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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
91

A constru??o [X-vel]Adjetivo: uma abordagem funcional centrada no uso / [X-VEL]Adjective construction: a usage-based functional approach

Jovem, Manuella Soares 30 May 2017 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-10-02T21:56:47Z No. of bitstreams: 1 ManuellaSoaresJovem_DISSERT.pdf: 936095 bytes, checksum: e96aa08bb38f318ac420bb211bfefa2c (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-10-05T23:00:33Z (GMT) No. of bitstreams: 1 ManuellaSoaresJovem_DISSERT.pdf: 936095 bytes, checksum: e96aa08bb38f318ac420bb211bfefa2c (MD5) / Made available in DSpace on 2017-10-05T23:00:33Z (GMT). No. of bitstreams: 1 ManuellaSoaresJovem_DISSERT.pdf: 936095 bytes, checksum: e96aa08bb38f318ac420bb211bfefa2c (MD5) Previous issue date: 2017-05-30 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq) / Este estudo tem como foco central adjetivos formados pelo sufixo -vel no portugu?s brasileiro, tomando-os como uma constru??o, ou seja, como o pareamento de forma e fun??o. O objetivo principal ? descrever e explicar formal e funcionalmente a constru??o [X-vel]Adjetivo. Como aporte te?rico, recorre-se ? Lingu?stica Funcional Centrada no Uso, conforme defendida, por exemplo, em Cezario e Furtado da Cunha (2013), e em Oliveira e Ros?rio (2015). Essa corrente de pesquisa conjuga o Funcionalismo norte-americano, representado por linguistas como, por exemplo, Talmy Giv?n, Paul Hopper, Joan Bybee, Sandra Thompson, e a Gram?tica de Constru??es, na linha de Adele Goldberg, William Croft, Elizabeth Traugott e Graeme Trousdale. Apoiada nessa perspectiva, a investiga??o se baseia na ideia de que as l?nguas s?o constitu?das por uma rede de constru??es hierarquizadas e inter-relacionadas. Nesta pesquisa, toma-se como base a orienta??o metodol?gica da pesquisa qualitativa com suporte quantitativo. Os dados utilizados para a an?lise foram coletados, principalmente, do Corpus Discurso e Gram?tica, composto de textos orais e escritos, subdivididos em cinco tipos textuais, produzidos por informantes de cinco cidades brasileiras e de variados n?veis de escolaridade. Al?m disso, foram utilizados tamb?m textos de tipologias diversas dispon?veis em ambiente eletr?nico, por meio do servidor de dados Google. Os resultados desta pesquisa comprovam a import?ncia do estudo dos adjetivos em -vel a partir de seus aspectos formais e funcionais, revelando diferentes motiva??es implicadas em seus usos. Ademais, algumas ocorr?ncias atestam a presen?a do processo de extens?o sem?ntica relacionado a cenas transitivas e ? estrutura argumental subjacente ?s bases derivacionais na forma??o desses adjetivos. Desse modo, corrobora-se a ideia de que os adjetivos formados pelo sufixo -vel preservam a sem?ntica de passividade e de possibilidade, uma vez que se relacionam com referentes passivos/n?o agentivos. / Adjectives formed by suffix -vel in Brazilian Portuguese are the focus of this study, considering as a construction, such as form-meaning pairing. The main objective is to describe both formally and functionally the [X-vel]Adjective Construction. Lingu?sticaFuncionalCentrada no Uso is being used as theoretical support, as shown by Cezario and Furtado da Cunha (2013), Oliveira and Ros?rio (2015). This research stream is the combination of US Functionalism (Talmy Giv?n, Paul Hopper, Joan Bybee, Sandra Thompson) with Construction Grammar (Adele Goldberg, William Croft, Elizabeth Traugott and Graeme Trousdale). That investigation is based on the notion that languages consists of a hierarchal and interrelated construction network. For this, it is based on the methodological assumptions of qualitative research backed by quantitative research. The data collection is carried out mainly from Corpus Discurso e Gram?tica (Corpus D&G), that are composed of both oral and written texts, and subdivided into five text types, which were generated by informants from five Brazilian cities and with different levels of education. In addition, texts of different typologies in virtual environments, which were obtained from Google server, have also been used. The research results confirm the importance of studies about adjectives formed by suffix -vel from its formal and functional aspects, bringing up several motivations pertinent to its usage. Moreover, part of occurrences confirms the existence of semantic extension process associated to both transitive scenes and argumentative structure underlying to derivational basis in the formation of these adjectives. Thereby, it validates the previous idea that some of them preserve both passivity and possibility meanings, since they are related to passive/non-agentive referents.
92

A apropria??o do poder hegem?nico da ci?ncia em revistas de divulga??o cient?fica: estrat?gias sociodiscursivas

