In this work a methodology for extraction and classification of coastal features from video images is applied and tested. The approach is based on object-oriented analysis applied over a time series of video images to ...

Neste ARTIGO, é testada a extracção automática de elementos ao nível municipal a partir de uma imagem QuickBird de Lisboa. Seleccionou-se uma zona da cidade que abrange porções das freguesias do Beato, Marvila, e S. João. ...

The paper presents a description of the Picote II site, the objectives of the study that was carried out to assess the in situ state of stress in the rock mass, details of the testing programme and the methodology used for ...

Structural safety control of concrete dams is based in the analysis of the response of the structure, characterized by the evolution of several variables representative of its behaviour. Among these variables are absolute ...

Abstract. The application of discrete element models based on rigid block formulations to the analysis of masonry walls under horizontal out-of-plane loading is discussed. The problems raised by the representation of an ...

O Simulador de Cenários Sísmicos, LNECloss, é uma ferramenta computacional que permite avaliar perdas em consequência de um cenário sísmico especificado [LESSLOSS, 2007]. Esta ferramenta automática compreende vários módulos, ...

A tunnel has been under construction for the Lisbon Metro network on the muddy bed of river Tagus. An incident during the jet-grouting for the muddy soil treatment led to flooding of a specific sector of the tunnel and ...