Estudio geotécnico in Nalda

In the municipality of Nalda, the dominant subsoil is composed of sandstones, conglomerates and flysch, which account for 65% of the soils and provide a competent foundation for footings. The occasional presence of limestones, dolomites and marbles, as well as compact gravel and sand, allows adequate load distribution, generally providing good bearing capacity. These materials usually behave as stable media for supporting buildings, although the low permeability of the formations may affect drainage and should be considered in the design of foundations.

As regards seismic activity, Nalda has moderate seismicity, with 12 registered events over 30 years, but with a maximum magnitude of 2, which implies a low seismic risk. The absence of clays stands out in that the non-clayey substrate eliminates the risk of expansivity in the ground, favouring the long-term stability of structures. The determining factor for the geotechnical study in Nalda is the appropriate identification of the bearing layer and the possible influence of groundwater in less permeable areas.