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Investigation and Application of Fractured Slab Techniques for PCC Pavements; Final rept. May 96-Apr 99
| 题名： | Investigation and Application of Fractured Slab Techniques for PCC Pavements; Final rept. May 96-Apr 99 |
| 作者： | Owusu-Ababio, S.; Nelson, T. |
| 关键词： | Rubble; Concrete slabs; Asphalt pavements; Hot mix paving mixtures; Fracturing; Wisconsin; Cracking(Fracturing); Compaction; Pavement overlays; Portland cements |
| 摘要： | Slab fracture techniques, including break and seat, crack and seat, and rubblization have in recent years gained widespread recognition among pavement engineers as means for eliminating or substantially reducing the potential for reflective cracking in hot mix asphalt (HMA) overlays over portland cement concrete (PCC) pavements. Guidelines for the use of these techniques in Wisconsin, however, have not been clearly established. This reports examines the PCC rehabilitation techniques of rubblization and crack and seat used in Wisconsin and their performance. The report examines the literature and evaluates the critical issues associated with the use of PCC fracture techniques by various agencies. Several elements pertinent to fracture techniques are also identified and incorporated in a database for in-service fractured overlaid PCC pavements in Wisconsin. In addition, the in-service performance of cracked and seated and rubblized pavements in Wisconsin is evaluated. |
| 总页数： | 68p |
| 报告类型： | 科技报告 |
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