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Vitalidade urbana e desempenho espacial : Estratégia de requalificação para os Olivais Sul

Authors: Pereira, Vasco Alexandre Lima;

Vitalidade urbana e desempenho espacial : Estratégia de requalificação para os Olivais Sul

Abstract

Esta dissertação apresenta uma análise crítica e uma proposta de regeneração urbana para o bairro dos Olivais Sul, em Lisboa, um dos exemplos mais emblemáticos da aplicação do urbanismo modernista em Portugal. Concebido na década de 1960 sob a influência da Carta de Atenas e da Unidade de Vizinhança de Clarence Perry, o plano procurava criar um bairro funcionalmente autónomo e socialmente equilibrado. Contudo, com o passar do tempo, a separação de usos, a rigidez formal e a ausência de centralidades ativas revelaram as limitações do modelo modernista, resultando em fragmentação social e perda de vitalidade urbana. A investigação propõe uma releitura contemporânea deste legado moderno, articulando reflexão teórica e metodologia digital. Apoiado nas obras de Jane Jacobs, Jan Gehl, William H. Whyte e Christopher Alexander, o trabalho desenvolve um novo método de análise urbana centrado na escala humana e na interação social. A metodologia proposta quantifica dois indicadores principais de desempenho espacial — ‘pessoas na rua’ e ‘olhos na rua’ — combinando observação empírica com modelação paramétrica em BIM (Revit + Dynamo). As simulações resultantes avaliam as condições existentes e testam cenários de projeto, contribuindo para uma estratégia urbana baseada em evidência. A proposta de intervenção tem como objetivo reconectar os Olivais Sul à cidade — em particular ao Parque das Nações — através da reconversão de áreas industriais degradadas em novos centros urbanos de uso misto, reforçando a conectividade ecológica e pedonal e promovendo a diversidade e a sociabilidade essenciais para uma vida urbana vibrante, inclusiva e resiliente.

This dissertation presents a critical analysis and proposal for the urban regeneration of the Olivais Sul neighborhood in Lisbon. Olivias is one of the most emblematic examples of modernist urbanism in Portugal. Conceived in the 1960s under the influence of the Athens Charter and Clarence Perry’s Neighborhood Unit, the plan sought to create a neighborhood that was autonomous functionally and socially balanced neighborhood. However, over time, the separation of uses, formal rigidity and lack of active centralities exposed the limitations of the modernist model, resulting in social fragmentation and declining urban vitality. This research reinterprets this modern legacy through a contemporary lens, integrating theoretical reflection and digital methodology. Supported by the writings of Jane Jacobs, Jan Gehl, William H. Whyte and Christopher Alexander, it develops a new method of urban analysis focused on human scale and social interaction. The proposed methodology quantifies two key indicators of spatial performance—people on the street and eyes on the street—combining empirical observation with parametric modelling in BIM (Revit + Dynamo). The resulting simulations assess existing conditions and test design scenarios to inform an evidence-based urban strategy. The proposed intervention aims to reconnect Olivais Sul with the wider city – particularly with Parque das Nações – by transforming degraded industrial land into new mixed-use centers, reinforcing ecological and pedestrian connectivity, and promoting diversity and sociability essential for a vibrant, inclusive, and resilient urban life.

Country
Portugal
Keywords

Urban regeneration, Eyes in the street, Olhos na rua, Spatial performance, Human-scale, Regeneração urbana, Desempenho espacial, Domínio/Área Científica::Engenharia e Tecnologia::Outras Engenharias e Tecnologias, Domínio/Área Científica::Humanidades::Artes, Escala humana

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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