Alterio, Luisa (2011) SEISMIC VULNERABILITY REDUCTION OF MONUMENTAL BUILDING BY SOILS TREATMENTS. [Tesi di dottorato] (Unpublished)

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Item Type: Tesi di dottorato
Language: English
Title: SEISMIC VULNERABILITY REDUCTION OF MONUMENTAL BUILDING BY SOILS TREATMENTS
Creators:
CreatorsEmail
Alterio, Luisaluisa.alterio@unina.it
Date: 30 November 2011
Number of Pages: 324
Institution: Università degli Studi di Napoli Federico II
Department: Ingegneria strutturale
Doctoral School: Ingegneria civile
PHD name: Ingegneria delle costruzioni
PHD cycle: 24
PHD Coordinator:
nameemail
Rosati, Lucianoluciano.rosati@unina.it
Tutor:
nameemail
Mazzolani, Federcofmm@unina.it
Russo, Gianpieropierusso@unina.it
Silvestri, Francescofrancesco.silvestri@unina.it
Date: 30 November 2011
Number of Pages: 324
Uncontrolled Keywords: seismic vulnerability reductio, monumental buildings, soil treatments, seismic isolation, stratigraphic site effects,
MIUR S.S.D.: Area 08 - Ingegneria civile e Architettura > ICAR/09 - Tecnica delle costruzioni
Area 08 - Ingegneria civile e Architettura > ICAR/07 - Geotecnica
Date Deposited: 15 Dec 2011 15:26
Last Modified: 30 Apr 2014 19:49
URI: http://www.fedoa.unina.it/id/eprint/8922

Abstract

Great efforts are being devoted in several countries to the development and application of passive vibrations control systems for the seismic protection of cultural heritage. Italy, can, certainly, be said, in the world, the country with the biggest and most significant cultural and historical heritage built, and despite having made significant progress in recent decades in seismic research applied to our heritage, in relation to the theoretical and methodological study in the applicative field still has much margin for development.The systems developed and devices used, in order to realize energy dissipation and seismic base-isolation, are many.However, similar to other antiseismic techniques, the problem of the aforesaid systems (in particular, that of seismic base-solation) is now the need for respecting the conservation requirements, which are very strict in some countries, like, for instance, Italy. Based on the above the present work investigates the possibility of obtaining an attenuation of the seismic signal by means of the surface soil treatment interventions, coupled or not with structural elements.In dealing with a problem typically multidisciplinary, requiring the integration of different competences, in particular, restoration engineering, geotechnical engineering and seismology, particularly important and space was for the analysis work of literature. The references cover both theoretical aspects related to the issues of restoration and the behavior of soils in the dynamic field, the issues so local seismic response, the assessment of seismic risk and the theory of propagation of seismic waves to which it is closely linked and ultimately possible to existing technologies for the soil treatment. The study of site effects related to the stratigraphy was then carried out numerically on a site: the park on the sea of Villa Favorita. Analyses were carried out assuming three different values of shear velocity and three different positions of the layer treated. It was then conducted a careful historical and geometric relief of a villa located within the park. The results of the seismic response analysis for the site, in terms of displacements and acceleration, for different stratigraphic hypotheses tested, were then compared with those offered by the hotel. The thesis, besides the introduction and conclusions, it consists of nine chapters.

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