Spring 1998: Serving Our Publics

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Spring 1997: It Takes a Faculty to Build a Library

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Spring 1996: A New Year

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Spring 1994: Library Hopes for 1994/95

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Type 1 Design J Starboard Side

Print No. 68; corner is ripped; Initials Lower Left: OL; Initials Lower Right: ELW (Everett Longley Warner)

Comportamento de funda����es superficiais apoiadas em aterros estabilizados com res��duos industriais

Neste trabalho foi estudado o comportamento de funda����es superficiais apoiadas em sistema de dupla camada, quando a superior �� cimentada. O estudo consistiu-se de tr��s etapas, chamadas de Etapa de Laborat��rio, Etapa Num��rica e Etapa de Campo. Na Etapa de Laborat��rio foi verificada a viabilidade t��cnica de utilizar os res��duos industriais cinza pesada e cal de carbureto na estabiliza����o de um solo residual de arenito botucatu. Estudou-se a reatividade da cinza pesada com a cal de carbureto, a influ��ncia da temperatura e do tempo de cura no desenvolvimento das rea����es pozol��nicas, a influ��ncia de diferentes teores de res��duos na resist��ncia �� compress��o simples, compress��o diametral e durabilidade, objetivando definir uma mistura ��tima e, ainda, o impacto ambiental da utiliza����o da mistura ��tima, atrav��s de ensaios de lixivia����o e solubiliza����o. Na Etapa Num��rica foi estudado, atrav��s do M��todo dos Elementos Finitos, o comportamento de funda����es superficiais apoiadas em dupla camada. O modelo utilizado para representar o comportamento do material cimentado e n��o-cimentado foi o el��stico-pl��stico com crit��rio de ruptura de Drucker-Prager e fluxo n��o-associado. Verificou-se, atrav��s de an��lise param��trica, a influ��ncia da espessura da camada cimentada e do di��metro da funda����o, bem como a influ��ncia dos par��metros dos materiais cimentado e n��o-cimentado na resposta carga x recalque de funda����es superficiais. Na Etapa de Campo foram constru��dos aterros experimentais utilizando a mistura ��tima determinada na Etapa de Laborat��rio e, sobre estes aterros, foram executados provas de carga de placas. A an��lise dos resultados obtidos nas tr��s etapas levou ��s seguintes conclus��es: �� poss��vel utilizar cinza pesada e cal de carbureto para estabilizar o solo residual de botucatu; o comportamento de funda����es superficiais sobre solos cimentados �� controlado pela rela����o espessura da camada cimentada di��metro da funda����o; os par��metros ��ngulo de atrito e m��dulo de elasticidade da camada cimentada n��o influenciam os resultados de prova de carga; a ruptura da funda����o �� fun����o de dois mecanismos progressivos, os quais s��o fun����o das tens��es de tra����o geradas na parte inferior da camada cimentada e das tens��es cisalhantes existentes logo abaixo das bordas da funda����o.

Contingent Edis: a new contractual framework for minimizing the risk of incentive failures

Granting economic development incentives (or ���EDIs���) has become commonplace throughout the United States, but the efficiency of these mechanisms is generally unwarranted. Both the politicians granting, and the companies seeking, EDIs have incentives to overestimate the EDIs benefits. For politicians, ribbon���cutting ceremonies can be the highly desirable opportunity to please political allies and financiers, and the same time that they demonstrate to the population that they are successful in promoting economic growth ��� even when the population would be better off otherwise. In turn, businesses are naturally prone to seek governmental aid. This explains in part why EDIs often ���fail��� (i.e. don���t pay���off). To increase transparency and mitigate the risk of EDI failure, local and state governments across the country have created a number of accountability mechanisms. The general trait of these accountability mechanisms is that they apply controls to some of the sub���risks that underlie the risk of EDI failure. These sub���risks include the companies receiving EDIs not generating the expected number of jobs, not investing enough in their local facilities, not attracting the expected additional businesses investments to the jurisdiction, etc. The problem with such schemes is that they tackle the problem of EDI failure very loosely. They are too narrow and leave multiplier effects uncontrolled. I propose novel contractual framework for implementing accountability mechanisms. My suggestion is to establish controls on the risk of EDI failure itself, leaving its underlying sub���risks uncontrolled. I call this mechanism ���Contingent EDIs���, because the EDIs are made contingent on the government achieving a preset target that benchmarks the risk of EDI failure. If the target is met, the EDIs will ex post kick in; if not, then the EDIs never kick in.

