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.
Lexington, KY United States 40511-8480
- Publication Date: 2000
- Features: Figures;
- Pagination: 3 p.
- TRT Terms: Asphalt concrete pavements; Cost effectiveness; Cracking of concrete pavements; Highway maintenance; Overlays (Pavements); Pavement cracking; Pavement maintenance; Portland cement concrete; Reflection cracking; Rehabilitation (Maintenance)
- Subject Areas: Highways; Maintenance and Preservation; Materials; I32: Concrete; I60: Maintenance;
- Accession Number: 00797612
- Record Type: Publication
- Report/Paper Numbers: TB-1
- Files: TRIS
- Created Date: Aug 9 2000 12:00AM