Which type of asphalt is characterized by a dense graded design?

Dense Graded Asphalt is characterized by a tightly packed arrangement of aggregates, which helps provide a smooth surface and ensures good load-bearing capacity. This type of asphalt mix contains a well-graded blend of aggregate sizes that allows for minimal air voids when compacted, resulting in a durable and strong surface suitable for high-traffic areas.

The design of Dense Graded Asphalt combines various sizes of aggregate to fill the gaps, thereby enhancing stability, strength, and water resistance. This makes it an ideal choice for a wide range of applications in roadway construction where a robust surface is necessary.

In contrast, the other types mentioned in the choices do not focus on a dense grading of aggregates. Open-Graded Asphalt Friction Course, for instance, features larger voids intended for drainage, while Warm-mix Asphalt is known for its environmental benefits through reduced temperatures during production. Emulsified Asphalt Mixes primarily involve a liquid asphalt binder, which does not necessarily center around a dense graded approach.