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INVESTIGATION OF RELATIONSHIP BETWEEN ROUGHNESS AND PAVEMENT SURFACE DISTRESS BASED ON WESTRACK PROJECT.
| 题名： | INVESTIGATION OF RELATIONSHIP BETWEEN ROUGHNESS AND PAVEMENT SURFACE DISTRESS BASED ON WESTRACK PROJECT. |
| 作者： | Mactutis-JA; Alavi-SH; Ott-WC |
| 关键词： | Accelerated-tests; Depth-; Equivalent-single-axle-loads; Fatigue-Mechanics; International-Roughness-Index; Long-Term-Pavement-Performance-Program; Pavement-cracking; Pavement-distress; Roughness-; Ruts-Pavements; Surface-course-Pavements; Test-tracks |
| 摘要： | Modern pavement rehabilitation and design methodologies require an adequate evaluation of the functional capacity of pavements. A key component of this functional capacity is the roughness of the pavement. The current standard for characterization of a pavement's roughness is the international roughness index (IRI). Pavement roughness measurements were conducted at regular intervals during the application of approximately 5 million equivalent single-axle loads at the WesTrack Project, a full-scale flexible pavement accelerated loading facility located near Reno, Nevada. The results are presented of an investigation into the relationship between pavement roughness and pavement surface distress using WesTrack data. With a sample population of 317 observations, a relationship was found among the roughness (IRI) and the initial IRI, percentage of fatigue cracking, and average rut depth. A test of the relationship with data collected as a part of the Long-Term Pavement Performance Program indicates favorable results. |
| 总页数： | Transportation Research Record. 2000. (1699) pp107-113 (6 Fig., 2 Tab., 18 Ref.) |
| 报告类型： | 科技报告 |
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