Estudio geotécnico in Madroñera

In Madroñera, the dominant ground corresponds to phyllites and schists, metamorphic materials that cover more than 96% of the municipality and generally show low permeability. These lithologies usually provide good bearing capacity for buildings, although they may sometimes require checks on the continuity of the layers and the presence of fragmentation. Igneous rocks, such as granites and gneisses, although in the minority, also offer suitable conditions for shallow foundations, provided that the homogeneity of the rock mass in the area of action is verified.

Seismicity in Madroñera is notable, with 56 recorded events in the last 30 years, although the maximum magnitude is 3.1, which limits its influence on design, but justifies a specific assessment for sensitive buildings. There is no evidence of karstification in the area, which reduces additional constraints. The non-clayey substrate rules out the risk of expansivity; the homogeneity of the substrate and the low permeability are the key aspects to be analysed in geotechnical studies in order to found on ground that is safe and stable.