Geotechnical study in Aldeamayor de San Martín

In Aldeamayor de San Martín, the main geotechnical substrate is made up of compacted gravels and sands, which provide good bearing capacity conditions and allow the use of shallow foundations in most cases. Occasionally, levels of limestones and dolomites may be found, which may require specific adaptations in the foundation design. The presence, although rare, of gypsum, anhydrite and salts implies a potential risk of dissolution processes, which must be taken into account in assessing ground stability for any project.

The municipality shows high seismicity, with more than 200 events recorded in the last 30 years and a maximum magnitude reached of 4.7, which implies that seismic analysis is essential in structural design. Additionally, given that the development of karst phenomena is possible, specific verification of existing cavities or prior dissolution is essential prior to any foundation intervention. The presence of expansive clays is only secondary, mainly associated with not-too-problematic climatic conditions, so the main conditioning factor will be the risks arising from seismicity and any possible karst processes.