Geohazards Geotechnical Consulting Gainesville, Florida


Ground Penetrating Radar

Geohazards, Inc., uses the modern GSSI SIR-2000 and GSSI SIR-3000 digital ground penetrating radar systems with a variety of antennas to maximize depth and resolution capabilities. The radar system is employed to conduct reconnaissance surveys seeking evidence of near-surface instability, cavities, or previous excavation activities. Buried tanks, utility systems, debris, or other solid objects are also detected.

Electrical Resistivity

Geohazards, Inc., uses Wenner Array Sounding Procedures to determine relative electrical resistivity values for materials throughout approximately 100 feet depth. Interpretations of the data yield assignments of rock type and anomalous conditions such as cavities or raveling activity. Use of a Lee-directional procedure allows spatial location of anomalous values. Pole-dipole procedures are also used to portray the physical extent of anomaly sources. Results can be depicted in three-dimensional cut-away models.

Electromagnetic Surveys

Electromagnetic surveys are used with a variety of instruments such as the Geonics EM-31 or EM-33 with separate transmitter and receiver coils. This practical exploration technique yields recognition of buried metallic or highly conductive objects or materials.


Shallow Seismic Exploration

Using portable hammer-activated energy sources, Geohazards, Inc., conducts reflection and refraction profiling and sounding procedures to identify acoustic contrasts representative of lithologic boundaries or other geologic features.


Gamma Ray Logging

Gamma logging in boreholes is useful in recognizing the presence of lithologic layers with significant contrasts in gamma-producing elements. Clay layers with phosphatic clays yield recognizable signals, enabling ready identification of the tops and bottoms of systems serving as aquicludes.