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DRIVEN PILES

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A hammered pile is installed by hammering a prefabricated element (concrete or steel) down to a preset depth or to set. The pile is driven in through repeated hammering by a pile driving hammer (metal mass). Progress is very fast to start with but the penetration rate declines the deeper the pile is driven in.

TYPES OF MEASUREMENT

The instrumentation on the job site simply, reliably and accurately controls, measures and records :

  • Depth.
  • The pile driving hammer speed prior to impact.
  • Hammering energy or drop height.
  • Penetration rate per impact.

 

THE INSTRUMENTS

The DIALOG, the LUTIN, the LT3 and the BAP160 are instruments for use in the hammered pile process; they are constructed of particularly robust materials and protected by rustproof metal housings.
 
  

THE SENSORS

Specific sensors are used to record the various parameters: the F89 and the P80 for depth, the V16C03 for frequency (diesel powered hammers), the VR28N (x2) for detecting hammer passage and impact.

  

THE SOFTWARE

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

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