65 resultados para Conjecture de Yau


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This study had two objectives: to build theoretically the hypothetical landmarks of the environmental crisis and to conjecture new horizons or utopias which can fulfill themselves in the future in search of another being of the man in the world. Therefore, a bibliographic research has been done and, as methodology of analysis, a dialectic critical method has been used to understand the reality in its contradictions and in the totality of the history, through some suggestions, going toward the domain of the state of things which we can verify in the world nowadays. It has been observed that the hypothetical landmarks of the environmental crisis had and have its origins in the Jewish-Christian monotheism, in the exacerbation of the reason as the only way of knowledge and in the process of capitalist accumulation. Therefore, these landmarks, in almost their totality, have historically been built even before the advent of the capitalism. From this point, three suggestions were launched as questions, or so, possibilities, to open a discussion about the construction of another paradigm: Is it necessary another sense of religion? Is it necessary another sense of reason? Is it necessary another sense of sustainable development? Thus, these questions which have been launched, were thought as the current necessities for the environmental education and they implicate in another historical condition to the mankind.

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Pós-graduação em Matemática em Rede Nacional - IBILCE

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Pós-graduação em Artes - IA

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Pós-graduação em Física - IFT

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In this work, the author looks forward to develop a new method capable of incorporate the concepts of the Reliability Theory and Ruin Probability in Deep Foundations, in order to do a better quantification of the uncertainties, which is intrinsic in all geotechnical projects, meanly because we don't know all the properties of the materials that we work with. Using the methodologies of Decourt Quaresma and David Cabral, resistance surfaces have been developed utilizing the data achieved from the Standard Penetration Tests performed in the field of study, in conjecture with the loads defined in the executive project of the piles. The construction of resistance surfaces shows to be a very useful tool for decision making, no matter in which phase it is current on, projecting or execution. The surfaces were developed by Kriging (using the software Surfer® 12), making it easier to visualize the geotechnical profile of the field of study. Comparing the results, the conclusion was that a high safety factor doesn't mean higher security. It is fundamental to consider the loads and resistance of the piles in the whole field, carefully choosing the project methodology responsible to define the diameter and length of the piles