Santos, Paulo S?rgio da Silva 20 March 2017 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-10-18T19:23:29Z No. of bitstreams: 1 PauloSergioDaSilvaSantos_TESE.pdf: 1896244 bytes, checksum: 19f9b06c9ff2a924738d778da3e44f23 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-10-18T22:09:15Z (GMT) No. of bitstreams: 1 PauloSergioDaSilvaSantos_TESE.pdf: 1896244 bytes, checksum: 19f9b06c9ff2a924738d778da3e44f23 (MD5) / Made available in DSpace on 2017-10-18T22:09:15Z (GMT). No. of bitstreams: 1 PauloSergioDaSilvaSantos_TESE.pdf: 1896244 bytes, checksum: 19f9b06c9ff2a924738d778da3e44f23 (MD5) Previous issue date: 2017-03-20 / A presente pesquisa pretende estudar a apropria??o do poder hegem?nico da ci?ncia pelas redes editoriais de divulga??o cient?fica. Para tal, o objetivo geral est? pautado em discutir as estrat?gias sociodiscursivas empregadas pelas redes editoriais da divulga??o cient?fica para apropria??o do poder hegem?nico da ci?ncia, considerando, nessa din?mica, os modos de constru??o simb?lica atrav?s dos quais, estas constituem-se em Sistemas Peritos. Assim, analisaremos uma materialidade discursiva composta a partir de um corpus semiestruturado de 16 exemplares coletados. Os ve?culos de divulga??o cient?fica, ao tomarem a voz da ci?ncia para si, passam a usufruir de controle e prest?gio social exercidos pelo pr?prio discurso cient?fico em detrimento da sociedade classificada como ?leiga? na rela??o com o saber e m?todo cient?fico. Portanto, as redes editoriais que sustentam as revistas de divulga??o da ci?ncia t?m, tal qual um l?cus privilegiado de excel?ncia t?cnica, regulamentado a vida material dos cidad?os, agindo como um Sistema Perito, como designou Giddens (1991, 2002). Dessa forma, as pessoas est?o envolvidas em diversos sistemas que dominam, organizam e, de certa forma, sugerem modos de vida. S?o sistemas important?ssimos nos quais todos depositam confian?a. Assim sendo, o termo ?ci?ncia? encapsula metaforicamente esses sistemas socialmente legitimados e as revistas de divulga??o da ci?ncia t?m buscado usufruir dessa legitimidade, como se dela fosse parte a fim de sobreviver no mercado editorial brasileiro. Por isso, faz-se importante entender como o dom?nio do discurso cient?fico, tanto quanto o da divulga??o cient?fica proporcionam acesso a recursos materiais e inst?ncias de poder. A pesquisa est? fundamentada, principalmente, na An?lise Cr?tica do Discurso, a partir do marco anal?tico proposto por Fairclough (2001 [2008], 2003), Chouliaraki e Fairlcough (1999), para aprofundamento das quest?es referentes ? intertextualidade e ao hibridismo de g?nero das pr?ticas discursivas das redes editoriais da divulga??o cient?fica. A Abordagem Sociol?gica e Comunicacional do Discurso, por sua vez, apontar? a an?lise para as quest?es concernentes ? Comunica??o para a Mudan?a Social e aos tipos de poder, a partir de uma retextualiza??o de Bajoit (2006) proposta por Pedrosa (2012, 2013). Buscamos, ainda, revelar os mecanismos de naturaliza??o que contribuem para a constru??o simb?lica atrav?s dos modos de opera??o da ideologia descritos por Thompson (2009). E, por fim, o conceito de confian?a desenvolvido por Giddens (1991, 2002), nesse contexto, lan?ar? luz acerca do esvaziamento de tempo e espa?o como estrat?gia de universaliza??o do discurso das revistas de divulga??o cient?fica.Metodologicamente, a pesquisa est? situada em um paradigma qualitativo, inserido no ?mbito das Ci?ncias Humanas e Sociais, com foco na Lingu?stica Aplicada (LA). A LA vem desenvolvendo di?logos com as teorias sociais cr?ticas para a constru??o de um campo de estudos que extrapola a rela??o entre teoria e pr?tica e leva em considera??o todos os interactantes das situa??es estudadas. O resultado desenhou o perfil das duas principais publica??es de divulga??o cient?fica do mercado brasileiro.Ficou demonstrado de forma clara que se trata de verdadeiras arenas discursivas. A din?mica de funcionamento revelou mecanismos que contribuem para naturaliza??o de um hegemonismo artificial a ser desempenhado por esse tipo de publica??o. Essas din?micas e padr?es revelados pelo corpus da pesquisa indicam a necessidade de uma maior e mais ampla discuss?o em torno dos ve?culos de divulga??o de informa??es cient?ficas. / The present research intends to study the appropriation of science?s hegemonic power by the editorials of scientific divulgation. To that purpose, the general objective is to discuss the socio-discursive strategies employed by the publishing networks of scientific dissemination for the appropriation of the hegemonic power of science, considering in this dynamics the concept of symbolic construction through which it constitutes an expert systems. Thus, we will analyze a discursive materiality composed of a semi structured corpus of 16 collected copies. The dissemination vehicles of science, taking the voice of science to themselves, come to enjoy control and social prestige exercised by scientific discourse to the detriment of society classified as "lay" in relation to scientific knowledge and method. Therefore, the editorial networks that support the magazines of science dissemination have, as a privileged locus of technical excellence, regulated the material life of citizens, acting as an Expert System, according to what Giddens (1991, 2002) has designated. In this way, people are involved in various systems that dominate, organize and, to a certain extent, suggest ways of life. They are very important systems in which everyone places trust. Thus, the term 'science' metaphorically encapsulates these socially legitimized systems and the magazines of science dissemination have sought to enjoy this legitimacy, as if it were part of them, in order to survive in the Brazilian publishing market. Therefore, it is important to understand how the domain of scientific discourse as well as that of scientific dissemination provides access to material resources and instances of power. The research is based mainly on the Critical Discourse Analysis, from the analytical framework proposed by Fairclough (2001 [2008], 2003), Chouliaraki and Fairlcough (1999), to deepen the questions related to intertextuality and gender hybridity from the discursive practices of the editorial networks of scientific dissemination. The Sociological and Communicational Approach of the Discourse, in turn, will point the analysis to the questions concerning the Communication for Social Change and the types of power, from a re-contextualization of Bajoit (2006) proposed by Pedrosa (2012, 2013). We further try to reveal the mechanisms of naturalization that contribute to symbolic construction through the modes of operation of ideology described by Thompson (2009). And finally, the concept of trust developed by Giddens (1991, 2002), in this context, will shed light on the emptying of time and space as a strategy for the universalization of the discourse of scientific journals. Methodologically, the research is situated in a qualitative paradigm, inserted in the scope of Human and Social Sciences, focusing on Applied Linguistics (LA). LA has been developing fruitful dialogues with critical social theories to build a field of study that extrapolates the relationship between theory and practice and takes into account all the interacting situations studied, breaking the logic of established voices. Therefore, the research is framed in a transdisciplinary and critical perspective as it requires the recent practice in the field of Applied Linguistics. LA has been developing dialogues with critical social theories for the construction of a field of studies that extrapolates the relation between theory and practice and takes into account all the interactants of the studied situations. The result drew the profile of the two main scientific dissemination publications in the brazilian market. It has been clearly demonstrated that these are real discursive arenas. The dynamics of functioning revealed mechanisms that contribute to the naturalization of an artificial hegemony to be performed by this type of publication. These dynamics and patterns revealed by the corpus of research indicate the need for a broader and wider discussion about the vehicles for disseminating scientific information.
93

