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VIBRO-FLOTATION

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Using vibrators to compact the ground is known as Vibrofloatation or Vibrocompacting. This is a technique used for stabilising granular soils such as loose sand, gravel and backfill material. The method consists in using vibration to create a suspension with the particles so that they can be rearranged to form more dense material.



TYPES OF MEASUREMENT

Instrumentation is used to measure, check and record the parameters for foundation processes that use vibration for compacting ground and materials :

  • Depth of treatment.
  • Inclination.
  • Vibratory power.
  • Volume of the material.
  • Amplitude, frequency, temperature and inclination of the vibrator.

 


THE INSTRUMENTS

The LT3 and the DIALOG are contained in a compact and totally waterproof housing that has a membrane keyboard and a backlit LCD screen. From the screen, the operator can control compaction process parameters in real time.
 
 


THE SENSORS

Specific sensors are used to record the different parameters: the depth parameters are recorded by the P80S and the PH2, inclination by the IA1620; a BS sensor button is used to count the number of grabs while the C16400 is used for hydraulic vibratory power, the MI16500 for current and the CCPVBF for vibrator amplitude, frequency, temperature and inclination.

  


THE SOFTWARE

The EXVBF software is used for data application purposes; it generates and provides a simple display of the various parameters.

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