Automatic Road Unevenness Recorder/Bump Integrator

Automatic Road Unevenness Recorder/Bump Integrator
  • An Indigenous device developed by CRRI
  • It comprises of a standard pneumatic wheel mounted within a rectangular frame with single leaf spring on either side.
  • Spring dashpots mounted on the leaf spring provide damping for the suspension
  • Integrating unit, mounted on one side of the frame integrates the unevenness in cm.
  • For the measurement It is towed by a jeep at a constant speed of 32 kmph under standard tyre pressure of 2.1 kg/cm2 along the designated wheel path
  • Bumps in cm and corresponding road length in terms of  wheel revolution pulses are displayed / recorded on a  panel board