GPR profile of karst
feature
confirmed by drilling
- Abandoned mine workings
- Borrow areas
- Concrete
slab thickness &
reinforcement - Corrosion potential
- Depth to bedrock
- Landslides
- Lava tubes
- Leaks in earthen
dams, clay &
HDPE liners, and buried
water mains. - Liquefaction
potential (Shear
Modulus and Poisson's Ratio) - Near vertical, clay-filled fractures
- Offshore
geohazards (slumps,
steep slopes, pressurized gas) - Permafrost
- Rock ripping potential
- Seepage from earthen structures
- Sinkholes
- Slurry walls
- Soil layering
- Vibration
monitoring (blasting,
deep dynamic compaction) - Voids beneath concrete slabs
- Water depths
GPR profile across a
reinforced concrete slab with a
1 GHz antenna.
Sinkhole evaluation
using a L&R Model G
Gravimeter with
Aliod100 Upgrade
The effectiveness of a geophysical method can be influenced by site conditions. Experience, therefore, is key to getting the most out of a geophysical survey.
Electrical resistivity profile of top of rock and karst conditions
Quantum Geophysics uses CADD to quickly and easily superimpose geophysical drawings, for example contour maps and profiles, onto client basemaps so that the findings can be evaluated with respect to known conditions.
Bouguer
gravity contour map of a
proposed detention basin showing
a
linear karst feature confirmed by drilling
SP contour map showing leak in
36"
buried water mains
Environmental Geophysics | Groundwater Geophysics
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