Gerenciamento de resultados em companhias brasileiras do setor da cons-tru????o civil

Marcelli, Rodrigo 30 August 2013 (has links)
Made available in DSpace on 2015-12-03T18:35:28Z (GMT). No. of bitstreams: 1 Rodrigo_Marcelli.pdf: 1102111 bytes, checksum: 47b82f8805814148944b78cd504fb0f2 (MD5) Previous issue date: 2013-08-30 / In the last few years, Brazil has undergone a profound change in the way companies are pro-vided with access to capital markets; this has required greater transparency in the preparation of financial statements and disclosure of accounts. Recent scandals in the history of the finan-cial markets that have involved the practice of accounting choices for the purpose of managing results, require users of this information to be increasingly well prepared. This study seeks to analyze the existence of evidence of management practices in the results of financial state-ments of Brazilian construction companies listed in the BM & FBovespa in the period 2000-2012. The approach adopted for the detection of results management was based on the specif-ic accruals used for panel data methods with the development and employment of a particular model that follows the pattern of the Generalized Linear Mixed Model (GLMM). The re-search revealed that the financial statements published by the Brazilian building constructors for the years 2003-2006 and 2009-2010, show signs of results management with the use of the liquid variable for the amount of real estate sold. The results also suggest that large-sized Bra-zilian building constructors tend to manage their results more than small-sized firms. On the basis of the findings of this research, it is clear that information is not being disclosed that allows an assessment of the quality and performance of companies. There is thus a need for a reform of financial disclosure policies with regard to factors linked to revenue recognition and measurement and in particular, the total budgeted costs of work performed (POC) and the scheduled completion percentage / Nos ??ltimos anos o Brasil passou por uma evolu????o no acesso de companhias ao mercado de capitais, exigindo maior transpar??ncia na elabora????o e divulga????o de informa????es cont??beis. Esc??ndalos recentes na hist??ria do mercado financeiro, envolvendo a pr??tica de escolhas cont??beis com objetivo de gerenciar resultados, exige que os usu??rios destas informa????es estejam cada vez mais preparados. Este estudo buscou analisar a exist??ncia de evid??ncias de pr??ticas de gerenciamento de resultados nas demonstra????es financeiras de construtoras brasileiras listadas na BM&FBovespa no per??odo de 2000 ?? 2012. A abordagem adotada para a identifica????o do gerenciamento de resultados foi de acumula????es espec??ficas (specifc accruals), utilizando a t??cnica de dados em painel com o desenvolvimento e aplica????o de modelo especifico seguindo a abordagem dos Modelos Lineares Generalizados Mistos. A pesquisa revelou que as demonstra????es financeiras publicadas pelas construtoras brasileiras nos anos de 2003 ?? 2006, 2009 e 2010 apresentam ind??cios de gerenciamento de resultado com a utiliza????o da vari??vel Receita l??quida de im??veis vendidos. Os resultados tamb??m apontam que as construtoras brasileiras de maior porte tendem a gerenciar seus resultados mais que as construtoras de menor porte. Com as descobertas desta pesquisa percebe-se que informa????es que permitam avaliar a qualidade e o desempenho das companhias n??o s??o divulgadas, necessitando de uma reforma nas pol??ticas de divulga????o das demonstra????es financeiras, principalmente sobre fatores atrelados a mensura????o e reconhecimento de receitas, em especifico, o custo or??ado total de obra e o percentual de obra conclu??da - POC
94

An?lise da viabilidade de aplica??o de res?duos da constru??o civil da Regi?o Metropolitana de Campinas em argamassas de uso geral por m?todo multicrit?rios / Analysis of the feasibility of applying construction waste from the Metropolitan Region of Campinas to mortars of general use by multi-criteria method

