Estudio geotécnico in Sant Gregori

In Sant Gregori, soils formed by compact gravels and sands predominate, together with sandstones, conglomerates and flysch, which represent most of the near-surface substrate. These lithologies generally provide good bearing capacity for foundations, enabling conventional direct solutions in most cases. The occasional presence of slates, schists and igneous materials such as granite and gneiss also contributes to a stable construction base, although it is advisable to take into account the fine sands and silts, present in a smaller proportion, which may locally reduce bearing capacity or require specific point-level analyses.

The region exhibits very low seismicity, with only 3 recorded events over 30 years and a low maximum magnitude (Mmax 2.4), so the seismic influence on structural design is minimal. Since the dominant substrate does not have an clayey character, the risk of ground expansiveness is ruled out. Consequently, the main geotechnical consideration for projects in Sant Gregori will be identifying the thicknesses and the lateral continuity of the compact gravels and sands, to ensure safe and homogeneous foundation support.