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

It is a Vehicle Mounted Bump Integrator System
This Vehicle Mounted Bump Integrator consists of an integrating unit which is mounted in the dicky on the rear axle of a car/jeep.
Integrating unit, mounted on the dicky integrates the unevenness in cm or pulses.
For the measurement vehicle is run at a constant speed of 32 kmph
Bumps in cm or pulses and corresponding road length in meters are recorded on a computer based data acquisition system.

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