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Publicação
Padrão de deformação de movimentos de vertente em áreas periurbanas
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Orientador(es)
Resumo(s)
The occurrence of landslides triggered by intense or long-lasting rainfall events in the region north
of Lisbon has produced considerable material losses related with the partial or full destruction of
infrastructures, in particularly roads and buildings. This problem becomes more relevant in the peri-urban
areas as it is the case of the Grande da Pipa River basin that registered a potential growth resulting from the
proximity of the Lisbon city. As an exploratory approach, this study allowed to evaluate the damage pattern
in buildings and roads as consequence of landslides occurrence. To achieve that goal the following topics
were considered: the resistance of the exposed element, the intensity of the landslide, and the spatial
relationship between the exposed element and the different sectors of the landslide that affect it. For
buildings the lack of data did not allow to define any deformation pattern. In the case of roads three different
deformation patterns can be inferred by the way roads relate with the landslide sector which originates the
damage. When the landslide rupture surface is located above the road the damage level registered was
negligible. When the road is located within the landslide area the degree of loss registered increased (slight
loss or significant). When the road is affected by a landslide scarp or landslide flank, variable degrees of loss
were observed which appear to be dependent on the vertical steps existing in the landslide scarp or flanks.
Descrição
Palavras-chave
Landslides Vulnerability Deformation pattern Buildings Roads Grande da Pipa River basin