Fracture and Cavity Detection and Mapping in construction foundations case study-1

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Courtesy of Geomorph Instruments

Area of Implementation: Chalepa, Chania, Crete, Hellas
System Used: SIR-10A (GSSI) w Antenna 300MHz (GSSI)
Scope: To detect and map fractures and cavities in bedrock at a construction site
Method of investigation: Profile Grid
In-situ GPR System Calibration: By comparing GPR interpretation results to actual cross sections
GPR Data Processing & Software Used : WinRAD 3.1 (GSSI) and RADAN V.6: Boxcar Stacking, LowPass FIR, Migration, Hilbert
Transform
Profile Interpretation : Fractures and Voids were located and mapped (in terms of extension and dimensions)
3D representation: WinRad 3.1
Additional Data : Seismic Refraction with a Geometrics 12-channel Seismograph

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