28 research outputs found

    Título: Il Costume antico e moderno di tutti i popoli

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    v. 1-3: Della Grecia /Gironi, R; v. 4: Dell'impero Ottomano, Degli Slavi moderni /Magnetti, C.; v. 5: Degli Etruschi /Magnetti, C. , Dei Romani /Levati, A.; v. 6: Della Spagna e del Portogallo /Gironi, R., Dei Francesi /Ferrario, G.; v. 7 t. 1: Delle Isole britanniche /Levati, A., Su la Scandinavia /[Ferrario, G. ?]; v. 7 t. 2: Degli Ungheresi /Rossi, F., Della Russia europea, Sulla Polonia, L'Olanda /Ferrario, G.; v. 8 (3 t.): Costume degl'Italiani /[Ferrario, G. ?]; v. 9 t. 1: Degli Svizzeri /Levati, A., Degli antichi Germani /Bossi, L.; v. 9 t. 2: Della Germania /[Bossi, L. ?]; v. 10: Storia ed analisi degli antichi romanzi di cavalleria /Ferrario, G

    Durability of steel-fibre reinforced concrete precast elements: experiments and proposal of design recommendations

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    Durability of Steel Fibre Reinforced Concrete (SFRC) is a crucial topic as far the use of this material for structural purposes is concerned. An extensive experimental investigation has been carried out by Magnetti Building, in the framework of a wider research project focused on the use of SFRC in precast structural elements. Tests outlined the key role played by matrix porosity, fibre microstructure and reactions occurring at the fibre-matrix interface. A proposal of design recommendations is finally drafted taking advantage of the previously obtained results

    Durabilità delle strutture prefabbricate in calcestruzzo rinforzato con fibre di accaio: indagine sperimentale e proposta di raccomandazioni progettuali

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    Durability of Steel Fibre Reinforced Concrete (SFRC) is a crucial topic as far the use of this material for structural purposes is concerned. An extensive experimental investigation has been carried out by Magnetti Building, in the framework of a wider research project focused on the use of SFRC in precast structural elements. Tests outlined the key role played by matrix porosity, fibre microstructure and reactions occurring at the fibre-matrix interface. A proposal of design recommendations is finally drafted taking advantage of the previously obtained results

    Distribuzione delle fibre, lavorabilità e proprietà meccaniche di SFRC: uno studio applicato alla produzione continuativa di elementi prefabbricati per coperture

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    A series of 40 precast prestressed roof elements has been cast, employing a self-compacting steel fibre reinforced concrete (SCSFRC). They are going to be used in a building of the Magnetti-Larco firm. The fibre distribution inside the roof elements has been investigated by means of a suitable test procedure and correlated with results obtained from cube samples drawn from the batches and tested at the fresh state. Companion slabs have been also cast and tested under four point bending, in order to investigate the existing correlation between fibre distribution and mechanical properties of the composite. The work here presented analyses the existing correlation between fibre distribution, workability and mechanical properties of steel fibre reinforced concrete (SFRC) with the aim to optimise both its fresh- and hardened-state properties in the sight of its use in a series production of precast SFRC structural elements

    Clinical Data of Neonatal Systemic Thrombosis

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    Objective To evaluate clinical data and associated risk conditions of noncerebral systemic venous thromboembolism (VT), arterial thromboembolism (AT), and intracardiac thromboembolism (ICT) in neonates. Study design Data analysis of first systemic thromboembolism occurring in 75 live neonates (0-28 days), enrolled in the Italian Registry of Pediatric Thrombosis from neonatology centers between January 2007 and July 2013. Results Among 75 events, 41 (55%) were VT, 22 (29%) AT, and 12 (16%) ICT; males represented 65%, and 71% were preterm. In 19 (25%), thromboembolism was diagnosed on the first day of life. In this "early onset" group, prenatal-associated risk conditions (maternal/placental disease) were reported in 70% and inherited thrombophilia in 33%. Postnatal risk factors were present in 73%; infections and central vascular catheters in 56% and 54% VT, respectively, and in 67% ICT vs 27% AT (<.05). Overall mortality rate was 15% and significant thromboembolism-related sequelae were reported in 16% of discharged patients. Conclusions This report from the Registro Italiano Trombosi Infantili, although limited by representing an uncontrolled case series, can be used to develop future clinical trials on appropriate management and prevention of neonatal thrombosis, focusing on obstetrical surveillance and monitoring of critically ill neonates with vascular access. A thrombosis risk prediction rule specific for the neonatal population should be developed through prospective controlled studies. © 2016 Elsevier Inc

    Connecting fibre distribution, workability and mechanical properties of SFRC: an industrial application to precast elements

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    A series of 40 precast prestressed roof elements has been cast, employing a self-compacting steel fibre reinforced concrete (SCSFRC). They are going to be used in a building of the Magnetti-Larco firm. The fibre distribution inside the roof elements has been investigated by means of a suitable test procedure and correlated with results obtained from cube samples drawn from the batches and tested at the fresh state. Companion slabs have been also cast and tested under four point bending, in order to investigate the existing correlation between fibre distribution and mechanical properties of the composite. The work here presented analyses the existing correlation between fibre distribution, workability and mechanical properties of steel fibre reinforced concrete (SFRC) with the aim to optimise both its fresh- and hardened-state properties in the sight of its use in a series production of precast SFRC structural elements

    Effects of fibre orientation on the behaviour of RC beams in vibrated and self-compacting concrete

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    Structural design of fibre-reinforced members should take into consideration fibre orientation since the residual properties of the material can be different as a function of the cracking plane position and inclination. Designers must be aware of the possible negative influence of fibre orientation and they may take advantages from its positive effect. Some international standards (i.e., fib Model Code 2010 and German standard DafStb) define a factor that should take into account the orientation effects. In this context, the present paper presents the results of an experimental program aimed at evaluating steel fibre orientation in RC beams. Three beams (0.15 m x 0.70 m x 4.10 m) were cast at Magnetti Building (Carvico, Italy) factory following the most common casting process adopted in practice by using vibrated and self-compacting concrete
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