Ribeiro, Telma
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Last Name
Ribeiro
First Name
Telma
Name
Telma Ribeiro
Biography
Ph.D. in Conservation Sciences (2021) from Nova University of Lisbon, in partnership with the University of Minho, with a specialization in earthen heritage. Diploma of specialization (2012) in conservation of stone materials, by the Nicolaus Copernicus University, Torún (Poland). Master’s degree in Conservation and Restoration (2008) from Nova University of Lisbon with a specialization in stone heritage. Bachelor’s degree in Conservation and Restoration (2006) from Nova University of Lisbon.
Is currently an Assistant Professor at the Department of Architecture and Multimedia Gallaecia of Portucalense University, teaching the curricular subjects of Materials and Constructive Analysis, Urban Heritage, Legislation and Heritage Protection, and Diagnosis and Technologies of Conservation and Restoration. She collaborates, in the same institution, with the Clinic of Conservation and Restoration as a conservator-restorer in different projects of conservation and restoration of built heritage and museum objects.
Previously, she worked as a conservator-restorer participating in the preparation, diagnosis, elaboration, execution, and supervision of different conservation and restoration interventions in various national monuments.
Identifiers
8217-D888-1C84
57203569842Research Projects
Organizational Units
CIAUD-UPT - Centro de Investigação em Arquitetura, Urbanismo e Design
O Centro de Investigação Gallaecia é responsável pela investigação e produção científica do DAMG. A equipa tem ganho regularmente financiamento para projetos de investigação, como coordenador ou parceiro, em candidaturas da FCT (projeto SEISMIC-V), programa Cultura 2000 (projeto VerSus) ou da Europa Criativa (projeto 3DPAST). A equipa realiza igualmente, consultoria e prestação de serviços a Municípios, assim como apoio às comunidades nas Juntas de Freguesia e Santa Casa da Misericórdia. Os principais projetos de investigação ganhos e coordenados pela equipa têm sido dedicados sobretudo a património vernáculo, arquitetura de terra, Património Mundial e multimédia. Atualmente, encontram-se em desenvolvimento, os projetos “Versus+: Heritage for People” do programa Europa Criativa, com participação de 4 países (2019-2023); e o projeto “SizaAtlas: Filling the gaps” projeto FCT, coordenado pelo ISCTE, com parceria da FAUP e da UPT (2021-2024).
Devido ao desenvolvimento ativo de projetos, de formação e capacitação, de valorização e proteção de património vernáculo e de arquitetura de terra, a equipa foi outorgada, com a Cátedra UNESCO de “Arquitetura de Terra, Desenvolvimento Sustentável e Culturas Construtivas”, da UNITWIN e Chaire UNESCO da CRAterre; e é membro institucional da Rede Ibero-americana PROTERRA de arquitetura e construção com terra.
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Publication Open Access 20th-Century World Built Heritage Facing Water: Conservation of Fallingwater and Boa Nova Tea House2024-09-21 - Milão, Susana; Ribeiro, Telma; Neves, Isabel Clara; Lima, Ana; Pacheco, Luís PauloThe conservation of 20th-century architectural heritage presents unique challenges due to the modern materials and construction techniques used by pioneering architects. This paper investigates the preservation challenges of iconic architectural works exposed to water environments, focusing on Fallingwater by Frank Lloyd Wright and the Boa Nova Tea House by Álvaro Siza Vieira. These structures, situated in natural settings with significant exposure to water, serve as case studies for examining conservation methods and their broader implications. This study explores archival documents, interviews with conservation experts, and literature reviews to highlight the main degradation phenomena related to the impact of environmental conditions on the material’s integrity. Despite limited specific data on monitoring and maintenance, this research underscores the importance of ongoing conservation efforts. Fallingwater’s case highlights the necessity of restoration techniques, while the Boa Nova Tea House illustrates minimal intervention strategies to maintain authenticity. This study concludes that the effective conservation of 20th-century built heritage necessitates a balance between preserving original design intents and adapting to environmental challenges. It emphasizes the need for innovative conservation strategies, adherence to international guidelines, and the establishment of comprehensive management and monitoring plans to safeguard the integrity and authenticity of culturally significant architecture.Publication Open Access SI3 for urban resilience: A human-nature driven paradigm shift2023-12-01 - Maia, Jorge; Viana, David; Ribeiro, TelmaIn a world increasingly marked by environmental challenges and climate uncertainties, the urgency for a paradigm shift in our relationship with the planet Earth has never been more evident. The increasing awareness of time running out underscores the immediacy of action necessary to alleviate the impact of human activities on the planet’s resources and to address the pervasive effects of environmental issues and climate change. Moreover, as these adjustments unfold, there arises a need to reconsider the foundations of a shared future that is socially, environmentally, and technologically viable, and, consequently, it is necessary to rethink our connections with one another and the broader built environment – encompassing individuals, communities, and societies. This paper contends that the ongoing and forthcoming transformations necessitate a continuous re-evaluation of our common ground to ensure a more sustainable and resilient future for all. Therefore, this research advocates for the implementation of the SI3 framework as a catalyst for this paradigm shift – a framework that integrates inclusive, innovative, and intelligent