Engineers faced with the maintenance and rehabilitation of portland cement concrete (PCC) pavements will find this study on the repair of joint- and crack-related distress of PCC pavements of great interest. Procedures for evaluating and selecting the appropriate repair and preventative techniques are presented. Detailed design and construction guidelines and guide specifications representing the latest state of practice were developed for seven different techniques: (1) full-depth repair of the pavement, (2) partial-depth patching, (3) subsealing pavement slabs, (4) restoration of load transfer across joints and cracks, (5) grinding of the pavement surface to provide smoothness, (6) resealing joints and cracks, and (7) improving support along the pavement slab edge. Documented field demonstration and void detection procedures using nondestructive deflection testing to locate areas requiring subsealing are included in separate appendixes.
Samenvatting