Abstract
Out of the European methods, the steel roller method (EN 12697-33) is preferred in Germany. A segmented roller is used, as specified in the German Standards in detail (acc. to TP Asphalt-StB, part 33; in German only). It is appropriate for laboratory compaction of any hot rolled asphalt mix types (such as asphalt concrete AC, or stone mastic asphalt SMA) either manufactured in the laboratory or in a mixing plant. And it realizes properties that are similar to those of specimen taken from the road. The segmented roller compaction method as described in the German Standards has been developed in the frame of several studies conducted at the Braunschweig Pavement Engineering Centre (see, e.g. Arand & Renken, 1990, 1999; Renken, 2001, 2002).
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