What materials are typically included in asphalt mixtures?

The correct answer includes aggregates, asphalt binder, and additives as the primary components of asphalt mixtures. Aggregates refer to the various materials that provide structural integrity and volume to the asphalt, which typically includes gravel, sand, and crushed stone. The asphalt binder serves as a glue that forms a cohesive mixture, binding the aggregates together to create a durable paving surface. Additives may be incorporated to enhance specific properties of the asphalt, such as improving its resistance to temperature fluctuations, enhancing stability, or increasing longevity.

This combination of components is essential for producing a reliable and effective pavement material that can withstand the stresses of traffic and environmental conditions. Understanding the role of each component helps in both the mixing process and the evaluation of the finished product's performance in road applications.