123 resultados para Estruturas portuárias


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Descrito como o presente Privilégio de Invenção, refere-se a um dispositivo para a fazer a medição dos ângulos de diferentes tipos de estruturas, para tanto o mesmo possui um corpo mecânico, formando um sensor de inclinação (1), composto por três partes onde, a primeira parte é a base (2), dotada de um par de orifícios (3), para a inserção de parafusos que fixam o dispositivo junto a uma estrutura qualquer.

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Processo de microfiltração tangencial para retenção de microrganismos em estruturas microporosas à base de a-alumina - prata metálica, mediante Impregnação por Solução Portadora de nano-partículas de prata - ISP. Trata-se a presente invenção de um processo de microfiltração tangencial para retenção/eliminação da bactéria Escherichia coli em estruturas microporosas à base de a- alumina (AI~ 2~O~ 3~) - prata metálica, empregados em tratamento de águas residuárias, mediante Impregnação por Solução Portadora de nanopartículas de prata, com o objetivo de desenvolver uma tecnologia relevante para melhorar o desempenho do processo de retenção de microrganismos.

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Pós-graduação em Engenharia Elétrica - FEIS

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Pós-graduação em Engenharia Mecânica - FEG

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Pós-graduação em Engenharia Mecânica - FEIS

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This article aims to highlight, in the form of brief general notes, the broad outlines of Honneth's critique of some aspects of Habermas' thought. Honneth's critique is guided by an investigation of the moral and normative criteria of social struggles, which Honneth appropriates in a critical fashion from the young Hegel. Honneth's central point is that the possibilities of interactive-communicative experience cannot be summarized in, or taken exclusively from, linguistic interaction, nor can the latter be pursued in its ideal aspect without the presupposition of the conflicting contexts in which it is always inserted.

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In this paper we discuss the question of the a priori character of the necessary structures of knowledge according to Genetic Epistemology, focusing on the notion of space in particular. We establish some relations between Jean Piaget’s Genetic Epistemology and Immanuel Kant’s Critical Philosophy, discuss the notion of the a priori according to Kant in relation to the notion of space, and discuss the construction of the notion of space by the epistemic subject according to Genetic Epistemology, focusing on the Sensory-Motor Period. We conclude that, in Genetic Epistemology, space is still thought of as an a priori form of phenomena in the sense that the notion of space is what spatially organizes the data of perception, being the condition of perception. Furthermore, it is not directly abstracted from experience, but is constructed by the epistemic subject in its interaction with the environment, occurring with the structuring of the system of schemes of action. This analysis leads to the notion of the constructed a priori that, after its construction, has the characteristics of the a priori as conceived by Kant.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Matematica Aplicada e Computacional - FCT

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Thin walled cylindrical shells are widely used in many areas of industry, including civil, mechanical, nuclear, marine, petroleum and aerospace engineering. The wide application of thin cylindrical shells and the importance of instability phenomenon are the motivation basis to this study, since these factors have a great importance in engineering projects. It is presented a detailed study about the instability of cylindrical shells based on theoretical calculation, which results are compared with finite elements method calculation. The loading and boundary conditions analyzed are based on the most common types verified in real engineering projects and refer respectively to lateral (external) pressure and cylinders with simply supported edges. The calculation based on the finite elements method was executed with ANSYS 13.0 software. The results obtained with this calculation are in good agreement with the analytical theory presented in the technical note NACA No 1341 (BATDORF, 1947) considering a wide range of applicability. On the other hand, the analytical method presented in the book Theory of Elastic Stability (TIMOSHENKO; GERE, 1936) has a very restrict applicability and has presented considerable deviations in a great sort of the analyzed cases

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The objective of this work was collect information of articles published previously and carry out a study about them, including contents and interesting stuff that bring growth regarding the construction residues utilization and demolition (RCD), that today provides many environmental impacts. The need of utilization of the RCD in Brazil and in the world earned bigger attention world speaking, therefore the industry of the civil construction is had as one of the biggest present residues output springs. For it present a point that can be applied the RCD, is discussed in that work the kinds and structures of floors, where are presented the layers and, finally, a short argument about the possible and economic feasabilities job of the residues recycled in some layers of the structure of floor

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The change in design of a building can occur during its construction process, especially when this change involves greater amount of profit for the building company, as it is the case of adding extra floors. However, there must be an analysis of the structure of the building in order to see if it is possible to increase the number of floors without the need of reinforcement, as this need would result in higher costs for the building company. This graduation report presents this analysis by using the methods of third order verification of reinforced concrete structures