989 resultados para Elevação Arti
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Vol. 3 by Tito Vespasiano Paravicini.
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Mode of access: Internet.
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At head of title: Società reale di Napoli
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Mode of access: Internet.
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"Siete articulitos [escritos] para ... [el] periódico 'el Almendares'."
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Nuova ser., v. 3, anno 23 (1898) incorrectly labeled v. 2, anno 23.
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Mode of access: Internet.
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Both copies: University of Illinois bookplate: "From the library of Conte Antonio Cavagna Sangiuliani di Gualdana Lazelada di Bereguardo, purchased 1921".
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Reprint of the 1834 ed. published by Tip. di A. Mancini, Macerata.
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Cavagna 5787: Program announcement, with "Casa Borgizzi" in ms. on verso, laid in, removed to item folder.
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Mode of access: Internet.
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Chemical abstracts
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Problems associated to longitudinal interactions in buried pipelines are characterized as three-dimensional and can lead to different soil-pipe issues. Despite the progress achieved in research on buried pipelines, little attention has been given to the three-dimensional nature of the problem throughout the last decades. Most of researches simplify the problem by considering it in plane strain condition. This dissertation aims to present a study on the behavior of buried pipelines under local settlement or elevation, using three-dimensional simulations. Finite element code Plaxis 3D was used for the simulations. Particular aspects of the numerical modeling were evaluated and parametric analyzes were performed, was investigated the effects of soil arching in three-dimensional form. The main variables investigated were as follows: relative density, displacement of the elevation or settlement zone, elevated zone size, height of soil cover and pipe diameter/thickness ratio. The simulations were performed in two stages. The first stage was involved the validation of the numerical analysis using the physical models put forward by Costa (2005). In the second stage, numerical analyzes of a full-scale pipeline subjected to a localized elevation were performed. The obtained results allowed a detailed evaluation of the redistribution of stresses in the soil mass and the deflections along the pipe. It was observed the reduction of stresses in the soil mass and pipe deflections when the height of soil cover was decreased on regions of the pipe subjected to elevation. It was also shown for the analyzed situation that longitudinal thrusts were higher than vi circumferential trusts and exceeded the allowable stresses and deflections. Furthermore, the benefits of minimizing stress with technical as the false trench, compressible cradle and a combination of both applied to the simulated pipeline were verified
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SOARES, Lennedy C. ; MEDEIROS, Adelardo A. D. de ; PROTASIO, Alan D. D. ; BOLONHINI, Edson H. Sistema supervisório para o método de elevação plunger lift. In: CONGRESSO BRASILEIRO DE PESQUISA E DESENVOLVIMENTO EM PETRÓLEO E GÁS, 5., Fortaleza, CE, 2009. Anais...Fortaleza: CBPDPetro, 2009.
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LINS, Filipe C. A. et al. Modelagem dinâmica e simulação computacional de poços de petróleo verticais e direcionais com elevação por bombeio mecânico. In: CONGRESSO BRASILEIRO DE PESQUISA E DESENVOLVIMENTO EM PETRÓLEO E GÁS, 5. 2009, Fortaleza, CE. Anais... Fortaleza: CBPDPetro, 2009.