Petitto, R?gia Mara 21 June 2017 (has links)
Submitted by SBI Biblioteca Digital (sbi.bibliotecadigital@puc-campinas.edu.br) on 2017-08-07T13:10:24Z No. of bitstreams: 1 R?GIA MARIA PETITTO.pdf: 3577833 bytes, checksum: 125f036f5ae5942ebbd9906d675670d3 (MD5) / Made available in DSpace on 2017-08-07T13:10:24Z (GMT). No. of bitstreams: 1 R?GIA MARIA PETITTO.pdf: 3577833 bytes, checksum: 125f036f5ae5942ebbd9906d675670d3 (MD5) Previous issue date: 2017-06-21 / The objective of this work was to characterize the recycled aggregates generated in the metropolitan region of Campinas and to test its application in the production of mortars for general use. From a qualitative approach, with an exploratory objective, the surveys of the current legislation and legal requirements imposed to solid waste management and the panorama of this management in the metropolitan region of Campinas were carried out. The six recycling plants for the disposal of construction waste (RCC) generated in the implanted municipalities were identified and, based on the data collected, a map with the geographic location of these plants was elaborated. After the sample collection, with a quantitative approach of applied nature and exploratory objective, analyzes of the physical characteristics were made (grain size composition, 75 ?m sieve material, water absorption, clay cladding content and friable materials, Specific mass and organic impurity) and chemical (soluble salts and organic matter content by fire loss) of these materials. All the analyzed aggregates presented satisfactory results in the granulometric composition and water absorption tests. Regarding the content of fine material (less than 75 ?m), clay content and friable materials and organic impurities, few samples could be accepted for use recommended by the Brazilian Association of Technical Standards (ABNT). The analysis of the soluble salts content would also make it impossible to accept the aggregate of some suppliers. With the replacement of natural aggregate by the recycled aggregates, mortars with a 1: 3 dash (cement: aggregate) were prepared, and 20 and 40% of the natural aggregate were replaced. The characteristics of the mortars in the fresh state (water retention, incorporated air content, mass density) and hardened (water absorption by capillarity, capillary coefficient, compressive strength, flexural tensile strength and apparent specific mass in the Hardened state). From the results obtained, the analytical Hierarchy Process (AHP) methodology showed the content of incorporation of the recycled aggregate in the production of general purpose mortars composed of cement and sand. For the application of this method, weights were assigned to punctuated criteria related to the physical and mechanical performance of mortars and environmental criteria related to the exhaustion of natural resources and transport distance. The best result was found in mortar with a 20% substitute content of mixed recycled aggregate by municipal unit from Campinas, but it is not possible to observe a tendency to obtain better results in mortars with lower substitution content, nor exclusively by mortars with mixed recycled aggregates. / O presente trabalho teve por objetivo caracterizar os agregados reciclados gerados na regi?o metropolitana de Campinas e testar sua aplica??o na produ??o de argamassas para uso geral. A partir de uma abordagem qualitativa, com objetivo explorat?rio, foram realizados os levantamentos da legisla??o vigente e exig?ncias legais impostas ? gest?o dos res?duos s?lidos e do panorama desta gest?o na regi?o metropolitana de Campinas. As seis usinas recicladoras para destina??o dos res?duos de constru??o civil (RCC) gerados nos munic?pios implantadas foram identificadas e, a partir dos dados coletados, elaborou-se um mapa com a localiza??o geogr?fica destas usinas. Ap?s a coleta de amostras, com abordagem quantitativa de natureza aplicada e objetivo explorat?rio, foram realizadas an?lises das caracter?sticas f?sicas (composi??o granulom?trica, teor de material passante na peneira de 75 ?m, absor??o de ?gua, teor de torr?es de argila e materiais fri?veis, massa espec?fica e impureza org?nica) e qu?micas (sais sol?veis e teor de mat?ria org?nica por perda ao fogo) destes materiais. Todos os agregados analisados apresentaram resultados satisfat?rios nos ensaios de composi??o granulom?trica e absor??o de ?gua. J? quanto ao teor de material fino (menor que 75 ?m), teor de torr?es de argila e materiais fri?veis e impurezas org?nicas, foram poucas as amostras que poderiam ser aceitas para o emprego recomendado pela Associa??o Brasileira de Normas T?cnicas (ABNT). A an?lise do teor de sais sol?veis tamb?m inviabilizaria a aceita??o do agregado de alguns fornecedores. Com a substitui??o de agregado natural pelos agregados reciclados foram preparadas argamassas com tra?o de 1:3 (cimento:agregado), e substitui??o de 20 e 40% do agregado natural. Foram determinadas as caracter?sticas das argamassas no estado fresco (reten??o de ?gua, teor de ar incorporado, densidade de massa) e endurecido (absor??o de ?gua por capilaridade, coeficiente de capilaridade, resist?ncia ? compress?o, resist?ncia ? tra??o na flex?o e massa especifica aparente no estado endurecido). A partir dos resultados obtidos verificou-se, por aplica??o do m?todo de avalia??o multicrit?rios, com a metodologia Analytic Hierarchy Process (AHP), o teor de incorpora??o do agregado reciclado na produ??o de argamassas de uso geral compostas por cimento e areia. Para a aplica??o deste m?todo foram atribu?dos pesos a crit?rios pontuados ligados ao desempenho f?sico e mec?nico das argamassas e crit?rios ambientais ligados ao esgotamento dos recursos naturais e dist?ncia de transporte. O melhor resultado foi encontrado na argamassa com teor de substitui??o de 20% de agregado reciclado misto da unidade municipal de Campinas, mas n?o ? poss?vel observar tend?ncia de obter melhores resultados em argamassas com menor teor de substitui??o, nem t?o pouco exclusivamente por argamassas com agregados reciclados mistos.
95

An?lise da Permeabilidade e da Colmata??o em Concretos Perme?veis produzidos com Agregado Reciclado de Concreto / Permeability and Clogging in Pervious Concrete with Construction residues aggregate

