58 documents found, page 1 of 6

Crustal structure across the São Miguel Island (Azores, North Atlantic) and tec...

The crustal and uppermost lithospheric mantle of the São Miguel Island in the Azores Plateau was investigated using one 160 km long refraction and wide angle refection seismic profle across the island and the Terceira Rift along with multichan nel seismic refection profles on the top of it. P-wave velocity model shows that São Miguel Island is made up of 5 crustal layers. The sedimentary sequence varies between...

The Portuguese National Seismic Network —Products and Services

Portugal, located in the southwest region of the Eurasian plate, has been affected by several destructive earthquakes throughout its history, the most well-known being the 1755 Great Lisbon earthquake. The seismicity of the territory, both in the mainland and in the Azores and Madeira islands, has prompted the continuous development of seis- mic monitoring, from the first known macroseismic inquiry, following t...

Functional rehabilitation of heritage buildings based on reinforced concrete st...

For the definition of conservation and rehabilitation actions in buildings of heritage value, it is necessary to take into account the significant evolution processed in several functional aspects of these buildings. The complexity of the issues involved in conservation and repair of their construction elements and functional rehabilitation requires knowledge in several domains, in order to integrate, in an int...

Anomalies detection in adhesive wall tiling systems by infrared thermography

Adherent tiling systems are widely used all over the world as wall cladding because of their aesthetic and technical characteristics. However, anomalous behaviours often occur; compromising the overall behaviour of facades, and possibly raising safety risks. The need to create expeditious, non-destructive and accurate methods of inspection that can encourage these systems’ inspection and maintenance fomented a ...

Avaliação da utilização combinada de métodos de inspecção não-destrutivos de Te...

A escolha da solução corretiva das situações de fendilhação nas paredes de alvenaria de edifícios deve ser suportada pela realização de um diagnóstico das causas, o qual deve ser apoiado pela realização de um levantamento detalhado das anomalias. A identificação destas anomalias poderá ser obtida utilizando técnicas de inspeção in-situ, preferencialmente as técnicas não destrutivas (NDT). De entre os referidos ...

Evaporation from porous building materials and its cooling potential

Evaporative cooling is a traditional strategy to improve summer comfort, which has gained renewed relevance in the context of the transition to a greener economy. Here, the potential for evaporative cooling of common porous building materials, like natural stone and ceramic brick, is evaluated. The work has relevance also to the protection of built heritage because evaporation underlies the problems of dampness...

Ambient Noise Recorded by a Dense Broadband Seismic Deployment in Western Iberia

The West Iberia Lithosphere and Asthenosphere Structure (WILAS) project densely covered Portugal with broadband seismic stations for 2 yrs. Here we provide an overview of the deployment, and we characterize the network ambient noise and its sources. After explaining quality control, which includes the assessment of sensor orientation, we characterize the background noise in the short‐period (SP), microseismic, ...

Avaliação do desempenho térmico por análise termográfica de tintas refletantes ...

Avaliação do desempenho térmico de tintas refletantes aplicadas em células experimentais utilizando termografia de infravermelhos

Cool facades. Thermal performance assessment using infrared thermography

Avaliação do desempenho térmico de tintas refletantes usando termografia de infravermelhos (resultados preliminares)

A Margem Sul Portuguesa profunda