2018
DOI: 10.18285/geonomos.v26i1.1235
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Geodiversidade Ex Situ E Serviços Ecossistêmicos Associados Ao Patrimônio Construído Da Cidade Do Natal, Rio Grande Do Norte

Abstract: Resumo:A cidade do Natal, nordeste do Brasil, possui diversos exemplos de emprego de elementos da geodiversidade de forma ex situ, fora de seu local natural de ocorrência. Blocos de rochas ígneas, sedimentares e metamórficas foram utilizadas desde o século XVII em edificações, arruamentos, monumentos ou em obras de contenção da dinâmica costeira. A partir da finalidade de uso de cada um desses elementos, agrupou-se, neste trabalho, as principais obras em Natal que possuem o registro de uso da geodiversidade, c… Show more

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Cited by 6 publications
(11 citation statements)
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“…The incorporation of inorganic materials into organic precursors to produce a hybrid composites lead to new material properties [1]. Silicon and silicon oxide are considered to be a significant nanoparticles, which can be embedded in the polymer solution to achieve new hybrid material [2]. For instance, carbon/silicon (C/Si) composite nanofibers can be prepared by a judicious combination of colloid electrospinning and subsequent thermal treatments.…”
Section: Introductionmentioning
confidence: 99%
“…The incorporation of inorganic materials into organic precursors to produce a hybrid composites lead to new material properties [1]. Silicon and silicon oxide are considered to be a significant nanoparticles, which can be embedded in the polymer solution to achieve new hybrid material [2]. For instance, carbon/silicon (C/Si) composite nanofibers can be prepared by a judicious combination of colloid electrospinning and subsequent thermal treatments.…”
Section: Introductionmentioning
confidence: 99%
“…By comparing the results for each mixture from Table 4, the concrete with 0.60% MCI stood out, because it presented the lower average values of absorption by immersion, 5.551%, and of voids, 12.594%, what avoided the chloride ions penetration; since these factors are directly related to the transport rate of aggressive agents into the concrete. According to Silva [34], the amine-based corrosion inhibitor can absorb part of the mixture's water or react in some way with the silicates present in the cement paste, reducing the absorption and voids.…”
Section: Absorption Voids and Specific Gravitymentioning
confidence: 99%
“…The 0.30% MCI addition did not achieve any inhibition efficiency, as already noticed herein in the other tests. Nóbrega [38] and Silva [34] explain that corrosion inhibitors for concrete have an optimal point of addition and that, for values above or below this concentration, they may have an inverse behavior: that is, acceleration of the corrosive process instead of mitigation. Their results about corrosion show the importance of the careful analysis in the specification of this type of chemical admixture.…”
Section: Inhibition Efficiencymentioning
confidence: 99%
“…Em relação a Natal, foram identificados os estudos de Azevedo (2010), Medeiros (2014), Macedo (2015), Correia (2016), Montenegro (2018), Vasconcelos (2019), Silva (2019 e Alves (2019). Em relação a estes, cabe mencionar que são caracterizados por abrangerem diferentes dimensões no âmbito conceitual de vulnerabilidade socioambiental e, consequentemente, aos conceitos e categorias.…”
Section: Escalas E Contextos Diversos Na Região Nordesteunclassified
“…A contemporaneidade dos estudos de Vasconcelos (2019), Silva (2019) e Alves (2019) auxilia a evidenciar a diversidade da produção científica sobre Natal. Vasconcelos (2019), baseada em framework e urbanização e mediante a dimensão de bairro, lança o seguinte questionamento: "Como analisar a vulnerabilidade socioambiental nas cidades brasileiras considerando o processo de expansão urbana e suas implicações sociais?"…”
Section: Escalas E Contextos Diversos Na Região Nordesteunclassified