Estudio geotécnico in Rubiá

In the municipality of Rubiá, the predominant substrate is made up of phyllites and schists, which together account for more than 80% of outcrops, accompanied in places by limestones, dolomites and marbles, and small proportions of compact gravels and sands. These rocks generally exhibit low permeability and often provide good bearing capacity for shallow or semi-deep foundations. However, the localised areas where calcareous and dolomitic materials predominate may require additional assessment of foundation conditions, given their more rigid nature and higher bearing capacity.

Seismicity in Rubiá is moderate, with 39 events over the last 30 years and a maximum recorded magnitude of 3.4, so it does not represent a significant constraint in structural design. Nevertheless, the possible presence of karstification associated with calcareous and dolomitic materials makes it necessary to carry out a specific prior investigation, as there are risks linked to voids or underground caves that may affect the stability of foundations. The absence of clayey soils rules out risks due to expansivity in the area. The main geotechnical constraint for projects in Rubiá will therefore be the detection and assessment of possible karst in calcareous ground.