Improving the Foundation Layers for Concrete Pavements: Lessons Learned and a Framework for Mechanistic Assessment of Pavement Foundations

Project Details
STATE

IA

SOURCE

TRID

END DATE

01/31/21

RESEARCHERS

David J. White, Pavana K. R. Vennapusa, Bora Cetin

SPONSORS

FHWA TPF-5(183)

KEYWORDS

Concrete pavements, Lessons learned, Mechanistic-empirical pavement design, Pavement performance, Perpetual Pavements, Portland cement concrete, quality assurance, Service life, Subbase (Pavements), Subgrade (Pavements)

Project description

This report summarizes the key findings and lessons learned from the series of field, laboratory, and advanced numerical studies performed under Federal Highway Administration (FHWA) Transportation Pooled Fund Study TPF-5(183). This research program was established by the partnering state departments of transportation (DOTs) to identify opportunities to document the as-constructed conditions and advance the quality and economy of the foundation layers for portland cement concrete (PCC) pavements, leading to improved support for long-life pavement systems. The key findings and lessons learned are drawn from detailed pavement foundation test programs in the participating states of California, Iowa, Michigan, Pennsylvania, and Wisconsin.
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