solutions to foster urban resilience in the face of an evolving world. The imperative need for a transformative change in the way we perceive and interact with our built environment is also addressed through the NBC (nature-based cities) and GIM (green information modeling) models. Likewise, the challenges of dealing with the existing built environment are explored within the SI3 scope, emphasizing the importance of collecting and analyzing data related to space appropriation, daily flows, public space usage, social-spatial dynamics of buildings, and building energy consumption. By synthesizing and understanding this sort of data, the paper argues that cities can be better equipped to adapt, evolve, and thrive in the face of ongoing and future challenges, contributing to a more resilient and sustainable urban future.Publication Restricted Access The use of contact sponge method to measure water absorption in earthen heritage treated with water repellents2022 - Oliveira, Daniel V.; Bracci, Susanna; Ribeiro, TelmaEarthen heritage represents an important legacy regarding construction history and technological development, with a significant cultural value that must be preserved. According to UNESCO, around 10% of the World Heritage is built using earth, and 57% of these heritage structures are in danger. Although the interest regarding earthen heritage has grown in the last few years, there is still a significant lack of knowledge in terms of material characterization, especially from conservation science point-of-view. In particular, tests regarding water absorption are always difficult to perform with a material that changes completely when in contact with water. Indeed, due to the presence of clay particles, a normal capillarity test is almost impossible to perform. Moreover, water is responsible for a significant number of degradation phenomena often found in earthen heritage. As a result, there is an urgent need to develop suitable water repellent treatments and to evaluate their efficiency. For this reason, this study focuses on the contact sponge method to assess water absorption rates for adobe and for rammed earth specimens treated with three different water repellents — siloxane, linseed oil, and beeswax. Two sets of specimens were prepared and tested, showing that this method can represent an effective way to measure initial water absorption in earthen materials, and promising results from the tested water repellent treatments were found.Publication Open Access An overview of university and post-university education in vernacular architecture2023-11-29 - Andrade, Bruno; Sousa, Goreti; Ribeiro, Telma; Correia, Mariana; Lima, AnaOne of the premises advocated by the two European projects – VerSus / Lessons from Vernacular Heritage to Sustainable Architecture and VerSus+ / Heritage for people – is that vernacular heritage, both in its tangible and intangible components, can teach invaluable lessons and principles concerning sustainable architecture. Vernacular architecture is indeed a good example concerning sustainability, since it fully integrates cultural, social, and economical aspects, but especially constructive traditions while respecting the surrounding nature and habitat. In order to reach the full potential of these lessons and assure vernacular heritage protection and survival in this fast-paced world, a strategy for its teaching and awareness is required. University training plays a central role in this outcome, since it can raise awareness for the values of vernacular architecture in the sustainable development of cities and communities. In this sense, this chapter will present a series of good practices of university education, associated with this important challenge.Publication Restricted Access When graffiti is not art: the damage of alkyd sprays on calcareous stones employed in cultural heritage2013-01 - Dionísio, Amélia; Ribeiro, TelmaIn order to evaluate the damage of alkyd sprays on calcareous monument stones, limestone and marble samples of renowned building materials and ornamental stones in the Portuguese architecture, Lioz and Branco, were submitted to artificial graffiti. The harmfulness was assessed in relation to the variation of water vapour permeability, static contact angle, water microdrop absorption, chromatic changes and surface contact roughness. For evaluation of the degree of the aerosol’s penetration into the stone and the morphological surface changes, Scanning Electron Microscopy was used. Apart from the aesthetics aspects, which threaten the historical significance of the monument, the current research has shown that alkyd sprays used in graffiti interact with the stone substrate by reducing the water vapour permeability of the studied stones and thus leading to water condensation just underneath the paint. Moreover a significant reduction of the roughness of the stone surfaces is generated by the application of these paintings, creating a smooth and uniform overcoat that modifies surface texture and the details intentionally left in the original work of art. The water repellency of the stone surfaces is also significant incremented. An increase knowledge of the interaction of alkyd sprays with stone materials provides valuable insight and greater understanding of the vulnerability of stone to graffiti vandalism, namely to some Portuguese monument stones.Publication Open Access Managing vernacular knowledge for builders and designers2023-11-29 - Dipasquale, Letizia; Florentino, Rui; Ribeiro, Telma; Correia, MarianaValues of authenticity, identity, and cultural significance that are often associated with historical cities and heritage centres are undoubtedly linked to a continuity in traditional knowledge. Building masters have been responsible not only for keeping the tradition alive but also for the conservation of the local architecture. Based on their experience, know-how, creativity, and craft skills, the masons are