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DISTRESS INTERPRETATION FROM 35MM FILM FOR THE LTPP EXPERIMENTS.
| 题名： | DISTRESS INTERPRETATION FROM 35MM FILM FOR THE LTPP EXPERIMENTS. |
| 关键词： | PAVEMENT-DISTRESS; STRATEGIC-HIGHWAY-RESEARCH-PROGRAM; QUALITY-ASSURANCE; CAMERAS-; PHOTOGRAPHIC-FILM; PHOTOGRAPHIC-METHODS; SURVEYS-; TRANSVERSE-PROFILE |
| 摘要： | Distress surveys are one element of the monitoring effort currently underway by the Strategic Highway Research Program (SHRP) for the Long Term Pavement Performance (LTPP) study. In this study, photographic distress survey technology is being used which provides for high resolution 35mm black and white photographs and photographic transverse-profile measurements. The reduction of the distress data from film is through a computer assisted interpretation process. Film interpretations and quality assuarance (QA) are performed under the supervision of experienced engineers and technicians. Further QA is performed at regional coordination offices by personnel knowledgeable of the actual conditions at the sites. This report presents a detailed description of the film distress interpretation procedure for the SHRP LTPP study. |
| 总页数： | 1993/05. pp37 (Figs., Refs., 3 App.) |
| 报告类型： | 科技报告 |
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