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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IMG_6026

Initial Results of Survey Reveal Reach, Efficacy of e-Construction in Practice e-Construction, as defined by the joint FHWA-AASHTO initiative of the same name, is paperless construction administration and delivery. This includes electronic submission of all construction