Purpose Improving friction by removing the thin bitumen film from newly laid asphalt surfaces, removing the thin cement film from newly laid concrete surfaces and removing the excess of mortar surrounding aggregates in asphalt and concrete surfaces. Method Shot peening.
Concept Design
Prototype machine tested for the first time on a concrete surface at a military airfield in Belgium.
Result showing the cleanliness of a treated block-paving surface.
Close-up of a concrete block-paving surface showing the macro texture after treatment.
In front the MAT friction improvement unit, followed by the ROW cleaning unit.
The suction pipe of the cleaning machine is connected to the shot peening machine in front.
The shot peening machine operating succesfully.
Close-up, showing the result of removing a thin bitumen film from the top of a porous asphalt road surface.
Testing prototype 2008
Machine for diamond grooving concrete and asphalt surfaces (GRT)
Purpose To improve friction of slippery roads, runways and industrial floors.
Method Hydraulic driven drum fitted with diamond saw blades.
Transverse diamond grooving on a bridge deck in progress while a bush hammering machine iswaiting for its turn to treat the surface.
Close-up of diamond grooved concrete surface.
GRT machine fitted with an in-house designed sludge suction head.
A washed concrete surface, diamond grooved, in order to improve skid resistance.
