GTeC CPT System

The Cone Penetration Test is based on pushing an instrumented cone into the ground at a constant speed, with continuous measurement of the cone end resistance, the friction along the sleeve of the cone, and the pore water pressure.

  • Seabed CPT system
  • 25/40kN thrust capacity
  • Real time control and data display
  • Water depth rating 2000m
  • Frame inclination
  • 5, 10 & 15cm2 piezocones
  • T-bar testing
  • Subsea automated control unit
  • Battery operated
  • Acoustic telemetry or RS422 data cable
 CPT in Moonpool

TECHNICAL SPECIFICATIONS

  • CPT Unit Dimensions 

2.2(L) x 2.2(W) x 2.7m(H) 
  • Standard weight 

3.9 tonnes
  • Mast height – 5m unit

6.7m
  • Water depth rating 

2,000m
  • Base area GteC 1

2.25 or 4m²
  • Penetration speed

2cm/sec ± 10%
  • Base area GteC 2&3 

4m²
  • Cone size

 5, 10 & 15cm2

APPLICATIONS

  • Pipeline route surveys
  • Site assessment surveys
  • Pre-dredge geotechnical surveys
  • Calibration of surficial geophysical data
  • Reclamation quality control
  • Nearshore site investigations
  • Mineral exploration
  • Cable route surveys

TYPICAL VESSEL REQUIREMENTS

  • Crane or ‘A' frame of sufficient capacity for safe launch and recovery
  • Ability to hold station
  • 240V 3-phase power supply 20KVA
  • Minimum deck area of 25-50m2

 

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