AIRFIELD MARKING PAINTS. I. EFFECT ON CRACKING OF SLURRY SEAL.
Abstract
A study is being conducted to determine the basic causes of early failure of airfield marking paints and the deterioration of underlying slurry seal and asphaltic pavement associated with these paints. In the present report, data and statistical analyses are presented on the initial cracking of slurry seal along the edges of stripes of 20 experimental paint formulations. Such cracking, which in some cases occurred as early as 2 weeks after application, was generally followed by edge lifting and then by loss of adhesion of slurry seal to the underlying asphaltic pavement. Stripes of paint containing chlorinated rubber cracked extremely rapidly, especially such stripes with a double thickness. Alkyd painted stripes generally had less cracking than oleoresinous painted stripes. Poorer performance of alkyd paints was associated with a solvent of high boiling range, and poorer performance of oleoresinous paints with solvents of low aromaticity. The addition of a slight amount of carbon black to the test paints raised the temperatures of stripes to only a very slight extent. This addition improved the performance of some test paints but lowered it for others. Stripes with greater flexibility generally had less edge cracking. There were numerous interactions between the above paint variables. Further causes of marking paint failure and the related damage to pavements and slurry seals are being investigated and will be reported later. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1965
- Accession Number
- AD0622555
Entities
People
- Richard W. Drisko
Organizations
- Naval Facilities Engineering Service Center