Estudio geotécnico in Dosbarrios

In Dosbarrios, soils predominate comprising sandstones, conglomerates and flysch, followed by outcrops of calcareous and dolomitic rocks, together with the occasional presence of gypsum, anhydrite and salts. The geotechnical behaviour of these materials, which are mostly compact and of low permeability, generally provides good bearing capacity for building projects, although the occasional presence of gypsum and salts introduces a potential dissolution risk that must be assessed specifically. The compact gravels and sands, although infrequent, also provide favourable conditions for shallow foundations, whereas white/soft expansive clays have a minimum occurrence and do not represent a significant constraint.

As regards seismicity, Dosbarrios records a very low number of events (8 in 30 years) and a low maximum magnitude (Mmax 2.5), so the local seismic risk is very limited. The non-clayey substratum rules out the risk of expansivity, providing greater stability for future foundations. Nevertheless, it is essential to verify the possible existence of karstification in the calcareous and dolomitic formations before founding, as this can be a primary constraint for the structural integrity. In this municipality, control of karst and the dissolution of gypsum are the critical aspects to consider in any geotechnical study.