Estudio geotécnico in Maceda

In the municipality of Maceda, granitic materials, gneisses and other igneous rocks predominate, as well as a significant proportion of sandstone, conglomerates and flysch. These strata, with high stiffness and low deformability, generally provide a good bearing capacity for foundations. The occasional presence of slates and schists may involve local variations in ground stability, so it is advisable to carry out specific investigations in areas where these materials crop out. In general, permeability is low, allowing only superficial aquifers of limited extent, which favours the stability of structures but requires attention to possible surface ponding.

The seismicity in Maceda falls within a moderate range, with 16 recorded events over thirty years and a maximum magnitude of 2.9, which does not represent a relevant structural constraint for conventional design. There are no signs of karstification or risks associated with expansive soils, since the dominant substrate is clearly non-clayey. As a key aspect to consider in the geotechnical study, particular emphasis is placed on lithological heterogeneity and the need to control the possible presence of slates or altered zones, which may affect the response of the ground to foundation loads.