HILPOLTSTEIN EXPERIMENTAL ROAD - PART F: MEASUREMENTS OF ABRASION

VERSUCHSSTRECKE HILPOLTSTEIN - TEIL F: ABRIEBSMESSUNGEN

ABRASION ON THE ROAD SURFACE IS BEING MEASURED TWICE YEARLY IN ACCORDANCE WITH THE SHELL METHOD WHICH USES ABRASIVE BLOCKS MADE OF PLASTIC. 72 OF THESE BLOCKS ARE REQUIRED IN EACH SECTION. SUPERSEDES IRRD RESEARCH PROJECT NO. 56086.