What is the minimum thickness for a road to be cored?

In asphalt paving, coring is a critical process used to investigate the thickness and quality of the pavement structure. The minimum thickness required for a road to be cored is generally established to ensure that the sample taken adequately represents the material and structure of the pavement.

A minimum thickness of 1 inch is important because it allows for the collection of a sample that can provide enough material to assess the asphalt properties, layer integrity, and any underlying issues that may exist. If the pavement were thinner than this, the sample might not provide sufficient material for effective analysis or could lead to damage of the surrounding pavement.

This benchmark aids in ensuring that the coring process is effective and that the data gathered from the core sample can be confidently used in further evaluations or decisions regarding pavement maintenance and rehabilitation.