The town of Santa Cruz de Tenerife, NE Tenerife, Canary Islands, Spain, spreads on Young volcanic materials which show a great heterogeneity. Very often this means a hard problem to overcome for building projects. This paper describes the geotechnical features of volcanic formations of Santa Cruz de Tenerife on data from building geotechnical studies, geotechnical maps, and rock geotechnical properties database of the Regional Ministry of Works of the Government of the Canary Islands. An inventory of different types of building foundations has been made in order to establish a correlation between volcanic terrains and foundation solutions. As a conclusion, a geotechnical zoning map of Santa Cruz de Tenerife is proposed as preliminary foundation solutions in building projects.

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