Is obtaining compaction on the Safety Edge a concern?
The typical paving process does not compact the pavement edge, and often raveling and pavement edge deterioration occurs. The current safety edge shape of 30 to 35 degrees is an important safety characteristic; however, without consolidation, the safety edge is also susceptible to deterioration. With an appropriate screed attachment shoe, such as the one developed by Georgia DOT or one that is available commercially, adequate consolidation is attained via extrusion of the material. The high degree of compaction required in the wheel path is not necessary on the edge. Compaction of concrete is, of course, not an issue.
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