La risposta sismica di elementi portanti bidimensionali

Palermo, Michele (2014) La risposta sismica di elementi portanti bidimensionali, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Ingegneria civile e ambientale, 26 Ciclo. DOI 10.6092/unibo/amsdottorato/6615.
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This thesis reports a study on the seismic response of two-dimensional squat elements and their effect on the behavior of building structures. Part A is devoted to the study of unreinforced masonry infills, while part B is focused on reinforced concrete sandwich walls. Part A begins with a comprehensive review of modelling techniques and code provisions for infilled frame structures. Then state-of-the practice techniques are applied for a real case to test the ability of actual modeling techniques to reproduce observed behaviors. The first developments towards a seismic-resistant masonry infill system are presented. Preliminary design recommendations for the seismic design of the seismic-resistant masonry infill are finally provided. Part B is focused on the seismic behavior of a specific reinforced concrete sandwich panel system. First, the results of in-plane psuudostatic cyclic tests are described. Refinements to the conventional modified compression field theory are introduced in order to better simulate the monotonic envelope of the cyclic response. The refinements deal with the constitutive model for the shotcrete in tension and the embedded bars. Then the hysteretic response of the panels is studied according to a continuum damage model. Damage state limits are identified. Design recommendations for the seismic design of the studied reinforced concrete sandwich walls are finally provided.

Tipologia del documento
Tesi di dottorato
Palermo, Michele
Dottorato di ricerca
Scuola di dottorato
Ingegneria civile ed architettura
Settore disciplinare
Settore concorsuale
Parole chiave
unreinforced masonry infills;sandwich panels;seismic response
Data di discussione
19 Maggio 2014

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