Estudio geotécnico in Pruna

In the municipality of Pruna, the predominant geological substrate is formed by sandstones, conglomerates and flysch, occasionally followed by limestones, dolomites and marbles. These materials usually exhibit adequate bearing capacity for shallow foundations, particularly in areas where compact detrital materials predominate. However, the generally low permeability of these formations may favour the local presence of shallow aquifers, which requires detailed characterisation to avoid differential settlement and to ensure proper drainage on site.

The recorded seismic activity in Pruna is notable, with 98 events over the last three decades and a maximum magnitude of 4.5, which calls for the inclusion of seismic criteria in the foundation calculations and structural design. It is important to highlight the potential presence of karst in the carbonate materials, making it essential to verify this prior to the execution of any type of foundation, as the associated cavities can seriously affect ground stability. In addition, the absence of clayey soils rules out expansivity-related risks, with stability against karst-related phenomena and seismicity identified as the main geotechnical constraints in the area.