Oliveira, Lilian Corpas Bucene 14 December 2017 (has links)
Submitted by SBI Biblioteca Digital (sbi.bibliotecadigital@puc-campinas.edu.br) on 2018-02-16T17:20:40Z No. of bitstreams: 1 LILIAN CORPAS BUCENE OLIVEIRA.pdf: 2456363 bytes, checksum: dfcf0b460775e677213c888d5bb3611d (MD5) / Made available in DSpace on 2018-02-16T17:20:40Z (GMT). No. of bitstreams: 1 LILIAN CORPAS BUCENE OLIVEIRA.pdf: 2456363 bytes, checksum: dfcf0b460775e677213c888d5bb3611d (MD5) Previous issue date: 2017-12-14 / Funda??o de Amparo ? Pesquisa do Estado de S?o Paulo - FAPESP / The growth of urban centers has created new challenges for construction activities. It?s not only the environmental point of view, but also from logistical and economic reasons, two aspects that stand out, which are the management of rainwater and a destination of solid construction and demolition residues aggregate (RCD) . One of the alternatives to relieve the drainage system is the pervious concrete pavement (PCP), which allow infiltration of water into the base or soil, reducing floodings, water accumulations on roads and improving aquifers supply. The PCP employs in its composition, little or no fine aggregates, what providing a higher a volume of voids to the element, and consequently permeability. The addition of RCD in the pervious concrete?s composition is justified both by the increasing difficulty of disposal of these materials and by the reduction of the extraction of natural aggregates, favoring a reduction of the environmental impacts generated by the civil construction. Therefore, the production of pavement using pervious concrete made with recycled concrete aggregate (ARC) is one of the alternatives that has been researched to reduce the environmental impact of construction, protecting water resources and being able to avoid flood areas of flood with a lower consumption of natural goods. The effectiveness of water infiltration capability can be partially compromised due to the occurrence of clogging, which is influenced by the type and size of the infiltrated sediment into to the water and the precipitation intensity. This research studied two different types of PCP, produced with and without ARC, evaluating their behavior regarding mechanical, physical and hydraulic properties. A comparison was also made between different types of sediments to simulate the permeation of the pervious concrete. For this, laboratory studies were carried out and also equipment was developed to simulate a real situation of application of this type of concrete. It was observed the influence on the characteristics of PCP, with the use of ARC, as well as the permeability index after filling with various types of materials. The PCP using recycled aggregates obtained a satisfactory result, it was also verified that the test method to obtain the permeability index or the infiltration rate influenced in the analysis. It may also be noted that the adaptation of ?in situ? laboratory tests performed in the laboratory has not been shown to be adequate to the actual situation due to the influence of the floor base. / O crescimento dos centros urbanos tem produzido novos desafios ?s atividades da constru??o civil. N?o apenas do ponto de vista ambiental, mas tamb?m por quest?es log?sticas e econ?micas, dois aspectos v?m se destacando no ?mbito do setor nas grandes metr?poles, que s?o o manejo de ?guas de chuvas e a destina??o de res?duos s?lidos de constru??o e demoli??o (RCD). Uma das ferramentas que pode ser utilizada para aliviar o sistema de drenagem ? o emprego de pavimentos de concreto perme?vel (PCP), que permitem a infiltra??o de ?gua na base ou no solo, diminuindo os picos de cheia, ac?mulos de ?gua nas vias p?blicas, melhorando o abastecimento dos aqu?feros. O PCP ? uma mistura que emprega na sua composi??o pouco ou nenhum agregado mi?do, proporcionando maior ?ndice de vazios ao concreto, e consequentemente um elevado coeficiente de permeabilidade. A adi??o do RCD na composi??o do concreto perme?vel justifica-se tanto pela crescente dificuldade de descarte desses materiais quanto pela redu??o da extra??o de agregados naturais, propiciando uma redu??o dos impactos ambientais gerados pela constru??o civil. Portanto, a produ??o de pisos, usando o PCP elaborado com o agregado reciclado de concreto (ARC) proveniente do RCD, ? uma das alternativas que v?m sendo pesquisada para reduzir o impacto ambiental da constru??o, protegendo os recursos h?dricos e evitando ?reas de inunda??o com um menor consumo de bens naturais. A efic?cia da taxa de infiltra??o da ?gua de chuva no concreto perme?vel pode ser parcialmente comprometida devido ? ocorr?ncia da colmata??o, que ? influenciada pelo tipo e tamanho do sedimento infiltrado junto ? ?gua e a intensidade da precipita??o. Esta pesquisa estudou dois diferentes tipos de PCP, produzidos com e sem ARC, avaliando seu comportamento quanto ?s propriedades mec?nicas, f?sicas e hidr?ulicas. Tamb?m foi realizada uma compara??o entre diferentes tipos de sedimentos para simula??o da colmata??o do concreto perme?vel, para tal, foram realizados estudos em equipamentos desenvolvidos para simula??o do processo de colmata??o em um canteiro real. Observou-se a influ?ncia nas caracter?sticas do PCP, com o emprego do ARC, bem como a taxa de infiltra??o ap?s colmata??o com v?rios tipos de materiais. O emprego do ARC propiciou resultado satisfat?rio nas caracter?sticas do concreto perme?vel e verificou-se que os m?todos de ensaio para obten??o do coeficiente de permeabilidade ou da taxa de infiltra??o influenciam na an?lise do concreto perme?vel. Tamb?m pode-se notar que a adapta??o de ensaios para an?lise ?in loco? reproduzidos em laborat?rio n?o se mostrou adequada ? situa??o real devido a influ?ncia da base dos pavimentos.
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Sentidos do trabalho e da carreira profissional na ?tica dos empregados: o caso de uma funda??o de previd?ncia e assist?ncia social / The meanings of work and professional career in the employees optics: the case of a social security and assistance company

