The research presented in this paper identifies several distress mechanisms that asphalt
base and concrete-asphalt interphase may experience in concrete overlay on asphalt (COA) …

A research study was conducted with the goal of determining the expected performance life
of thin bonded concrete overlay of asphalt (BCOA) in California. Eleven thin BCOA sections …

Concrete overlays are an important component of Iowa's rural road network. More than
2,000 centerline miles of concrete overlays have been paved in Iowa over the last few …

As funds to construct, maintain, and preserve our highway infrastructure become
increasingly stretched, it is imperative that the criteria for selection of concrete mixtures and …

Concrete overlays provide cost-effective maintenance and rehabilitation strategies for
pavement systems. A database has been developed in Iowa that records the historical …

Concrete overlays provide a promising solution to extending pavement life, and are currently
the focus of the Federal Highway Administration Every Day Counts initiative. Despite their …

Concrete overlays are a growing solution in the United States for pavement rehabilitation
and preservation. Many different overlay types and designs can be used based on existing …

Optimized joint spacing is crucial to ensure concrete overlay performance and service life.
While pavement joints are used to control cracks in concrete slabs and help relieve stresses …

The use of concrete overlays has long been recognised as a cost-effective pavement
maintenance and rehabilitation strategy. However, the long-term performance of various …

Several asphalt pavements prematurely reached the end of their design life due to wheel
loading has dramatically increased on highways. Therefore, transportation and highways …