Rutting resistance
There are a number of test methods which are suitable to prove the stability and the rutting resistance dependent on the kind of asphalt.
This applies especially to the rutting test (Asphalt Binder and Stone Mastic Asphalt), dynamic tests with pre-load and the indentation test (Gussasphalt).
High strength bituminous layers
HMT 22H with the addition of Trinidad Natural Asphalt NAF 501 – results of a suitability test extended from Switzerland