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Crosshole Sonic Logging Series
System designed for testing of newly placed
critical drilled shaft foundations and slurry walls using ultrasonic
logging between water filled access tubes.
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Impulse Response
For low strain integrity and foundation
length determination. Tests both new and existing foundations.
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Parallel Seismic Series
For length determination of unknown foundation
depths for bridges and buildings even if foundation tops are not
accessible.
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Sonic Echo
For low strain integrity and foundation
length determination. Tests both new and existing foundations.
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Crosshole Tomography Software
For situations where simple CSL in not enough, TOMO-1 allows users
to create an image of the size, shape, and severity of any defects
present in a drilled shaft. Tomography results presented in either 2-D or 3-D displays, with animation possible.
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Ultraseismic
Variation of the SE method (above), developed by Olson Engineering.
Foundation testing on abutments, walls, and other non-shaft type
foundations.
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Slab Impulse Response
Test for subgrade support/void evaluations and structural integrity
evaluations of void, honeycomb, delamination, cracking on concrete
pavements, slabs, spillways, tunnels, etc.
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Impact Echo Series
Flaw detection, concrete thickness testing,
masonry thickness testing, with one-sided access
for testing on a point-to-point basis.
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Spectral Analysis of Surface Waves S Series
For determination of stiffness profiles, i.e., velocity and thicknesses
of thin layered systems such as pavements, tunnel liners, structural
concrete, etc. without coring and with one-sided access.
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Structural Tomography Software
For concrete and masonry structural elements of buildings, bridges
and other structures, tomography allows the user to create an actual
image of the size, shape, and severity of hidden, internal defects.
Tomography test and analysis software includes 2D and 3D displays
with animation.
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Ultrasonic
Pulse Velocity
For measuring the speed of sound and
signal strength in concrete, wood, masonry, rock and other coarse-grained
material with two-sided access.
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Crosshole Seismic, Downhole Seismic
Series
For downhole determination of seismic velocities and soil
and rock properties by measuring their compression and shear wave
velocities.
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Spectral Analysis of Surface Waves G-Series
For measuring seismic velocities and identifying soil and rock
layer thickness without drilling borings.
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Geotomography Seismic System
For imaging subsurface soil, rock and karsinkhole conditions
based on multiple angled sonic pulse velocity measurements. Also
applicable for condition evaluation between drill holes of concrete
and masonry dams (shown on left), footings and other massive structures.
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