When we constructed sections with a tapered edge, the wedge often broke off or cracked. How is the Safety Edge different?
The Safety Edge is smaller than the typical tapered pavement edge. Because it is formed by a spring-loaded shoe that constrains the asphalt head, the density of the extruded profile increases. Using a single plate strike-off to form a tapered edge will not produce a durable edge. Both the spring and the rounded shape of the shoe are critical to obtaining the Safety Edge.
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