Estudio geotécnico in Marratxí

In Marratxí, fine sands and silts predominate, representing more than half of the near-surface materials, followed by a significant presence of limestones, dolomites and marbles. This type of substrate generally favours adequate bearing capacity for foundations, although the heterogeneity of the materials may require detailed characterisation. The presence of aquifers with moderate permeability and production implies precautions in deep excavation works and may influence the choice of foundation type depending on the groundwater levels and the possible presence of saturated zones.

Seismic activity in Marratxí is moderate, with 24 events over 30 years and a maximum magnitude of 3.2, which does not involve demanding constraints but does recommend its inclusion in structural analyses. Given the predominance of carbonate materials, the development of karst phenomena is a risk to consider; therefore, it is essential to verify the existence of cavities or subsidence before proceeding with the foundation. The absence of clayey soils rules out expansivity risks, with the possible karst being the main factor to analyse in the geotechnical study of the area.