ASTM D5340-20 PDF Download

The ASTM D5340-20 standard provides guidelines for visually evaluating the condition of asphalt-surfaced pavements in airports. The standard introduces the Pavement Condition Index (PCI), a numerical indicator used to rate the surface condition of the pavement. The PCI serves as a measure of the present condition of the pavement, assessing distresses observed on the surface. It offers insights into the pavement's structural integrity, operational condition (roughness and safety), and assists in determining maintenance and repair needs.

It's important to note that the PCI does not measure structural capacity, skid resistance, or roughness directly. Instead, it provides an objective and rational basis for prioritizing maintenance and repair activities. By continuously monitoring the PCI, early identification of major rehabilitation needs can be achieved, thus enabling effective planning and resource allocation. Additionally, the PCI feedback contributes to the validation and improvement of current pavement design and maintenance procedures.

The standard clarifies that the PCI method is applicable to various types of airport pavements, including both asphalt-surfaced and plain or reinforced jointed Portland cement concrete pavements, as well as porous friction courses. It highlights that the measurement is based on a collective judgment of pavement maintenance engineers and does not replace the need for direct measurements of roughness, structural capacity, texture, or friction. The PCI for airport pavements was developed by the U.S. Army Corps of Engineers, with subsequent verification and adoption by organizations such as the FAA and the U.S. Naval Facilities Engineering Command.