PENHA, Adriana 25 May 2017 (has links)
Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-11-27T16:27:56Z No. of bitstreams: 1 2017 - Adriana Penha.pdf: 2734823 bytes, checksum: 82cb01face559eaae8aff1afe55b3311 (MD5) / Made available in DSpace on 2018-11-27T16:27:56Z (GMT). No. of bitstreams: 1 2017 - Adriana Penha.pdf: 2734823 bytes, checksum: 82cb01face559eaae8aff1afe55b3311 (MD5) Previous issue date: 2017-05-25 / The conceptions about work and career have been suffering changes through time, as an answer to other changes brought by globalization, development of new technologies, global political scenario and to the human relations in organizations. Changes that reflect themselves in the work relations and on the meaning given by individuals to their work and career under the influence of their personal life experiences. In this context the employee becomes to be responsible for career management, according to how he perceives his own career and work, influencing on its management. Understanding how individuals perceive global work and career scenario is necessary to an effective reflection of organization actions over their professionals, and it allows alignment of expectations and perceptions in the employee-employer relationship. Since these expectations are not aligned and the promises made are not fulfilled, the perception of it is a breach of the psychological contract. The present research sought to identify the meaning attributed to work and it?s own careers, by the Social Security and Future Assistance Foundation (FPAF) employees, a closed supplementary pension entity. For this purpose, a data survey was carried out through interviews supported by the technique of drawing construction and semi-structured script, analyzed through phenomenography and inductive analysis. The outcomes indicate that the sense of work presents itself as a positive conception, assuming meanings of pleasure, subsistence, focus on individuals and society. With respect to the meaning attributed to career in FPAF, the vertical ascension concept is adopted, however, in practice it is only realised as a function (set of activities), with lack of recognition and appreciation, but without causing company layoffs once FAP?s guarantee of permanence is supported by the stability and security provided by the organization. Achieved results can subsidise company responsible personnel to drive actions and human resources in an appropriate manner to their reality regarding people's management, and not only been restrict to actions of just one Legal department. Despite of implementation of it?s Career and Compensation Plan in 2011, the expectation generated among employees was not been met, revealing a breach of the psychological contract. Results still point that despite of employees assign a positive conception of work, when it realises itself as a career in PFAF, they are dissatisfied how it is presented in the company. Thus maintaining, both sides, a satisfactorily minimum performance: There is no professional development, but there are also no layoffs. It is recommended that FPAP rethink it?s management practices related to employees career management and practical applicability level of current Career and Compensation Plan to reflect a career path beyond the traditional bureaucratic one that corresponds to an organizational scenario, stable and economically predictable that restricts employees to hold office and carry out its functions without perspectives of any professional development. / As concep??es sobre trabalho e carreira v?m sofrendo altera??es ao longo do tempo, em resposta ?s mudan?as advindas da globaliza??o, do surgimento de novas tecnologias, do cen?rio pol?tico mundial e das rela??es humanas nas organiza??es. Mudan?as que se refletem nas rela??es de trabalho e no sentido que os indiv?duos influenciados pelas suas viv?ncias pessoais atribuem ao trabalho e a sua carreira. Nesse contexto a responsabilidade da gest?o da carreira passa a ser tamb?m do empregado, de acordo com a forma como ele percebe o trabalho e a pr?pria carreira, influenciando no gerenciamento da mesma. Compreender como os indiv?duos percebem esse cen?rio do mundo do trabalho e da carreira ? necess?rio para que as a??es da organiza??o efetivamente tenham reflexo nos seus profissionais, e se propicie um alinhamento de expectativas e percep??es na rela??o empregado-empregador. Pois quando essas expectativas n?o est?o alinhadas e as promessas realizadas n?o s?o concretizadas, se percebe como uma quebra do contrato psicol?gico. A presente pesquisa buscou identificar o sentido do trabalho, atribu?do pelos empregados da Funda??o de Previd?ncia e Assist?ncia Futuro - FPAF, e o sentido atribu?do ? sua carreira na pr?pria empresa, uma Entidade Fechada de Previd?ncia Complementar. Para tanto, foi realizado levantamento de dados por meio de entrevistas apoiadas pela t?cnica da constru??o de desenhos e roteiro semi-estruturado, analisados por meio da fenomenografia e an?lise indutiva. Os resultados apontam que o sentido do trabalho se apresenta com concep??o positiva, assumindo os sentidos de prazer, subsist?ncia, foco no indiv?duo e na sociedade. Em rela??o ao sentido atribu?do a carreira na FPAF, a mesma assumiu o sentido de ascens?o vertical que na pr?tica se concretiza apenas como fun??o (conjunto de atividades), com aus?ncia de reconhecimento e valoriza??o, mas sem provocar desligamento da empresa pois, a perman?ncia na FPAF se respalda pela estabilidade e seguran?a que a empresa proporciona. Os resultados obtidos podem subsidiar os respons?veis da empresa para direcionar suas a??es de recursos humanos de maneira pertinente ? sua realidade no que tange a gest?o de pessoas, e n?o apenas se restringir a a??es de apenas um departamento pessoal. Apesar da implanta??o, no ano de 2011, do seu Plano de Carreira e Remunera??o, as expectativas geradas nos empregados n?o foram cumpridas se revelando uma quebra do contrato psicol?gico. Os resultados apontam ainda que apesar dos empregados atribu?rem ao trabalho um sentido positivo, quando o mesmo se materializa como carreira na FPAF, encontram-se insatisfeitos pela maneira como a carreira se apresenta na empresa. Se mantendo assim, por ambas as partes, um desempenho m?nimo satisfat?rio: n?o se tem desenvolvimento profissional, mas tamb?m n?o se tem desligamento. Recomenda-se que na FPAF se repense suas pr?ticas de gest?o referentes ao gerenciamento da carreira dos seus empregados e o n?vel de aplicabilidade pr?tica do vigente Plano de Carreira e Remunera??o para refletir trajet?rias de carreira al?m da tradicional burocr?tica correspondente a cen?rios organizacionais, econ?micos previs?veis e est?veis e restringe seus empregados a ocupar cargos e realizar fun??es sem perspectivas de desenvolvimento profissional.
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Caracteriza??o funcional de dois cDNAs hom?logos ? ciclofilina e ? prote?na reprimida por auxina (ARP) identificados em bibliotecas subtrativas a para flora??o em tomateiro

Estevam, Renata Kaline Souza 09 September 2011 (has links)
Made available in DSpace on 2014-12-17T14:03:38Z (GMT). No. of bitstreams: 1 RenataKSE_DISSERT.pdf: 1992793 bytes, checksum: 77e111c6a7208973429d97e0cf1a51eb (MD5) Previous issue date: 2011-09-09 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / Flowering is a fundamental process in the life cycle for plant. This process is marked by vegetative to reproductive apical meristem conversion, due to interactions between several factors, both internal and external to plant. Therefore, eight subtractive libraries were constructed using apical meristem induced or not induced for two contrasting species: Solanum lycopersicum cv. Micro-Tom and Solanum pimpinellifolium. Several cDNAs were identified and among these, were selected two cDNAs: one homologous cDNA to cyclophilin (LeCYP1) and the other to Auxin repressed protein (ARP). It has observed that LeCYP1 and ARP genes are important in the developmental process to plants. In silico analysis, were used several databases with the exclusion criterion E-value <1.0x10-15. As a result, conservation was observed for proteins analyzed by means of multiple alignments and the presence of functional domains. Then, overexpression cassettes were constructed for the ARP cDNA in sense and antisense orientations. For this step, it was used the CaMV35S promoter. The cDNA orientation (sense or antisense) in relation to the promoter was determined by restriction enzymes and sequencing. Then, this cassette was transferred to binary vector pZP211 and these cassettes were transferred into Agrobacterium tumefaciens LBA4404. S. lycopersicum cv. Micro-Tom (MT) and MT-Rg1 plants were transformed. In addition, seedlings were subjected to hormone treatments using a synthetic auxin (&#61537;- naphthalene acetic acid) and cyclosporin A (cyclophilin inhibitor) treatments and it was found that the hormone treatment there were changes in development of lateral roots pattern, probably related to decreases in auxin signaling caused by reduction of LeCYP1 in MT-dgt plants while cyclosporin A treatments, there was a slight delay in flowering in cv. MT plants. Furthermore, assay with real-time PCR (RT-qPCR) were done for expression level analysis from LeCYP1 and ARP in order to functionally characterize these sequences in tomato plants. / A flora??o ? fundamental no ciclo de vida de uma planta. Este processo ? marcado pela convers?o do meristema apical vegetativo em reprodutivo, devido a intera??es entre diversos fatores, tanto internos quanto externos ? planta. Diante disso, foram constru?das oito bibliotecas subtrativa utilizando ?pices meristem?ticos induzidos e n?o induzidos para a flora??o de duas esp?cies de tomateiro: Solanum lycopersicum cv Micro-Tom e S. pimpinellifolium. In?meros cDNAs foram identificados e dentre estes, foram selecionados o cDNA hom?logo a ciclofilina (LeCYP1) e a Prote?na Reprimida por Auxina (ARP) para a caracteriza??o in silico e funcional em esp?cie de tomateiro. Tem sido observado em outros sistemas vegetais que os genes LeCYP1 e ARP s?o importantes no processo de desenvolvimento da planta. Na an?lise in silico, foram utilizados diversos bancos de dados, tendo como crit?rio de exclus?o o E-value <1.0x10-15. Uma conserva??o para as prote?nas analisadas foi observada por meio dos alinhamentos m?ltiplos e a presen?a de dom?nios funcionais. Em seguida, foram realizadas constru??es de cassetes de superexpress?o para o cDNA hom?logo ? ARP em orienta??o senso e antissenso. Para esta etapa, foi utilizado o promotor forte CaMV35S presente no vetor intermedi?rio pBC (Stratagene). A orienta??o do cDNA (senso ou antissenso) em rela??o ao promotor foi determinada por meio de enzimas de restri??o e sequenciamento dos potenciais clones. Em seguida, este cassete foi transferido para o vetor bin?rio pZP211 e os clones obtidos foram confirmados pelo padr?o de restri??o utilizando diferentes enzimas. Subsequentemente, estes cassetes foram transferidos para a Agrobacterium tumefaciens LBA4404 e posteriormente transformado em plantas de S. lycopersicum cv. Micro-Tom (MT) e MT-Rg1. Em adi??o, pl?ntulas foram submetidas a tratamentos hormonais utilizando uma auxina sint?tica (?cido &#61537;-naftaleno ac?tico) e com ciclosporina A (inibidor de ciclofilina) e foi constatado que no tratamento hormonal houve altera??es no padr?o de desenvolvimento das ra?zes laterais, provavelmente relacionada ao d?ficit na sinaliza??o da auxina ocasionada pela redu??o de LeCYP1 em plantas MT-dgt, enquanto que no tratamento com ciclosporina A, ocorreu um atraso no florescimento de plantas cv MT. Al?m disso, ensaios de PCR em tempo real (RT-qPCR) foram efetuados para an?lise de express?o dos cDNAs hom?logos a LeCYP1 e ARP de modo a caracterizarmos funcionalmente estas sequ?ncias em plantas de tomateiro.
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Heur?sticas usando constru??o de vocabuil?rio aplicadas ao problema da atribui??o de localidades a an?is em redes SONET/SDH / Heuristics using vocabulary building to the Sonet ring assigment problem

