Estudio geotécnico in Viladecans

In Viladecans, fine sands and silts predominate. These soils, due to their low cohesiveness and high permeability, allow for an adequate bearing capacity, particularly when the thickness is sufficient for load transmission. In the presence of overconsolidated clays and marls, which may be found at some depth, hard and stable substrata are arranged that make it possible to consider shallow or surface foundations, always after first verifying the depth of the competent stratum. At some isolated points, the presence of slates and schists provides rigid support, although this may be relevant in works involving deep excavation.

The seismicity in this municipality is very low, with low magnitude values and limited recurrence, which represents a minor constraint in the design of structures. However, since karstic formation is present, it is essential to carry out a detailed ground investigation to rule out voids or subsidence before executing the foundation, as its development may affect long-term stability. The main geotechnical constraint in Viladecans is the verification of the combined karst, together with monitoring of the layer in which the foundation is located, rather than the risk from expansivity, which is ruled out by the non-clayey nature of the dominant substrate.