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DEVELOPMENT OF LONG-LIFE OVERLAYS FOR EXISTING PAVEMENT INFRASTRUCTURE PROJECTS WITH SURFACE CRACKING IN NEW JERSEY.
| 题名： | DEVELOPMENT OF LONG-LIFE OVERLAYS FOR EXISTING PAVEMENT INFRASTRUCTURE PROJECTS WITH SURFACE CRACKING IN NEW JERSEY. |
| 作者： | Rowe-G; Sauber-R; Fee-F; Soliman-N |
| 关键词： | Depth-; Interstate-highways; New-Jersey; Overlays-Pavements; Pavement-cracking; Pavement-distress; Polymer-asphalt; Rehabilitation-Maintenance; Service-life |
| 摘要： | Existing pavements represent significant capital expenditure on infrastructure. Appropriate maintenance insures that the existing pavement infrastructure is maintained in the most cost-effective manner. Pavements in New Jersey have been the subject of extensive evaluation to determine the best treatment options while making maximum use of the existing structure. The interstate I-287 in Morris County, New Jersey was showing considerable signs of distress in the early 1990s. The rehabilitation of this highway followed an evaluation of the structure that revealed both a hardened binder in the existing pavement layers and surface cracking. The degree of surface cracking was evaluated by extensive coring and materials testing and then confirmed through falling-weight deflectometer testing of all pavement travel lanes. The existing pavement materials provided an excellent stiff-base structure utilizing the existing pavement infrastructure. The surface-cracked layers were removed to a depth consistent with the crack depth and replaced with a polymer modified asphaltic overlay. The pavement is currently performing in an excellent manner and is expected to give many years of surface before maintenance is required to restore riding quality. |
| 总页数： | Transportation Research Circular. 2001/12. (503) pp96-107 (Phots., Figs., 4 Tab., 5 Ref.) |
| 报告类型： | 科技报告 |
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