Estudio geotécnico in Villanueva del Rosario

In Villanueva del Rosario, materials such as sandstones, conglomerates and flysch predominate, accounting for around 76% of the subsurface, providing a competent support for the foundations of most buildings and favouring an adequate bearing capacity. Limestones, dolomites and marbles, which occur occasionally, may appear at the surface and locally, representing a lithological variation that requires specific attention. Levels of fine sands and silts are exceptional and, due to their limited presence, rarely condition the foundation design. Permeability is low, which minimises seepage problems, but it is advisable to consider the possible presence of shallow aquifers in specific areas.

Seismicity in the area is moderate, with 23 events recorded over 30 years and a maximum magnitude of 3.5, so its structural influence is low but not negligible in sensitive projects. It is relevant to highlight the presence of karst phenomena due to the calcareous formations, and therefore it is always recommended to verify the existence of voids or cavities before proposing any foundation system. The subsoil is not clayey, which rules out the risk of expansivity and makes it easier to select conventional construction solutions. In conclusion, the main factor to consider in the geotechnical studies of Villanueva del Rosario is the possible presence of karstification in areas with limestones.