Soares, Werner Kleyson da Silva 31 October 2009 (has links)
Made available in DSpace on 2014-12-17T14:52:44Z (GMT). No. of bitstreams: 1 WernerKSS.pdf: 2229557 bytes, checksum: 7a64dc1b94612cd78d88c6eb822d29e6 (MD5) Previous issue date: 2009-10-31 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / The SONET/SDH Ring Assignment Problem (PALAS) treats to group localities in form of some rings, being respected the traffic's limitations of the equipment. Each ring uses a DXC (Digital Cross Connect) to make the communication with the others, being the DXC the equipment most expensive of the net, minimizing the number total of rings, will minimize the total net cost, problem's objective . This topology in rings provides a bigger capacity of regeneration. The PALAS is a problem in Combinatorial Optimization of NP-hard Class. It can be solved through Heuristics and Metaheuristics. In this text, we use Taboo Search while we keep a set of elite solutions to be used in the formation of a part of the collection of vocabulary's parts that in turn will be used in the Vocabulary Building. The Vocabulary Building will be started case Taboo Search does not reach the best solution for the instance. Three approaches had been implemented: one that only uses vocabulary's parts deriving of Taboo Search, one that it only uses vocabulary's parts randomly generated and a last one that it uses half come of the elite and half randomly generated / O Problema da Atribui??o de Localidades a An?is em Redes SONET/SDH (PALAS) trata de agrupar localidades em forma de v?rios an?is, respeitando as limita??es de tr?fego dos equipamentos. Cada anel utiliza um DXC (Digital Cross Connect) para fazer a comunica??o com os outros, sendo o DXC o equipamento mais caro da rede, minimizando o total de an?is, minimizaremos o custo total, objetivo do problema. Essa topologia em an?is proporciona uma maior capacidade de regenera??o. O PALAS ? um problema de Otimiza??o Combinat?ria da Classe NP-dif?cil. Pode ser resolvido atrav?s de Heur?sticas e Metaheur?sticas. Neste trabalho, utilizamos a Busca Tabu enquanto guardamos um conjunto de solu??es elite para serem utilizadas na forma??o de uma parte da cole??o de voc?bulos que por sua vez ser?o usados na Constru??o de Vocabul?rio para a solu??o desse problema. A Constru??o de Vocabul?rio ser? acionada caso a Busca Tabu n?o atinja o ?timo para a inst?ncia. Foram implementadas tr?s abordagens: uma que utiliza somente voc?bulos oriundos da Busca Tabu, uma que utiliza somente voc?bulos gerados aleatoriamente e uma ?ltima que utiliza metade vinda da elite e metade aleat?ria
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Qualidade em obras p?blicas: um estudo comparativo entre as metodologias Seis Sigma, ISO 9000 e PBQP-H no RN / Quality in public construction: a comparative study of the methodologies Six Sigma, ISO 9000 and PBQP-H in the state of Rio Grande do Norte - Brazil

