Texas

The APT program at the University of Texas at Arlington was established in 2013 in Fort Worth Campus of the University. The APT loading device used is the Pavement Testing Machine (PTM) machine which is a transportable linear device capable of applying single axle loads up to a nominal 162KN (36,000lbs) in uni-directional and bi-directional modes, at speeds up to 8km/h (5mph). The test pavement length on which the speed of the axle is constant is 6m (20ft) with optional transverse wander over 0.75m (30 in.). Up to 600 axle loads can be applied in one hour. A fully enclosed environmental control chamber is used for temperature control. The PTM can be easily transported to allow in-situ testing.