Historic ceramic tiles (azulejos) are a valuable cultural asset in Portugal, being linked with its architecture for several centuries. In the 17th century, Portuguese azulejos were manufactured by the majolica process ...

A comunicação explora as linhas de investigação actualmente seguidas no LNEC no campo da conservação dos azulejos históricos, divulgando resultados exemplificativos.

Neste relatório apresentam-se as classificações obtidas nos Ensaios Interlaboratoriais de Cimentos realizados no Laboratório de Química, do Núcleo de Betões no período de 2005 a 2010. Estes ensaios foram coordenados pelo ...

To assess the quality of polyethylene pipes compounded with recycled polyethylene for applications in drainage and sewerage, several analysis techniques were applied, some of them being not previewed in the performance ...

Climatic and environmental conditions are often very severe for construction materials, namely in the presence of high humidity or in direct contact with water. However, some historical buildings currently are in very ...

In order to achieve the issues of compatibility for the design of new repair products a complete characterization of the original materials is of extreme importance. Gypsum plaster materials are not an exception to that ...

The corrosion resistance of both welded and unwelded bars of Fe-Cr-Ni and Fe-Cr-Mn austenitic stainless steel alloys embedded in concrete was studied. Welded bars have been transiently either in an active or passive condition ...

Estudo por espectroscopia de impedância electroquímica das propriedades anti corrosivas de um revestimento híbrido (orgânico-inorgânico)obtido pelo processo sol-gel em função da quantidade de água de hidrólise adicionada.

The use of superabsorbent polymers (SAP) is effective in controlling internal desiccation of cementitious materials with low W/C. Until now, the use of this type of products is limited to research and special applications. ...