Concrete Pavement
Mostrando 13-24 de 34 artigos, teses e dissertações.
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13. Considerações sobre a utilização de pavimentos intertravados e betuminosos em áreas urbanas
The reality of pavement in médium and small brazilian cities is the execution of urban roads devoid of study, planning and sizing. This situation occurres a less useful life, a big maintenance cost and a big environmental degradation. Concerning this situation, allied the fact of the financial resources are usually insufficient since there is also the neces
Publicado em: 2010
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14. Interfaces físicas entre os sistemas prediais hidráulicos e sanitários (SPHS), estruturais e vedações / Physical interfaces among plumbing, cast in-situ reinforced concrete and mansory systems
The identification and resolution of interfaces is a requirement that must be met for additional methods for evaluating design for Hydraulic and Sanitary Building Services (plumbing systems). The reason is that these building systems, in general, may have a higher incidence of problems of compatibility with others, because they all relate to. In this context
Publicado em: 2010
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15. Estudo Experimental de Pavimentos de Concreto: Influência da Posição da Barra de Transferência e do Tipo de Concreto / Experimental Study of Concrete Pavement: Influence of Position of Bar Transfer and Type of Concrete
Este trabalho apresenta um estudo experimental do comportamento de juntas transversais em placas de concreto simples, apoiadas sobre uma fundação elástica. Devido às tensões provocadas pelo carregamento e por variações volumétricas das placas, as juntas transversais quando mal executadas podem ocasionar uma redução da eficiência da transferência
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 12/03/2009
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16. Verificação à fadiga de pontes rodoviárias mistas (aço-concreto) / Fatigue analysis of composite highway bridges
Steel and composite highway bridges (steel-concrete) are currently subjected to dynamic actions, for example, variable magnitude due to vehicles traffic on the deck rough pavement. These dynamic actions can generate the fractures nucleation or even their propagation on the structure. The correct consideration of these aspects pointed out to an analysis metho
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 06/03/2009
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17. Reciclaje de escoria granulada de fundición (EGF) como sustitución de parte del cemento en hormigón
The recycling of industrial solid wastes has become an indispensable practice to the natural resource preservation, in the cost and environmental impact reduction. The utilization of alternative materials in the civil construction industry is attractive and correct way in terms of economy and environment. As result of that, the slag recycling as raw material
Matéria (Rio de Janeiro). Publicado em: 07/04/2009
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18. Pavimento de concreto sobre solos moles estudos de caso na Rodovia BR-101 Nordeste (Lotes 1,5 e 6)
The volume of buildings made of concrete s pavement is increasing in Brazil and there is a pressing need of a better understanding about the peculiarities of its execution according to its climatic features and region s ground quality. Brazilian texts referring to concrete s pavements execution is the result of researches by Portland Cement Association of Br
Publicado em: 2009
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19. Experimental Study of Concrete Pavement: Influence of Position of Bar Transfer and Type of Concrete / Estudo Experimental de Pavimentos de Concreto: Influência da Posição da Barra de Transferência e do Tipo de Concreto
This work presents an experimental study of the behavior of transverse joints in unreinforced concrete slabs under elastic support. Due to the tensions caused by loads and volumetric variations in the slab, transverse joints when badly executed can cause a efficiency reduction in the shear transfer, thus reducing the useful life of the concrete pavement. To
Publicado em: 2009
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20. Procedimentos de projeto e execução de pavimentos permeáveis visando retenção e amortecimento de picos de cheias. / Design and built procedures of porous pavements with porpose to retaining an reducing downstream floodings.
The present work intents to show design and built procedures, of porous pavements; by paying attention on its practical appliances as compensatory option in urban drainage with purpose to retaining rainfall water by storage, reducing downstream flooding in cities with great urban density. The procedures here proposed are based in the know how acquired for th
Publicado em: 2009
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21. Proposta para simplificação de ensaios destrutivos e não-destrutivos para o monitoramento do ganho de resistência de pavimentos de concreto para fast-track / A proposal to simplify destructive and non-destructive testing aiming at monitoring strength gain in fast-track concrete pavements
A construção de pavimento de concreto de cimento Portland para liberação rápida, conhecido como fast-track, é uma boa solução principalmente para reparos em locais onde não se pode interromper o tráfego por um período muito grande, cujas técnicas são abrangentes, servindo para obras de construção, reconstrução ou para execução de camadas s
Publicado em: 2009
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22. A study of using recycled aggregates in Portland concrete mixes for pavements / Estudo da utilização de agregado reciclado em misturas de concreto de cimento Portland para pavimentação
The objective of this research is to contribute to the study of the recycled aggregate use in concrete Portland. It is compared the performance of these mixtures presented with the deriving aggregates and the rubbish of technological control laboratories, which the use minimizes the problematic deposition in sanitary earthworks, contributing in this way to t
Publicado em: 2008
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23. Evolução temporal da resistencia mecanica em laboratorio, de misturas simulando a reciclagem de pavimento asfaltico com adição de cimento portland / Temporal evolution of mechanical resistance in laboratory, of mixtures simulating asphalt pavement recycling with portland cement additions
This work studies the process of asphalted pavement recycling with cement Portland additive through the analysis of recycling method, equipments and procedures used in the field, in addition to studying the advantages and disadvantages of the use of recycling in asphalted pavement. The work also approaches in detail the recycled asphalt pavement with Portlan
Publicado em: 2008
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24. Comparison between the field performance of CAP 30-45 and CAP 50-70 for pavement layers. / Comparação do comportamento em campo de concretos asfálticos com CAP 30-45 e com CAP 50-70 para revestimentos de pavimentos.
In the last years, the volume of commercial heavy vehycles that transit through Brazilian highways is increasing. In addition, pavement wearing courses are exposed to the influence of high temperatures, that cause precocious asphalt layer distresses Therefore, asphalt mixture alternatives to the high traffic higwayshave been studied. One of the possibilities
Publicado em: 2008