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 ...

The alkali-aggregate reaction (AAR) in concrete is a group of chemical reactions that involves the reaction of certain minerals present in the aggregates with alkali and hydroxyl ions in the interstitial solution of cement ...

Concrete is one of the most widely used construction material in the world. However concrete structures can deteriorate during their lifetime due to material limitations, design and construction practices and severe exposure ...

Esta comunicação aborda aspetos da aplicação da análise termogravimétrica ao estudo de materiais ilustrando com exemplos.

Neste relatório, após uma introdução em que se resumem as características do titânio e das suas ligas mais relevantes para a aplicação como material de construção e se apresentam aplicações destes materiais na construção ...

As modificações sofridas pelas argamassas de revestimento ao longo do tempo são acompanhadas de rearranjos químicos e físicos na sua estrutura, bem como de alterações nas suas propriedades químicas e físicas. Várias reações ...

In this report, results of a study carried out with the objective of establishing the conditions for artificial weathering practice adequate to patinated bronze with applied conservation treatments are presented. The work ...

Glass is a material that raises environmental issues in terms of both recycling and dumping. Some studies have shown the potential of glass as pozzolan when used as fine powder. Its use as aggregate in cementitious materials ...

Concrete swelling processes are one of the main degradation mechanisms of hydro concrete structures, such as dams. Included in this degradation phenomenon, the reactions that involve the aggregates when exposed to the ...