186,683 research outputs found
Capitolo LXII - Ove si tratta dell'avventura incantata, e di altre bazzecole che tuttavia vanno raccontate
No full textTraduzione capitolo XLII - Seconda parte - Don Chisciotte
Archaeometric analyses of white marblesfrom Hadrian's Villa (Tivoli, Italy) and the use of Pentelic and Dokymaean marble in the statuary of the so-called canopus
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Provenance of marble sculptures and artifacts from the so-called Canopus and other buildings of "Villa Adriana" (Hadrian's Villa - Tivoli, Italy)
No full textThe results of a minero-petrographic and isotopic study carried out on the marbles of statues and architectural elements belonging to several buildings on the " Hadrian's Villa" site (the so-called Canopus, the Peschiera, the Sala dei Pilastri Dorici and the Serapeum) are presented here as part of an ongoing archaeometric project which considers the determination of the provenance of all the marble decorations of the Villa complex. Analytical data indicate the prevailing presence of marmor lunense and the use of Pentelic and Thasian marbles for architectural elements in a few parts of the Sala dei Pilastri Dorici, the Peschiera and the Serapeum; no significant use is made of Proconnesian marble, probably the most inexpensive of the time. Analysis of sculptures from the Canopus showed that those of the Tiber and Nile gods were made of Parian marble, the Caryatids and Telamons of Pentelic marble and the Amazons of the precious white Dokymaean marble
On bottom steel plate to concrete anchorage in hybrid steel trussed concrete beams
No full textA semi-precast hybrid steel trussed-concrete beam typology is considered. Beams are made up of a steel truss encased in a concrete beam. The steel to concrete stress transferring mechanism is analyzed by experimental tests on six specimens of the beam. Four point bending tests on three slab thick beams and three full thick beams have been carried out. The instrumentation allowed to measure global and local response. The global response was monitored in terms of load vs. midspan-deflection curves and the local response was recorded by strain-gauges placed both on the bottom steel plate and at the top concrete surface of the beam in order to investigate the stress transfer mechanism between steel and concrete
Tuning procedure for evacuation models based on egress drills
No full textA large number of evacuation models are nowadays available and deal with the challenge of modelling human behaviour in case of fire. Their numerical approach is often conceptually different, especially regarding the “primary force” driving human movement in space (minimizing the distance, the time, or more complex psychological functions). However, what they have in common is their strong sensitivity to some of the numerous parameters that must be defined during the input process. This aspect is to be considered when using evacuation models, especially because these parameters are likely to be affected by large uncertainties. This paper shows how starting from a literature-based modelling more realistic results can be possibly reached by modifying few input parameters according to an egress drill carried out in the multi-storey school building of firefighters of the Central Directorate of Prevention and Technical Safety in Rome
The importation of white marble into Paestum during the Republic and at the beginning of the Empire
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Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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