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Construction
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What is inside this section: Construction

Construction quality is crucial to the long-term pavement performance. Construction factors such as surface preparation, placement, joint construction and compaction/consolidation have an overwhelming effect on pavement performance, which cannot be ignored or compensated for in mix or structural design.

Figure 6: Steel Wheel Rollers

Compaction

Compaction is the process by which the volume of air in an HMA mixture is reduced by using external forces to reorient the constituent aggregate particles into a more closely spaced arrangement.

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Featured Article

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When a road is built, we naturally want it to be durable. Roads can be built using different materials, but the quality of the end product depends on how it is constructed, not just the inherent properties of the materials themselves. So what does durability mean, and how can we achieve it? In general, durability … Read more »