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The Australian ALF facility was designed and built in Australia at the Australian Road Research Board in 1993 and has been in continuous operation since then. ALF applies dual loads from 40 to 80 kN (8,800 to 17,600 lb) through a dual-tire single-wheel assembly to a 12 m (40 ft) test length, at a constant speed of 20 km/h (12.5 mph). A particular feature is that it loads in one direction only. Transverse movement of the loading path covers 1.4 m (4.5 ft) and one load cycle is applied approximately every 7 seconds. ALF is a transportable machine designed for use on in-service highways or on specially constructed test pavements. The Australian ALF program is one of the oldest and most successful APT research programs in the world.
New Zealand
New Zealand
The Canterbury Accelerated Pavement Testing Indoor Facility (CAPTIF) in Christchurch was commissioned in 1987, replacing the previous accelerated pavement-testing machine at the site that was commissioned in 1969. Realistic dynamic loading is applied to test pavements with the Simulated Loading and Vehicle Emulator. The system has two arms and can accommodate, single, wide single and dual-wheels, and single to tandem-axle bogies travelling on separate wheel paths. The loading radius is 9.26 m (30.4 ft) providing a 58m (190ft) track over a 1.5 m (5ft) deep annular pit. Loads from 21 to 60 kN (4,600 to 10,150 lb) can be run at speeds up to 50 km/h (31 mph). The track is generally split into five 12m (19ft) sections using different loads on the separate wheel paths to provide 10 test sections that are typically tested to 1 million load cycles.
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