For example, if the pavement is expected to be subjected to high traffic loads and high temperatures, a binder with rutting and cracking resistance at high temperatures will be required. To ensure optimal performance and longevity, the binder's properties must match the requirements of the pavement design. The growing popularity in using polymers and other additives to asphalt binders is increasing the use of performance testing, since needed to highlight the property modifications given by these materials.Īsphalt binder testing results are used to select the best binder for a specific pavement design. These tests are intended to mimic the actual conditions that the pavement will be subjected to, such as temperature, traffic load, and ageing. Performance tests are typically more complex and time-consuming than empirical tests, and they necessitate the use of specialised equipment and expertise. Performance testing, on the other hand, involves measuring the binder's performance under realistic field conditions.
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