Considering the tendency for expansion, diversification and fragmentation of the present city´s urban spaces, and considering that in the last decades public space lost much of the formal and functional attributes that it held in the past (in the historical city), the main problem that we currently face as architects and planners, seems to be how to articulate and (re) build (new) public places that materialise, in a qualified manner, the collective experience (the new ways of living, social interaction and displacement) of the "newer parts" of the city, and that simultaneously incorporate attributes that transform them into memorable and perennial spaceslandmarks of the city that is to come. The recent practical and theoretical outputs contradictorily appear to demonstrate a relative devaluation of the structuring role of public space, especially in those less consolidated parts of the city. Regarding the architectonic and urbanistic practice, we conclude that, in a time of mediatisation of architecture (in particular by the enhancement of the image and of iconographic values), the construction of the city and the materialisation of public space expresses, in many cases, generic and epidermal responses with visible consequences in terms of urban structure and perception of the city. Regarding the theoretic outputs, the insights also do not appear, in general, to contribute towards a theoretical framework committed to a consistent practical knowledge, or the resolution of the key issues and challenges that the city faces today. Taking into account these considerations, and starting with a brief diagnosis that will focus on the major "weaknesses or controversies" that we identify in the theoretical discourse on the city and on public space, this paper will seek to focus on the importance of the urbanistic vocation of public space by identifying three main issues or key purposes to think and retrieve the public space project in the contemporary city. The three key purposes that will help us to recognize the strategic importance of public space in the contemporary European "enlarged city", and that will be analysed by using a case study, are: -the public space as an ordering element of "new urban expansion"; -the public space as a factor of reconstruction of the "city without a plan"; -the public space as a (re)structuring element of the "metropolitan city".Keywords: public space; landscape; contemporary city; urban project; urban regeneration. THE JOURNAL OF PUBLIC SPACETo cite this article: Coelho, R. (2017). Designing the city from public space. A contribution to (re)think the urbanistic role of public space in the contemporary enlarged city, The Journal of Public Space, 2(1), [95][96][97][98][99][100][101][102][103][104][105][106][107][108] DOI: 10.5204/jps.v2i1.53 This article has been peer-reviewed and accepted for publication in The Journal of Public Space. Please see the Editorial Policies under the 'About' section of the journal website for further information. IntroductionThis article present...
RESUMOOs "dregs" são resíduos gerados nos processos produtivos das indústrias de celulose e papel. A produção de celulose no Brasil tem apresentado taxas de crescimento significativas, tendo como consequência um aumento na geração destes resíduos. Os modelos de gestão sustentáveis atuais propõem caminhos alternativos para destinação final de resíduos industriais, visando substituir sua destinação para aterros sanitários. Neste sentido, o objetivo geral neste trabalho foi determinar a viabilidade econômico-financeira da utilização de "dregs" na fabricação de pavers, buscando encontrar destinação economicamente viável destes resíduos. Elaborou-se um projeto de um empreendimento que produz pavers com o uso de "dregs" na sua composição, utilizando dados de uma empresa que fabrica blocos e pavers, sediada no município de Otacílio Costa/SC, para composição do cenário base. A partir de um fluxo de caixa futuro a preços constantes, foram obtidos indicadores de viabilidade econômico-financeira considerando uma taxa de desconto de 12% ao ano, complementados com análise de sensibilidade e de risco. Os resultados indicam que o investimento tem um período de retorno de 4,5 anos, Valor Presente Líquido (VPL) de R$ R$ 424.837,45, Taxa Interna de Retorno (TIR) de 27,6% ao ano, Relação Benefício/Custo (RBC) de 1,13, e Custo Médio de Produção (CMP) R$ 48,73/m 2 . Na avaliação de risco, considerando um cenário de aumento de 20% dos custos de produção, há a necessidade de um aumento de 3,1% sobre o preço de venda do paver para garantir a remuneração mínima desejada do investimento.
O espaço público na construção da cidade portuguesa recente: três décadas em balanço The public space in the construction of recent portuguese city: three decades in perspective Referência: Coelho, Rodrigo (2016). O espaço público na construção da cidade portuguesa recente: três décadas em balanço. Revista de Geografia e Ordenamento do Território (GOT), n.º 9 (junho). Centro de Estudos de Geografia e Ordenamento do Território, p. 91-112, dx.
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