3D Models Integrating GPR and Apple LiDAR to Improve Results Visualization in Engineering and Geotechnical Applications

This study investigates the integration of Ground Penetrating Radar (GPR) and Apple LiDAR data for generating 3D models to improve results visualization in engineering and geotechnical applications. GPR is a widely used non-destructive method for subsurface imaging in various fields, including Brazil. However, Brazilian engineers often have limited knowledge about its principles of operation due to insufficient coverage in engineering universities. The integration of GPR and LiDAR, a remote sensing technique for creating detailed digital surface models, aims to enhance communication and comprehension between geophysics and engineering teams. Two commercial projects are presented: (1) GPR mapping of a dam affected by visible cracks and soil subsidence, and (2) subsurface mapping for utility detection and localization in a car park. The 3D integrated models demonstrated benefits such as increased efficiency in time consumption, facilitated interpretation of results, and the inclusion of additional information like diameters, depth, and volumes without compromising visualization. The integration of GPR and LiDAR for 3D model generation has proven valuable for shallow subsurface mapping in commercial applications, offering a powerful tool for engineering and geotechnical projects.