Marginália tropical: Cacaso, um poeta antropófago

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Alternatives for controlling urban traffic congestion

Traffic congestion is nothing new in Latin American cities but has worsened in recent years. Eliminating it is a pipedream, but it should be brought under control. Many economists and transport planners think electronic road pricing would be the best way of tackling it, now that the appropriate technology for implementing it is available. On the other hand, experience shows that, for political reasons, it would be better to begin by adopting simpler methods. To start with, simple road pricing would seem to be the best option. But, over 20 years of experience in London and more than six in Santiago, Chile, made it clear that socio-political barriers have to be surmounted before even this option can be applied in practice. There is more political support for measures to control parking, due in part to the fact that the legal powers do not normally extend to restricting the number of parking spaces available to high-income and influential motorists who have the right to park near their offices and who cause a great deal of the congestion whilst getting there. In Latin America, the relative importance of taxis also diminishes the effectiveness of measures geared to parking, since taxis contribute to congestion although but they do not park. The problem of congestion cannot be solved by using tame measures. The time has come for something bolder, i.e., measures that, at the very least, exercise control over those parking spaces, which so far have been beyond the reach of governments and local authorities, ideally, simple road pricing systems would be even more effective.

Technologies applied to the transport sector: electronic fare collection systems

Electronic transactions are becoming increasingly commonplace in the countries of Latin America and the Caribbean, despite the collapse of many dotcom firms and the failure of e-commerce to make inroads in the region. In the transport sphere, the gradual incorporation of technology in support of processes and the exchange of money flows between players has brought greater versatility, security and flexibility. In public transport, such initiatives take the form of automatic ticket machines and prepaid card dispensing machines. In urban transit, electronic purses used for the supervision and payment of parking time, and in road pricing, electronic toll systems streamline the process of collecting money; this is especially the case with motorways and urban concessions. And in shipping, electronic transfers are increasingly being used for the payment of customs dues and port charges.In view of the importance of the topic and the interest expressed in it, the Transport Unit has begun a study of these issues, and recently published a paper entitled Sistemas de cobro electrónico de pasajes en el transporte público, ("Electronic systems for payment of tickets in public transport") LC/L.1752-P/E, July 2002, on which this issue of the Bulletin is based.

Influência das variáveis morfológicas em modelos fotoelásticos com implantes submetidos à carga axial

Pós-graduação em Odontologia - FOA

Novas técnicas de detecção de fase óptica em interferômetros homódinos aplicadas à caracterização de atuadores piezoelétricos flextensionais

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Gestão de orla urbana e turismo sustentável: reflexões e proposições a partir do projeto do complexo Ver-o-Rio em Belém (PA)

O trabalho tem por objetivo analisar como o turismo contribui para a gestão sustentável de orla urbana, discutindo as concepções e práticas de planejamento e gestão urbana na orla fluvial de Belém (PA), tendo como objeto empírico de pesquisa o Complexo Ver-O-Rio, espaço de lazer e turismo localizado na orla central da cidade. A análise foi realizada a partir do levantamento das diretrizes e instrumentos de planejamento e gestão urbanos das intervenções realizadas pela Prefeitura Municipal de Belém para o espaço orla. Além da temática apresentada o quadro conceitual aborda também estudos acerca do turismo, analisando seus aspectos como fenômeno social, utilizado neste debate como instrumento que contribui tanto para a gestão sustentável de orla urbana, quanto para mobilidade e inclusão da população local envolvida no processo, sob a perspectiva do turismo sustentável levantando dados e refletindo mais especificamente sobre os atores sociais envolvidos no Complexo Ver-O-Rio desde sua inauguração, como os comerciantes do entorno, os permissionários dos quiosques e os vendedores ambulantes que trabalham no espaço. O método utilizado foi um estudo de caso trabalhado através do tipo de abordagem qualitativa com análise do tipo histórico-descritiva. O estudo mostra que o turismo contribui para gestão sustentável de espaços situados em orlas urbanas na medida em que promove a mobilidade socioeconômica, a geração de emprego e renda e a participação da população local nesse processo.