Oliveira, Karina Angelica de Souza Lima e 19 May 2009 (has links)
Made available in DSpace on 2014-12-17T14:52:46Z (GMT). No. of bitstreams: 1 KarinaASLO.pdf: 796731 bytes, checksum: 099dea11106648c012724e28f6653735 (MD5) Previous issue date: 2009-05-19 / In Brazil the theme quality in public construction has been widely discussed in the early 1990s, with the creation of the Brazilian Program of Quality and Productivity for the Habitat (PBQP-H) which is strongly influenced by the wave of studies on issues of quality in the world, such as the ISO 9000. Over the years, other approaches have emerged and been consolidated, evolving from market and customer?s needs. An example is the Six Sigma methodology. This study aims to examine the Six Sigma, ISO 9000 and PBQP-H methodologies, noting the common elements, differences, gaps and how the methods are complementary, so that with the ongoing work, proposed initiatives can be developed to improve the quality that enables its application in public construction. Still aiming to optimize the deployment of the proposed initiatives, it was performed an analysis of ISO 9001 and PBPQ-H certifications in Brazil and in the state of Rio Grande do Norte, with respect to the construction industry and a case study to identify the factors that influence the adoption of initiatives to improve quality, and check if the selected construction company is prepared to implement the proposed initiatives. This research is characterized as exploratory and applied, with literature review and a case study. The data collection instrument was a questionnaire and the statistical analysis used a multidimensional scaling method. The conclusion is that the methodologies are compatible and complementary, and their integration could potentialize the goals set. It was identified that the state of Rio Grande do Norte has a few number of certifications in construction. Nine initiatives are proposed for implementation at construction companies. In the case study it was found that the studied company would be able to implement the suggestions proposed and the requirement for certification by clients and funding institutions influence the adoption of quality improvement initiatives. This result confirms the literature which states that top management support is crucial for the successful implementation of quality methodologies / No Brasil o tema qualidade em obras p?blicas foi bastante discutido no in?cio da d?cada de 1990, com o advento do Programa Brasileiro de Qualidade e Produtividade do Habitat PBQP-H, sendo este fortemente influenciado pela onda de estudos das quest?es de qualidade em todo mundo, como por exemplo, a ISO 9000. Com o passar dos anos, outras metodologias surgiram e se consolidaram, evoluindo com as necessidades do mercado e dos clientes. Um exemplo ? a metodologia Seis Sigma. Este trabalho tem por objetivo analisar as metodologias Seis Sigma, ISO 9000 e PBQP-H, observando os elementos comuns, as diferen?as, as lacunas e como as metodologias se complementam, de modo que com decorrer do trabalho possam ser elaboradas propostas de iniciativas de melhoria da qualidade que possibilitem sua aplica??o em construtoras de obras p?blicas. Buscando a otimiza??o da implanta??o das iniciativas propostas, foram realizados uma an?lise do perfil das certifica??es ISO 9001 e PBPQ-H no Brasil e Rio Grande do Norte (RN) com rela??o ? ind?stria da constru??o civil e um estudo de caso para identificar quais os fatores que influenciam na ado??o de iniciativas de melhoria da qualidade, al?m de verificar se a construtora estudada est? preparada para ado??o das propostas deste trabalho. A pesquisa ? caracterizada como explorat?ria e aplicada, em que foram realizados pesquisa bibliogr?fica e um estudo de caso. O instrumento de coleta foi do tipo question?rio e a an?lise estat?stica utilizou um m?todo de escalagem multidimensional. Chegou-se a conclus?o que as metodologias s?o compat?veis e complementares, e que a integra??o destas poder? potencializar os objetivos estipulados. Foi identificado que o RN tem um baixo ?ndice de certifica??o em constru??o civil. Chegou-se a uma proposta de nove iniciativas que podem ser adotadas pelas empresas construtoras. No estudo de caso foi verificado que a empresa estudada estaria apta a implantar as sugest?es propostas, que a exig?ncia de certifica??o pelos clientes e ?rg?os financiadores influencia na ado??o de iniciativas de melhoria da qualidade al?m de confirmar a literatura que diz que o apoio da alta ger?ncia ? fundamental para o sucesso da implanta??o das metodologias de qualidade
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Algoritmo evolutivo paralelo para o problema de atribui??o de localidades a an?is em redes sonet/sdh / Parallel evolutionary algorithm to the sonet/sdh ring assigment problem

Oliveira, Wagner de 17 March 2010 (has links)
Made available in DSpace on 2014-12-17T14:52:49Z (GMT). No. of bitstreams: 1 WagnerO_DISSERT.pdf: 4964124 bytes, checksum: 34ed6ffd6dcd720ddf12631ffd06a3d6 (MD5) Previous issue date: 2010-03-17 / The telecommunications play a fundamental role in the contemporary society, having as one of its main roles to give people the possibility to connect them and integrate them into society in which they operate and, therewith, accelerate development through knowledge. But as new technologies are introduced on the market, increases the demand for new products and services that depend on the infrastructure offered, making the problems of planning of telecommunication networks become increasingly large and complex. Many of these problems, however, can be formulated as combinatorial optimization models, and the use of heuristic algorithms can help solve these issues in the planning phase. This paper proposes the development of a Parallel Evolutionary Algorithm to be applied to telecommunications problem known in the literature as SONET Ring Assignment Problem SRAP. This problem is the class NP-hard and arises during the physical planning of a telecommunication network and consists of determining the connections between locations (customers), satisfying a series of constrains of the lowest possible cost. Experimental results illustrate the effectiveness of the Evolutionary Algorithm parallel, over other methods, to obtain solutions that are either optimal or very close to it / As telecomunica??es desempenham um papel fundamental na sociedade contempor?nea, tendo como um de seus principais pap?is o de conceder ?s pessoas a possibilidade de conect?-las e integr?-las ? sociedade em que vivem e com isso acelerar o desenvolvimento por meio do conhecimento. Mas, ? medida que novas tecnologias s?o introduzidas no mercado, cresce tamb?m a demanda por novos produtos e servi?os que dependem da infraestrutura oferecida, tornando os problemas de planejamento de redes de telecomunica??es cada vez maiores e mais complexos. Muitos desses problemas, no entanto, podem ser formulados como modelos de Otimiza??o Combinat?ria, e o uso de algoritmos heur?sticos podem ajudar a solucionar essas quest?es da fase de planejamento. Este trabalho prop?e o desenvolvimento de um Algoritmo Evolutivo paralelo a ser aplicado ao problema de telecomunica??es conhecido na literatura por Problema de Atribui??o de Localidades a An?is em Redes SONET/SDH ou PALAS. Esse problema ? da classe NP-dif?cil e surge durante a etapa do planejamento f?sico da rede e consiste na determina??o das conex?es entre localidades (clientes), de modo a satisfazer uma s?rie de restri??es ao menor custo poss?vel. Os resultados dos experimentos ilustram a efici?ncia do Algoritmo Evolutivo paralelo, sobre outros m?todos, em obter solu??es ?timas ou muito pr?ximas do valor ?timo

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