Dissertações em Engenharia de Infraestrutura e Desenvolvimento Energético (Mestrado) - PPGINDE/NDAE/Tucuruí
URI Permanente para esta coleçãohttps://repositorio.ufpa.br/handle/2011/9401
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Item Acesso aberto (Open Access) Análise da vida útil e o custo de reparo de fachadas de edificações verticais(Universidade Federal do Pará, 2020-02-28) VELOSO, Thiago Pinheiro; MAUÉS, Luiz Maurício Furtado; http://lattes.cnpq.br/7497951647889934; https://orcid.org/0000-0002-1762-8617The façades of buildings have frequently presented levels of degradation higher than desired in recent years, exposing problems related to quality and durability, characterized by premature aging due, above all, to the appearance of pathological manifestation. Such complications cause several problems, affecting use, aesthetics, safety, and above all the durability of the buildings. With the advent of the Performance Standard (ABNT, 2013), it was possible to create durability parameters for all elements of a building, from the definition of durability terms in three levels: minimum, medium and maximum. In this sense, we sought to evaluate the usefull life of vertical building facades, as well as the frequency with which intervention occurs is them, the cost of repair, as well as a simulation was performed in the software “simulates v 4.4”. From the data collection with the application of a form in a company of great representation in the sector of façade repair, it was possible to account for 40 buildings with signs of dregacy. These buildings were divided into two groups taking into account the intervention time after delivery, that is, a group comprised between 1 and 7 years and another group between 8 and 15 years. With the adoption of the “simula v 4.4” software, based on the Monte Carlo method, cost and time simulations were carried out, aiming to determine the number of interventions required to manintain these facades, as well as the cost for such, in a cycle of 50 years. The results presented show that Group I had a lower performance than Group II in both situations, requiring more repair actions and a higher execution value, considering a minimum, medium and maximum reference generated by the program. In addition, the figures obtained show that both groups are below the minimum durability term recommended by the standard, which is 20 years, beyond the average and maximum terms, which are 25 and 30 years respectively, confirming the presence of a series of factors that interfered in the process of design and execution of the these facades. Thus, it is concluded that special attention should be given in the assembly of the facades of the buildings, as they are a very expensive component of the work, and that add a lot of value to the final product.Item Acesso aberto (Open Access) Ferramenta para mensuração da capacidade tecnológica no segmento de construção de edifícios(Universidade Federal do Pará, 2022-08-17) SILVA, Horácio Lima da; ISHIHARA, Júnior Hiroyuki; http://lattes.cnpq.br/3498874642887006; https://orcid.org/0000-0002-0081-7913Technological innovation is essential to enhance the performance of industrial organizations with a view to acquiring competitive advantage, as it adds improvements in products, processes and services. Currently, Industry 4.0 is the most modern synthesis of the accumulation of innovations, representing a new era of industrial production. Despite its importance, civil construction is not yet fully inserted in this new industrial context, especially when considering underdeveloped countries. The building construction subsector, for example, is predominantly characterized by a low technological level when compared to other industries. In this sense, it is extremely important to develop studies that establish an understanding of the aspects that lead to this scenario of low technological level in civil construction. Therefore, this work was based on the theory of accumulation of technological capabilities to develop a tool, called in this work FMCTEED (Tool for Measuring Technological Capability in Building Companies), aiming to trace the technological profile of building construction companies and understand the aspects that need to be enhanced in these organizations to overcome the technological backwardness. This dissertation used bibliographic research, interviews with experts and mathematical modeling as a methodology to build a tool capable of expressing the accumulation of technological capacity in companies in the buildings subsector. In a second step, the model was applied to companies in the buildings subsector to analyze the performance of the tool. As a result, the study showed that the companies object of the study practically do not have ST&I development mechanisms; in addition, the survey revealed a huge gap in industrialization and robotization of processes; there was also a weakness in terms of a collaborative network that includes universities and research centers for the production of technologies that can be incorporated into the production process. Finally, it can be said that FMCTEED was successful in establishing the technological profile of the companies studied and in listing critical points for intervention with a view, for example, to the implementation of innovations.Item Acesso aberto (Open Access) Gestão de resíduos da construção civil: um estudo de caso em Tucuruí-PA(Universidade Federal do Pará, 2022-11-17) SOUSA, Fernanda dos Santos; CORDEIRO, Luciana de Nazaré Pinheiro; http://lattes.cnpq.br/9126233381230999; https://orcid.org/0000-0001-7931-4042; TEIXEIRA, Marcelo Rassy; http://lattes.cnpq.br/8912916360456192The Civil Construction Industry (CCI) is guilty of impacts on the environment being one of the main sources of pollution today, especially with regard to the generation and disposal of waste in urban centres, this research was developed to diagnose and propose improvements in the management of Construction and Civil Construction Waste (CCW) in a small town, the case study was conducted in the city of Tucuruí-PA, a hub city in the Amazon region. To this end an investigation was conducted through online questionnaires with questions about management and management of CCW and was also performed identification of Irregular Disposal Points (IDP) through georeferencing using the Global Positioning System (GPS) and Qgis 3.16.6 software. After the analysis, we sought to suggest what would be the best improvement strategies for the management of waste from civil construction, through the current diagnosis of the management of CCW in the city. Through this research it was possible to perceive the most relevant points of management difficulty on the part of the Tucuruí Municipal Government (PMT), which are: absence of specific legislation for CCW, lack of environmental education on the subject, absence of supervision, in addition to the lack of management carried out by construction companies operating on construction sites, it was also possible to locate the IDPs and know the destination given to the CCW, in a market practically non-existent and without stimulus. The analyses contained in this diagnosis of the current situation of Civil Construction Waste management will enable actions to be recommended to improve it through public policies in the municipality of Tucuruí-PA, as well as in the region.