3
    Articolo in rivista (1)
    Contributo in volume (1)
    Rapporto di progetto (Project report) (1)
Research programSelected 0/2
    DIT.AD019.039.001, SARAH (1)
    DTA.AD003.244.001, Microzonazione sismica - Attività di supporto al DPC a seguito dei terremoti Italia Centrale_IGAG (1)
EU Funding ProgramSelected 0/1
    H2020 (1)
EU ProjectSelected 0/1
    SARAH (1)
YearSelected 0/3
    2018 (1)
    2019 (1)
    2020 (1)
LanguageSelected 0/1
    Inglese (3)
Keyword

experimental methods

RESULTS FROM 1 TO 3 OF 3