As artes e a cultura nas práticas hegemónicas e alternativas na cidade de Lisboa. O caso do Largo do IntendenteThe arts and culture in hegemonic and alternative practices in the city of Lisbon. ResumoA arte, a cultura e a criatividade são, atualmente, vendidas como um símbolo de status e passaram a fazer parte de narrativas e práticas hegemónicas relacionadas com processos de regeneração. Neste artigo, examinamos as contradições e as tensões entre a implementação de políticas públicas de regeneração urbana e a emergência de espaços alternativos culturais e artísticos, utilizando como estudo de caso o Largo do Intendente. Utilizando uma perspetiva crítica e métodos cruzados (entrevistas, observação e registo etnográfico), analisámos o papel das artes e da cultura no processo de gentrificação promovido pelas políticas públicas. Num momento de rápidas mudanças, onde os mesmos modelos são usados em diversas cidades por todo o mundo, importa continuar a acompanhar e a perceber o modo como na cidade de Lisboa estes processos se manifestam. AbstractArts, culture and creativity are currently sold as a symbol of status and have become part of hegemonic narratives and practices related to regeneration processes. In this article, we examine the contradictions and tensions between the implementation of urban regeneration public policies and the emergence of cultural and artistic alternative spaces, using as case study the Intendente Square. Using a critical perspective and cross methods (interviews, observation and ethnographic record), we analyzed the role of arts and culture in the gentrification process promoted by public policies. In a time of rapid change, where the same models are used in several cities around the world, it is important to follow and understand the way these processes manifest themselves in Lisbon.Os agentes do poder local têm utilizado a arte e a cultura como motores de regeneração urbana. Este não é um tópico novo e tem sido bastante explorado na literatura nacional e internacional. Apesar de este processo incutir uma nova dinâmica (económica, social e cultural) às cidades, tem, também, inerentes diversas consequências negativas que fomentam a promoção imobiliária
Before coming up with any important decision of intervention in the restoration process of existing buildings, the assessment of the conservation state is required as regards heritage timber structures, and especially, for those that suffered a lack of maintenance in their service life. In that context, three timber roof structures from the Convent of Christ in Tomar, Portugal, have been selected and investigated. To this end, a research methodology has been introduced and applied to these case studies into four main steps: (i) Visual inspection; (ii) Non-destructive wood diagnosis; (iii) Structural safety evaluation; (iv) Prevention and intervention measures. For the visual inspection, every element and joint constituting the roof structures have been received scrutiny through stressing the wood species, the different construction stages, and last but not least, their respective geometry. As regards the encountered pathologies, structural disorders (e.g. accidental failure, serviceability defects...) and wood-deteriorations due to biological agents (e.g. wood-destroying fungi or insects) have been reported, which ineluctably leads to a likely decrease of the mechanical performances of the roof structure. In order to estimate the residual element cross-section and elastic modulus, wood diagnosis has been carried out through using three relevant non-destructive tests: (i) Ultrasonic Pulse Velocity; (ii) Drilling Resistance; (iii) Impact penetration. From the collected data, the three timber roof structures have been modelled on a commercial software in order to check their safety and integrity. Based on those outcomes, some prevention and intervention measures haves been lastly proposed case by case.
A two-story full-scale CLT building of 4.5 m x 9.1 m in plan, with a height of 5.04 m, was tested under quasi-static monotonic and cyclic loading for platform-type construction. The main objectives were to evaluate the global response of the structure, the performance of the shear walls, the behaviour of the connectors (hold-downs and angle brackets) and the frequency response of the structure during the tests. Lateral loads were applied on the storeys inducing torsion to the building. Loading procedure, number and disposition of connectors varied between tests. However, it is important to note that, in order to avoid a possible overlap of effects, the metal connectors hold-downs and angle-brackets only have been placed in CLT shear walls in each loading direction. In terms of performance, longitudinal direction presented a stiffer behaviour when compared to the transverse, where it was possible to verify greater sliding in the longitudinal direction and global rocking in the transverse direction. The results of this experimental campaign will be used for further analytical and numerical analyses, in order to help to implement more detailed seismic analysis, namely pushover, of CLT constructions.
In general, the satisfactory seismic performance of timber buildings can be partially attributed to the material characteristics of the wood itself and to the lightness of its own structure. The aim of this paper is to analyze the in-plane behavior of light timber walls panels through a series of monotonic and cyclic tests, and to evaluate how the sheathing material and the fixation to the base influence the overall response of the wall. Five tests are presented and discussed while the reliability of an analytical method to predict the response of the walls is studied. The sheathing material revealed to be important in the overall response of the wall. Moreover, the type of fixation to the base also revealed to be important in the in-plane response of timber walls. In-plane stiffnesses, static ductility, energy dissipation and damping ratio have been quantified.
Adoptando uma perspectiva eminentemente hermenêutico-interpretativa, centrada na análise do discurso e das representações, este artigo pretende contribuir para a compreensão do actual processo de regeneração urbana do Barreiro. Se, por um lado, coloca a tónica no papel que nele desempenham a cultura e as artes, por outro, procura também descrever e interpretar as relações que se estabelecem com a memória e a identidade, enquanto traços constitutivos e definidores de um território profundamente marcado pelo seu passado. A partir da leitura crítica de um conjunto de 15 entrevistas realizadas a actores-chave que possuem um conhecimento aprofundado da realidade local, presente e passada, procura-se reconstituir uma narrativa inteligível que nos ajude a interrogar, a problematizar e a dar sentido ao processo investigado, designadamente ao nível das inter-relações e dinâmicas socioterritoriais existentes e dos discursos subjacentes. AbstractAdopting an eminently hermeneutic-interpretative perspective, centered on the analysis of discourse and representations, this article aims to contribute to the understanding of the current process of urban regeneration of Barreiro. If, on the one hand, it emphasizes the role that culture and the arts play in it, on the other, it also seeks to describe and interpret the relations that are established with memory and identity, as constitutive and defining features of a territory deeply marked by its past. From the critical reading of a set of 15 interviews conducted with key actors who have a thorough knowledge of the local reality, present and past, we seek to reconstruct an intelligible narrative that helps us interrogate, problematize and make sense of the process, namely in terms of interrelationships and existing socio-territorial dynamics and underlying discourses.
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