Análise fotoelástica da distribuição de tensão de diferentes materiais de revestimento oclusal em prótese protocolo do tipo Branemark

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Novas configurações de interferômetros de quadratura e de técnicas de detecção de fase óptica baseadas em phase unwrapping

Pós-graduação em Engenharia Elétrica - FEIS

Geosynthetic-Reinforced Soil Structure Built to Restore Original Geometry of a 12 m High Slope After Failure Using Local Soil

This paper presents a study case in which a geosynthetic-reinforced soil (GRS) structure was used to rebuild a 12 m high slope after its failure. The failed slope is located between the parking lot of a private company and a public school. Due to surrounding structures restrictions, this project required a solution with rapidity in execution. In addition, as a requirement established by its owner, this structure should recover the original geometry of the slope. Besides the importance regarding surrounding constructions, an interesting aspect of this study case relies on the versatility of geosynthetic materials. A woven geotextile was used as reinforcement. Five other geosynthetic materials were used in this study case. Facing comprised a geocell filled with local soil cover and grass mats, resulting in a green facing. A geonet was used to hold the grass mats in place before grass roots development. Regarding the drainage system, geocomposite drains and geopipes were installed to drain subsurface water. A nonwoven geotextile was used as filter in drainage trenches, which were placed near the structure toe. Additionally to the GRS structure, the lower portion of the slope was reinforced with soil nailing technique. The face of the nailed soil portion was covered with sandbags and shotcrete. It emphasizes the flexibility of GRS structures regarding their application with other technical options in Geotechnical Engineering. The economic aspect of this study case also deserves attention. It did not require soil transportation and other design and construction steps, e.g. concrete structures design and construction.

Alternative transfer to the Earth-Moon Lagrangian points L4 and L5 using lunar gravity assist

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Proposta de plano de marketing para os serviços de acolhimento a visitantes na igreja de Frei Galvão e Guaratinguetá (SP)

This work contains a preliminary marketing plan for host services on Frei Galvão’s Church in Guaratinguetá, SP, Brazil. It started from the analysis of the current situation and of a study on visitors’ profiles. The development of the marketing plan proposal used the methodology of the 7 P’s of service marketing. The studies brought some relevant results, as they have indicated a lack of restaurants, adequate signalization, restrooms and a good parking lot. The studies have also shown that the host services managers lack data about number of visitors and about the distribution of pills. These results allowed the author to elaborate some strategies and formulate the proposal here presented

Iluminação de exteriores utilizando tecnologia LED: estudo de caso

This Graduate Work aims to exhibit the analyze of the applicability of LED technology in a real outdoor lighting situation, and this project’s illumination solution is compared with the initial proposal, the sodium vapor lamps. What is studied is an outdoor area, like the roads and parking lots of a plant. A light planning software is used for this comparison, and the results are displayed instantly, allowing rapid analysis of the project through a simulation. The medium illuminance is the same in both solutions for this case study and minimum rates set as standard were observed then the analysis are appropriate in this project. Various aspects are considered in order to obtain a comprehensive analysis of this project, such as economic, environmental and quality of lighting. LED technology in outdoor lighting is presented in its infancy, but promising. Solid state lamps show great advantages when compared with other technologies, such as discharge lamps, however there are some disadvantages tied to new products that are expected to be overcome with technological development and increased production

Estudo da sinistralidade no mercado securitário de veículos: uma abordagem multivariada

Pós-graduação em Engenharia de Produção - FEB

Estudo da influência da adição de resíduos de óleo em concretos para aplicação em pavimentos

Pós-graduação em Engenharia Civil - FEIS

Optical filters and resonant cavities based on di-ureasil organic–inorganic hybrids

Sol–gel derived poly(oxyethylene)/siloxane organic–inorganic di-ureasil hybrids containing different amounts (20–60% mol) of methacrylic acid (McOH) modified zirconium oxo-clusters (Zr-OMc) were processed as thin films and transparent and shape controlled monoliths. Laser direct writing was used to create channel waveguides, Bragg gratings, Fabry–Perot cavities and optical filters. The resulting Fabry–Perot optical cavity displays a free spectral range of 16.55 GHz and a fringe intensity contrast of 5.35 dB. Optical rejection values between 6.7 and 10.4 dB were obtained by varying the amount of the Zr-OMc oxo-clusters.