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
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