NEES NEES

Equipment

Mobile Shakers

T-Rex (Tri-Axial)

T-Rex (Tri-Axial)
  • Buggy-mounted vibrator
  • Total weight: 64,000 lbs (29,030 kg)
  • 32 ft (9.8 m) long
  • 8 ft (2.4 m) wide

Liquidator (Low Frequency)

Liquidator (Low Frequency)
  • Buggy-mounted vibrator
  • Total weight: 70,000 lbs (31,750 kg)
  • 32 ft (9.8 m) long
  • 8 ft (2.4 m) wide

Thumper (High Frequency)

Thumper (High Frequency)
  • Modified International 4300 Truck
  • Total weight: 24,820 lbs (11,258 kg)
  • Built for use in urban environments

 

Raptor (P-Wave)

Raptor (P-Wave)
  • Y-1100 P-Wave Vibrator
  • International Paystar 6x6 chassis
  • Total weight: 38,000 lbs (17,236 kg)
  • 32 ft (9.8 m) long
  • 8 ft (2.4 m) wide

Rattler (Shear-Wave)

Rattler (Shear-Wave)
  • Mertz 13/609 Shear-Wave Vibrator
  • All-terrain 6x6 chassis
  • Total weight: 53,300 lbs (24,176 kg)
  • 28.5 ft (8.7 m) long
  • 8.5 ft (2.6 m) wide

Big Rig

Big Rig
  • 26-wheeler tractor-trailer rig for shipping T-Rex, Liquidator, and Rattler
  • Overweight permit required

 

Project Support Vehicles

Instrumentation Van

Instrumentation Van
  • Modified Ford E-350 cargo van
  • 1-ton AWD chassis
  • Cellular modem (512/512Kbps)

F-350 Fuel Truck

F-350 Fuel Truck
  • Modified Ford F-350 pickup truck
  • 1-ton AWD chassis
  • 5-passenger crew cab
  • 105-gallon vehicle fueling tank

Instrumentation Trailer

Instrumentation Trailer
  • Modified Wells Cargo trailer
  • Air conditioned workspace
  • 7.5 kW Onan diesel generator
  • Isolated cargo area with ramp

Data Aquisition Systems

VXI Analyzer

VXI CT-100C Image
  • 72 channels
  • four 16 channel cards (50 kHz)
  • one 8 channel card (100 kHz)
  • swept-sine and through-put options

Data Physics Mobilyzer Analyzer

Data Physics Mobilyzer Image
  • two 16 channel units
  • each channel supports 100 kHz
  • multiple units can be combined
  • stepped-sine and through-put options

Data Physics Quattro Analyzer

Data Physics Quattro Image
  • Ultra portable and rugged
  • USB 2.0 powered Quattro offers real-time FFT analysis capability
  • DC to 93 kHz (204.8 KSamples/second)

Instrumentation

Geophones

Geophones Image
  • Vertical 1Hz geophones
  • Horizontal 1Hz geophones
  • 3-component 10Hz geophones

Liquefaction Sensors

Liquefaction Sensors Image
  • built for subsurface use
  • 3-component MEMS
  • pore pressure transducer (PPT)

CPT

CPT Image
  • 1 Movable CPT Hydraulic Cylinder
  • 3 CPT Cones
  • Measurement Depth: 100 ft

 

Compact Seismometer

Compact Seismometer Image
  • Trillium Compact 3-component 120 second seismometer
  • Taurus 24-bit Digital Seismograph
  • Precision GPS reference

GPS

Trimble GeoXH Image
  • High-performance submeter GPS
  • 512 MB onboard memory
  • Rugged handheld with all-day battery