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ARRB Systems has developed the first fully integrated road surface and sub-surface condition assessment system, providing functional and structural data at highway speeds.

Road agencies across the globe have similar issues in relation to managing their networks with the major question being: How long will our pavements last and what is the optimal maintenance and rehabilitation strategy? Determining a reliable remaining life of a pavement requires assessment of both the structural and functional condition.

Methods of measuring pavement deterioration have primarily focused on surface condition. For many decades structural condition assessment was based on stationary or slow-moving devices which could cause hazardous situations in normal traffic. Structural condition surveys using these devices therefore became less common, eliminating vital information about pavement structural life. Combining the two assessment techniques has, until today, been impossible. ARRB Systems iPAVe technology changes this forever.

The iPAVe collects all of the following information:

■ Pavement surface condition, including:
– Cracking
– Roughness (IRI)
– Texture (MPD and SMTD)
– Rutting
■ Continuous pavement deflection
■ Geometry (slope, crossfall, gradients)
■ Spatial location (GLONASS GPS)
■ Asset inventory imaging


The iPAVe provides continuous pavement deflection profiles, from which bearing capacity indicescan be derived and pavement fatigue can be estimated. The high accuracy and resolution of the iPAVe data enables engineers to pinpoint areas where the pavement structure may be subject to failure, providing an additional dimension for pavement evaluation.


The corresponding image shows a newly paved surface on a 16 mile sample of road. A thin overlay was completed along the first 12 miles, due to high levels of roughness, rutting and cracking. As is plainly evident, there are two underlying pavement structural problem areas in the pavement. This will lead to premature failure, as no structural information was used to evaluate the overall condition of the pavement. Had these sections been structurally evaluated, full rehabilitation could have been performed in these areas prior to the overlay, to provide a more effective treatment solution.


PARK 2000, Suite 1
10 Kyalami Road,
Pinetown, Durban,
South Africa 3610


Phone: (+27) 31 700 2500
Cell: (+27) 82 823 1092
Fax: (+27 ) 31 940 4243