Despite reinforced concrete bridges being highly durable, they remain susceptible to natural ageing and disasters, potentially impairing their performance over time. This drives an increase in maintenance, rehabilitation, ...
This paper aims to provide information on rammed earth and masonry mortars of the Fernandina defensive Wall of Lisbon, Portugal, which was built in the second half of the 14th century. No previous information exists ...
The popularity of natural cement (Roman cement) in buildings from the late 19th and the
beginning of the 20th century and the high diversity of characteristics of natural cement demand
research of mortar and binders used ...
Correia, M. J.; Santos Silva, A.; Fontinha, I. R.(Universidade do Minho, 2023-09)
Recommendations on the intervention plans, materials, and techniques for the
conservation and restoration of built heritage should be based on sound knowledge of
both heritage and its constituent materials conservation ...
This paper addresses the study of renders and plasters’ physical and mechanical characteristics
from selected buildings awarded during the 20th century with a renowned architectural
prize in Lisbon, Portugal. The ...
This paper reports on the study of renders and plasters from 20th-century award-winning buildings in Lisbon (Portugal) with the Valmor Prize for Architecture. The mortars have been investigated through XRD, optical and ...
Lopes dos Santos, A. R.; Veiga, M. R.; Santos Silva, A.(MDPI, 2023-04-07)
Along the Portuguese coastline, several military fortifications were built with the intention to protect the territory from the constant military threat from the sea. These constructions have been subjected, during centuries, ...
DB-HERITAGE provides open and free sharing of wide-ranging technical data on hundreds of samples of building materials from diverse periods, extracted from Portuguese built heritage all over the world. It has been developed ...
Correia, M. J.; Santos Silva, A.; Fontinha, I. R.(UM, 2023-09)
Recommendations on the intervention plans, materials, and techniques for the conservation and restoration of built heritage should be based on sound knowledge of both heritage and its constituent materials conservation ...
Correia, M. J.; Fontinha, I. R.; Pereira, E. V.(UM, 2023-09)
Built heritage constitutes a legacy that is received from the past, experienced in the present, and that should be preserved for future generations. However, the succession of this legacy is sometimes lost because the ...
Fontinha, I. R.; Correia, M. J.; Pereira, E. V.(Universidade Nova de Lisboa, Departamento de Física LIBPhys-UNL, 2023-05-10)
Electrochemistry can provide valuable information on metallic artifacts patinas stability and conservation treatments performance. Therefore, the use of electrochemical techniques in multi-analytical studies on the ...
Anodizing is commonly used for corrosion protection of aluminum and its alloys in the construction industry. The anodic aluminum oxide (AAO) coating has a high ability to prevent the development of extensive pitting corrosion ...
Fontinha, I. R.(Arquivo Municipal de Lisboa, Câmara Municipal de Lisboa, 2021-07-15)
Os materiais metálicos do século XX apresentam propriedades físicas e de resistência à corrosão com interesse para a arquitetura, tendo neste âmbito uma ampla gama de aplicações. Contudo, estão sujeitos a degradação, ...
Lopes dos Santos, A. R.; Veiga, M. R.; Santos Silva, A.; Brito, J.(Elsevier, 2020-05)
In recent years the study of renderings within conservation practice has acquired major technical and methodological advances. Due to the need of compatibility, usually repair mortars must be based on lime, and standardized ...
Tungsten is a critical raw material for European and U.S. economies. Tungsten mine residues, usually considered an environmental burden due to e.g. arsenic content, are also secondary tungsten resources. The electrodialytic ...
Santos Silva, A.; Veiga, M. R.; Correia, M. J.; Amaral, J.(Universidad de Navarra, 2018-11)
É reconhecido que as intervenções de conservação e restauro em edifícios e monumentos antigos devem respeitar os materiais originais, implicando por isso o conhecimento das características dos materiais, originais e de ...
A conservação e restauro do património arquitetónico construído é uma área de atuação complexa e que, por isso, exige uma grande interdisciplinaridade. Várias intervenções realizadas em Portugal optaram pela remoção dos ...
Santos Silva, A.(Associação Nacional de Tecnologia do Ambiente Construído, 2018-10)
A cal aérea é um ligante com grande durabilidade, como atestam inúmeros vestígios arqueológicos da época romana e não só. Quando é referido que uma determinada argamassa ou pintura mural foi executada com cal aérea, poucas ...
Ferraz, A. R. E.; Fernandes, I.; Soares, D.; Santos Silva, A.; Quinta-Ferreira, M.(IOP Publishing Ltd, 2017-12)
Several concrete structures had shown signs of degradation some years after construction due to internal expansive reactions. Among these reactions there are the alkaliaggregate reactions (AAR) that occur between the ...
Esteves, H.; Fernandes, I.; Janeiro, A.; Santos Silva, A.; Pereira, M.; Medeiros, S.; Nunes, J. C.(IOP Publishing Ltd, 2017-12)
Several concrete structures show signs of deterioration resulting from internal chemical reactions, such as the alkali-silica reaction (ASR). It is well known that these swelling reactions occur in the presence of moisture, ...