Instructions for FGSV 722

Increasing traffic volumes on roads are placing higher demands on bitumen and bituminous binders. Therefore, it is necessary to make more precise estimations about the material behavior in order to guarantee the longevity of the roads.

Seasonal temperature changes often cause fatigue and thermal cracking in asphalt. By using high quality raw materials and the right mix ratio of bitumen and minerals, the performance and durability of asphalt can be improved.

The properties of bitumen at different temperatures can be determined and optimized by testing rheological parameters that describe stiffness and deformation.

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