1,354,231 research outputs found

    LINGUA D’USO E LINGUA POPOLARE NEI DIZIONARI DI TOMMASEO

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    Nell’articolo sono indagati lemmi e accezioni popolari presenti nei dizionari di Tommaseo. Da uno spoglio digitale prima delle varie edizioni del Dizionario dei Sinonimi e poi del Dizionario della lingua, sono state selezionate e raccolte per tipologia in due Appendici le voci indicate come ‘popolari’: se ne ricava che il dizionario di Tommaseo è il primo che le registra sistematicamente. Di queste si è poi studiata l’origine, fra giunte di prima mano offerte dai collaboratori e citazioni puntuali tratte da canti popolari, in particolare toscani, come quella di Giuseppe Tigri (mancante nella «Tavola delle abbreviature»). Si è potuto ricavare anche quale fosse, fra i tanti collaboratori al Dizionario, quello destinato allo spoglio dei volumi di canti, Savino Savini, e si è riportata una significativa selezione del carteggio inedito conservato alla Biblioteca Nazionale Centrale di Firenze.   Language of use and popular language in Tommaseo’s dictionaries The article investigates popular terms and meanings in Tommaseo’s dictionaries. Starting rom a digital survey of the various editions of the Dictionary of Synonyms and the Dictionary of the Language, the ‘popular’ entries were selected and divided by type in two Appendices: Tommaseo’s dictionary was the first to systematically record them. Their origins were studied, among first-hand entries offered by his collaborators and precise quotations taken from popular songs, in particular from Tuscany, by Giuseppe Tigri (missing in the “Table of abbreviations”). It was also possible to discover which, among the many contributors to the Dictionary, was the one intended for the selection of the volumes of songs, Savino Savini. A significant selection of unpublished correspondence kept at the Biblioteca Nazionale Centrale in Florence was cited

    Per lo studio dei commenti alle opere di Giovanni Boccaccio: una banca dati digitale sulle chiose alle Tre Corone (ante 1500)

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    Si presentano in questa sede i punti programmatici del progetto denominato “Biblioteca degli antichi commenti”, il cui obiettivo è la realizzazione del primo strumento digitale dedicato alla tradizione dei commenti in volgare alle opere delle Tre Corone redatti entro il 1500. Il progetto ha ottenuto il supporto dell’Istituto del CNR – Opera del Vocabolario Italiano (OVI) e si auspica che potrà rientrare negli interessi scientifici dell’Ente Nazionale Giovanni Boccaccio, già al corrente dello stato di avanzamento dei lavori

    A macroelement for the cyclic analysis of masonry structures

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    In this work, a macroelement for the cyclic analysis of masonry structures is presented. The proposed model is based on the equivalent frame method to represent the structure, in which each masonry pier or spandrel is schematised by a beam-type macroelement containing two flexural nonlinear springs at both ends, a shear nonlinear spring in the middle and two Euler-Bernoulli elastic beams connecting them. Each springs have a length conventionally chosen by the user in percentage of the macroelement height, and their characteristics are calculated automatically. The springs exhibit a cyclic behaviour, different for flexure and shear. Stiffness and strength degradation are implemented in both hysteretic laws; moreover, the strength is calculated during the analysis as a function of the axial compressive load. All parameters governing degradations and hysteretic cycles are obtained on the base of the results of experimental tests on masonry piers. The macroelement, implemented as User Element (UEL) in the general FE code Abaqus is formulated using the static condensation method, and it supplies the tangent stiffness matrix and the force vector as output. The force vector is obtained assembling the contribution of each element and performing some simple Newton-Raphson iterations to ensure the internal equilibrium. To validate the proposed cyclic behaviour, two cyclic experimental tests on masonry piers have been reproduced numerically. It is shown that the macroelement is able to change the amount of dissipated energy on the base of the slenderness of the masonry wall thanks to the stiffness ratios of the non-linear springs. For a slender pier, which mostly has a flexural collapse, the rotational springs will mainly influence the whole response, while for a squat wall, that presents a shear failure, the shear spring will be more stressed. A comparison between experimental and numerical results is also performed on a 2-storey perforated façade subjected to a cyclic test, evidencing the validity of the presented approach in real models
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