Estudio geotécnico in Mañón

In Mañón, shales and schists predominate, present across around 88% of the territory, with sporadic occurrences of granite, gneiss and other igneous rocks. These materials form a low-permeability substratum that can hinder the drainage of water, although in altered areas surface aquifers may exist. The bearing capacity of these soils is generally suitable for most shallow foundations, provided that weathered or very fractured levels are avoided.

With regard to geodynamics, seismicity in Mañón is moderate, with 11 recorded events in the last 30 years and a maximum magnitude of 2.2, which does not represent a relevant constraint for design. The non-clayey substratum rules out the risk of expansivity, and there are no karst-related phenomena that would affect foundation design solutions. The main aspect to control will be identifying altered zones or low compaction within the predominant materials.