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Kuab FWD 50

Kuab - bearing capacity measurement

KUAB FWD (Falling Weight Deflectometer)  is a device capable of delivering dynamic loads to the pavement surface, similar in magnitude and duration to that of a single moving, heavy wheel load. The response of the pavement system is measured in terms of vertical deformation, or deflections, over a given area using deflection sensors. 

MAIN PARTS

  • car – Toyota Landcruiser
  • single axle/ double axle trailer with bump sensors and thermometers for measuring air and road surface temperature
    weight 1600 – 1800 kg, lenght 5,2 m x width1,9 m x height 2,5 m
  • odometer
  • control computer with accessories
  • KUAB software for device control and analysis of measured data

 MEASUREMENT ON THE ROAD – VIDEO

  Kuab - interiérmeasurement parameters:

  • load range : 12 –50 kN
  • load rise time : 23 – 17 msec
  • load duration : 60 – 40 msec
  • segmented load boards: priemer 300 mm
  • bend sensors
  • number of seismomoters : 7 pcs
  • accuracy : 1 mikrometer
  • temperature measuring
  • air thermometer
  • infrared thermometer for measuring road surface temperature

Kuab - detail obtained road characteristics:

  • vertical deformation, or deflections
  • bearing capacity

Kuab       

 Updated: 14.9.2016

Published: 1.12.2010


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PF 2018

PF 2018

30.12.2017

Road Databank thanks for your cooperation in the previous year and wishes good luck, health and success in the New Year – 2018! 

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