As contas p��blicas do Estado do Rio de Janeiro face �� legisla����o de responsabilidade fiscal e previdenci��ria: 2000 a 2007

Com o advento do Plano Real, que procedeu �� estabiliza����o da moeda em meados da d��cada de noventa, ficou patente a gravidade da situa����o fiscal das unidades subnacionais. De um lado figuravam as dificuldades na condu����o da gest��o financeira por meio da aus��ncia do processo inflacion��rio que anteriormente possibilitava a indexa����o das receitas tribut��rias enquanto as despesas correntes tinham a sua liquida����o e pagamento postergados. Por outro lado, a d��vida consolidada, majoritariamente mobili��ria, disparava em fun����o da pol��tica monet��ria restritiva. Esta situa����o financeira prec��ria tornou urgente a realiza����o do ajuste fiscal dos estados que teve como condutor a Uni��o que instituiu medidas primordiais para atingir este fim, destacando-se tr��s leis federais: a Lei de Renegocia����o das D��vidas Estaduais, a Lei de Responsabilidade Previdenci��ria e a Lei de Responsabilidade Fiscal. O trabalho em tela estuda a condu����o das contas p��blicas do Estado do Rio de Janeiro no per��odo de 2000 a 2007, objetivando verificar a exist��ncia de esfor��os de ajuste fiscal e em que medida estes esfor��os trouxeram resultados satisfat��rios, demonstrando a efic��cia do arcabou��o legal institu��do pela Uni��o. Conclui-se neste trabalho que, no per��odo de 2000 a 2006, n��o ocorreu avan��o significativo em dire����o da melhoria das contas p��blicas estaduais e que os super��vits prim��rios alcan��ados no per��odo foram impulsionados pelo aumento de receitas de car��ter inst��vel, extraordin��rio e finito. Destacou-se quanto aos riscos inerentes �� excessiva e crescente depend��ncia que as finan��as estaduais apresentam, relativamente ��s receitas supracitadas, tendo em vista que estas t��m sido utilizadas para pagamento de despesas p��blicas correntes de car��ter continuado. O presente trabalho conclui tamb��m que, a partir do ano de 2007, foi dado o pontap�� inicial para o alcance do ajuste fiscal, tendo em vista a mudan��a de patamar do super��vit prim��rio, com ��nfase na redu����o das despesas prim��rias e n��o no aumento das receitas extraordin��rias.

Efeitos informais do sal��rio m��nimo e pobreza

Avaliamos a efetividade da pol��tica de sal��rio m��nimo nacional nos segmentos formais e informais do mercado de trabalho brasileiro. A nossa t��cnica consiste em mapear solu����es de canto produzidas pela pol��tica de sal��rio m��nimo que s��o posteriormente utilizados como mecanismo de focaliza����o na simula����o de limites superiores dos efeitos de reajustes do sal��rio m��nimo sobre medidas de pobreza no Brasil. Destacamos dois ���efeitos informais��� do m��nimo: i) a alta porcentagem de trabalhadores sem carteira assinada ganhando exatamente um m��nimo, o que potencializa os efeitos aliviadores de pobreza do sal��rio m��nimo; e ii) A observa����o de remunera����es que utilizam o sal��rio m��nimo, como numer��rio, em particular no setor formal.

Election over, battle for Brazil rages

Last week I sat down with a Brazilian acquaintance who was shaking his head over the state of national politics. A graduate of a military high school, he'd been getting e-mails from former classmates, many of them now retired army officers, who were irate over the recent presidential elections. "We need to kick these no-good Petistas out of office," one bristled, using the derogatory shorthand for members of the ruling Workers Party, or PT in Portuguese.

Plane detection from monocular image sequences

AIRES, Kelson R. T. ; ARA��JO, H��lder J. ; MEDEIROS, Adelardo A. D. . Plane Detection from Monocular Image Sequences. In: VISUALIZATION, IMAGING AND IMAGE PROCESSING, 2008, Palma de Mallorca, Spain. Proceedings..., Palma de Mallorca: VIIP, 2008

Plane Detection Using Affine Homography

AIRES, Kelson R. T.; ARA��JO, H��lder J.; MEDEIROS, Adelardo A. D. Plane Detection Using Affine Homography. In: CONGRESSO BRASILEIRO DE AUTOM��TICA, 2008, Juiz de Fora, MG: Anais... do CBA 2008.

