How to get a 3D subsurface image before construction

Contact information: person: Dr. Hector R. Hinojosa, PG website: www.cordillerageo.com mobile: 737.207.2536 e-mail: hector@cordillerageo.com Subscribe to our YouTube channel here: https://tinyurl.com/yxwpos5z 3D ERI (Electrical Resistivity Imaging) applied in construction engineering projects Urbanization modifies our landscape and the ground conditions, and sometimes, the ground conditions are inadequate for urbanization. Urbanization in overpopulated karst regions is now becoming a common practice worldwide. Karst terrain is a natural landscape where either surface or groundwater slowly dissolves the underground or exposed soft rock like limestone, dolomite, marble, and gypsum, leaving karstic features prone to become geohazards. Critical karst features include caves, caverns, cavities, voids, sinkholes, and open fractures in urbanized and unurbanized areas. Urban karsts can hide unknown geohazards often discovered during construction or utility work. The unwanted discovery often leads to unexpected setbacks and extra costs. Non-invasive, near-surface investigations provide essential information for an urbanization project's planning and development stages. 3D ERI can quickly identify unexpected shallow geohazards before, during, and after excavation or construction. This video shows an example.