Estudio geotécnico in Almoster

In Almoster, slates and schists predominate, which forms a substrate of metamorphic nature with bearing capacities generally favourable for construction, provided that fracturing and the occasional presence of altered soils are controlled. Secondarily frequent materials, such as sandstones, conglomerates, flysch, gravels and compact sands, together with outcrops of granite and gneiss, add diversity to the geotechnical setting, but in general they maintain good stability conditions and allow the option of shallow foundations, except in the case of abrupt lithological transitions.

Seismicity in Almoster is very low, with only two recorded events in the last 30 years and a maximum magnitude of 1.7, so it does not represent a relevant factor in structural design. The geotechnical study can rule out the risk of expansivity given the non-clayey substrate present and there are no signs of karstification in the area. The main constraint is set by the low permeability and the possible presence of discontinuous shallow aquifers; these factors must be verified to ensure adequate drainage and stability of the ground.