Estudio geotécnico in Premià de Dalt

In Premià de Dalt, the ground is composed mainly of compacted gravels and sands, together with a significant proportion of granite, gneiss and other igneous rocks. This combination gives the subsoil high and stable bearing capacity, generally allowing the design of shallow foundations directly on competent strata. The low permeability of the materials, together with the occasional presence of shallow aquifers, may require attention in controlling the groundwater level for deep foundations or basements.

Local seismicity is very low, with only five recorded events in the last 30 years and a maximum magnitude of 1.6, so it does not represent a relevant factor in structural design. The non-clayey substrate rules out the risk of expansiveness, facilitating the execution of conventional foundations. Therefore, the most decisive aspect in the geotechnical study in Premià de Dalt will be properly identifying the depth and continuity of the granitic or sandy bearing levels.