able to explore the local materials and adapt them to their construction needs (Karakul, 2015). The transmission of vernacular knowledge is a practical, dynamic, and reactive process. It is usually an 'on site' apprenticeship, through observation, practice, and experiential learning. Due to the progressive loss of masters and apprentices, direct on-site transmission is not always guaranteed. In fact, especially in western countries we have witnessed a progressive loss of knowledge, know-how, techniques, and use of natural and low-impact materials for construction. To counteract this process, the role of public and private entities that try to keep traditional skills alive through the organisation of workshops, courses or training field schools is indeed relevant. During workshops and short courses architects and professionals can understand the materials and procedures, as well as the technical limits of building techniques and their implementations, all of which is useful information for a good design. For builders and craftsmen, it is essential that the experience lasts longer and can be repeated. In all these cases, oral transmission and observation are the main way of transmitting tacit knowledge.Publication Restricted Access Aerosol-paint graffiti: the effects on calcareous stone2009-02-01 - Dionísio, Amélia; Aires-Barros, Luís; Ribeiro, TelmaThe aim of this study was an evaluation of the harmful effects of aerosols used for graffiti upon cultural heritage made of stone. Two types of Portuguese calcareous stone were studied, a marble, Branco, and a limestone, Lioz. These are the most common materials used for statues in public areas in the city of Lisbon. Samples were collected from quarries at Estremoz and Pêro Pinheiro areas. Two sets of parallel studies were conducted, namely on sound and on artificially weathered samples. Graffiti were simulated using alkyd resin aerosols ,with different colours. The harmfulness was assessed in relation to the variation of water vapour permeability, static contact angle, water microdrop absorption, chromatic changes and surface contact roughness. Scanning Electron Microscopy was used to study the degree of the aerosol’s penetration into the stone and the morpho-logical surface changes. The results obtained showed that the alkyd aerosols introduced significant changes inwater vapour permeability, water repellency and surface morphology, for both types of stone.Publication Restricted Access Natural and synthetic consolidants for Earth Heritage: A review2019 - Oliveira, Daniel V.; Lourenço, Paulo B.; Ribeiro, TelmaSince ancient times, natural products have been used to preserve earthen structures. Old recipes with cactus resin, bee wax, or linseed oil, have passed through generations and, in some countries, are still used nowadays. On the other hand, 20th and 21st centuries brought synthetic products as a solution to restore and conserve historical buildings. Although these synthetic products were extensively studied for stone-based monuments, they are also being used in earth heritage. The act of consolidating a degraded surface is, in conservation field, one of the most sensitive points, since the options available do not offer reliable solutions. Most of the times, the product applied, specifically in earth heritage, do not embrace two of the most important aspects in any conservation procedure: compatibility and reversibility. This paper aims to review the main consolidants (natural and synthetic) commonly used in earth heritage conservation, and also to draw the attention for the importance of a solid diagnosis of the initial state of conservation. With this review, it was possible to understand a lack of homogeneity in the identification of decay phenomena, as well as in recognizing its mechanisms of occurrence, and consequently in choosing the proper consolidant or treatment.Publication Open Access Teaching vernacular architecture: Different pedagogical approaches in higher education2023-11-29 - Ribeiro, TelmaVernacular architecture offers a wide range of lessons that can be taught in the courses of architecture and urban design degrees. By applying progressive and strategic methods, these lessons are addressed in nine different courses of the Integrated Masters of Architecture and Urbanism at UPT. This represents almost 20% of the credits of the Integrated Master’s programme. The approach began at the Escola Superior Gallaecia and is now continued at Portucalense University (UPT), following the integration of the school into the University, in September 2021. Portucalense University promotes pedagogical innovation through regular training programmes, open to all its professors. It intends to change the interaction between students and professors, creating a positive environment where creativity and engagement are valued. One of the most effective ways of involving students with vernacular architecture is the Project Based Learning method.Publication Open Access Protecting earthen heritage using a green strategy: a study about natural water repellents2020-01-01 - Oliveira, Daniel V.; Bracci, Susanna; Ribeiro, TelmaUsing earth as a construction material is an ancient technique that can be found around the world in monumental and vernacular architecture. Earthen heritage is also associated with maintenance techniques employing natural and local products still being used in some countries. Having those methods as a background, this paper proposes to adopt a green conservation strategy and a scientific approach, learning from traditional procedures to apply on earthen heritage. In the present research, three natural products – arabic gum, linseed oil and beeswax – were studied in terms of efficiency with adobe specimens, by means of non-destructive tests (colorimetry and water absorption). The obtained data shows promising results regarding the use of natural products as an alternative for earthen heritage protection.