PORTLAND CEMENT CONCRETE REHABILITATION: CRACKING & SEATING PRIOR TO OVERLAY WITH ASPHALT CONCRETE

The most common form of rehabilitation for portland cement concrete (PCC) pavements is to overlay them with asphalt concrete. Invariably, reflective cracks coming through the asphalt overlay will cause maintenance problems and lead to deterioration. Although many innovative interlayer or crack-controlling techniques have been tried in the past with varying degrees of success, the PCC slab reduction methods offer the most cost-effective alternative in many situations. These methods include a range of size reduction levels to minimize movement, the most effective of which (especially for non-reinforced plain-jointed slabs) has been "cracking and seating" the existing slabs while maintaining some degree of aggregate interlock load transfer. In this technical bulletin, the design considerations and construction techniques of the cracking and seating method of PCC rehabilitation are discussed.

  • Corporate Authors:

    Asphalt Institute

    2696 Research Park Drive
    Lexington, KY  United States  40511-8480
  • Publication Date: 2000

Language

  • English

Media Info

  • Features: Figures;
  • Pagination: 3 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00797612
  • Record Type: Publication
  • Report/Paper Numbers: TB-1
  • Files: TRIS
  • Created Date: Aug 9 2000 12:00AM