Uma odiss��ia em busca de H��stia: do turismo �� hospitalidade pelos caminhos das representa����es sociais

This thesis is the result of a piece of research on hospitality social representations between tourism professionals and academics in the city of Natal. The reasearch s corner stone is the point of the view that the notion of hospitality, with all its theoretical and practical implications, is essential to the success of any tourist destination. Is there any relevance in the growing use of the word, almost as a synonym for tourism? How is this notion, first learned in the domestic context and then exercised in the contact with the city and especially with visitors, represented in the learning process for professional practice and in the exercise of professional tourist reception itself? In order to answer this question, initially we chose to study the concept of hospitality in their current academic view, with reference to the French school, which binds hospitality to the maussian perspective of donation, and other scholars of the current theme, with emphasis on the research performed in the program of Master of Hospitality at the Anhembi Morumbi University, whose philosophy imprints in the hospitality concept the same sense we want to give this study. Then we chose to analyze the notion of hospitality, by the Social Representations Theory, in light of Moscovici s methodology, as well as the analysis of the core of this concept among tourism professionals and students. It was found that hospitality is still a very diffuse reference to representations of these two groups and that academic education, if accepted both theoretical and practical implications of this research s starting point, will still have a long way to go. Cities such as Natal, "naturally" hospitable, according to its dwellers, where tourism is relevant to their economies, need (re)thinking and (re)organizing, continuously, their actions towards quality and performance of their professional training especially those concerned with receptive structure

Mapeamento digital de an��logos a reservat��rios petrol��feros: exemplos para dep��sitos fluviais da Unidade A��u-3 - Bacia Potiguar

In the current work are presented the results about the study of digital mapping of analogs referents the fluvial oil reservoirs in the A��u Formation. With the regional recognizing in the south corner of Potiguar Basin was selected a area of 150 Km square in the west of Assu city. In this area was chosen the outcrops for the digital mapping and from the data fields and remote sensors were done the depositional architectural for the fluvial deposits, which it was named coarse meandering fluvial systems. In the deposits were individualized 3 (three) fluvial cycles, which they was separated by bounding surface of fifth order. Such cycles are preferentially sandy, with fining-upward sequence finished in flood plain deposits. Inner of the sandy levels of the filling channels were characterized least cycles, normaly incomplete, constituted by braided sandy bodies and bounding surfaces of fourth order. In the mapped area was chosen a outcrop with great exposition, where it was possible to see tipical deposits of filling channel and was in this outcrop that was done the digital mapping. In this outcrop was used diverse technics and tools, which they integrated sedimentological, altimetric (GPS, Total Station), LIDAR (Light Detection and Ranging), digital photomosaic of high resolution and of the inner geometries (Ground Penetration Radar) data sets. For the integrating, interpretation and visualization of data was used software GoCAD��. The final product of the outcrop digital mapping was the photorealistic model of part of the cliff (or slope) because the observed reflectors in the radargrams were absents. A part of bar oblique accretion was modeled according to GPR gride of 200x200 meters in the alluvial Assu river probable recent analog. With the data of inner geometries was developed the three-dimentional sedimentary architectural, where it was possible characterize sand sheet deposits and many hierarchy of braided channels. At last, simulations of sedimentary geometries and architectures of the Potiguar Basin Fluvial Reservoirs were done with PetBool software, in order to understand the capacity of this program in simulations with a lot of numbers of conditioning wells. In total, 45 simulations was acquired, where the time and the channel numbers increase in relation of the conditioning wells quantity. The deformation of the meanders was detected from the change of simulated dominion dimensions. The presence of this problem was because the relationship between the simulated dominion and the width of the meander

Par��metros de fonte de microterremotos em Cascavel-CE

In this dissertation it was studied the rupture characteristic of earthquakes of the Town of Cascavel CE, Northeastern Brazil. Located on the border of the Potiguar Basin, the Town of Cascavel is one of the most seismically active intraplate areas in the country. In this town, on November 20th, 1980 a 5,2mb earthquake occurred. This was the largest earthquake ever reported in Northeast Brazil. Studies of this region using instruments were possible after 1989, with several campaigns being done using seismographic networks. From the beginning of the monitoring to April 2008 more than 55,000 events were recorded. With the data collected by a network with six 3-components digital seismographic stations during the campaigns done from September 29th, 1997 to March 5th, 1998, estimates of source parameters were found fitting the displacement spectra in the frequency domain for each event. From the fitting of the displacement spectra it was possible to obtain the corner frequency ( ) c f and long period amplitude ( ) W0 . Source parameters were determined following Brune (1970) and Madariaga (1976) models. Twenty-one seismic events were analyzed (0.7 �� �� 2.1) b m in order to estimate the source dimension (r ), seismic moment ( ) M0 , static stress drop (Ds ), apparent stress ( ) a s , seismic energy ( ) S E and moment magnitude ( ) W M for each of the events. It was observed that the ratio between radiated seismic energy and moment seismic (apparent stress) increases with increasing moment and hence magnitude at the observed range. As suggested by Abercrombie (1995), also in this work there is a breakdown in the scaling for earthquakes with magnitudes smaller than three ( < 3.0) W M , so that the rupture physics is different for larger events. If this assumption is valid, the earthquakes analyzed in this work are not selfsimilar. Thus, larger events tend to radiated more energy per unit area than smaller ones.