Evaluation of pavement surface friction treatments.
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2011-12-01
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Subject/TRT Terms:
- Surface course (Pavements)
- Friction course
- Overlays (Pavements)
- Macrotexture
- Depth
- Sealing compounds
- Wearing course (Pavements)
- Hot mix asphalt
- Paving materials
- Milling
- Diamond grinding
- Pavement preservation
- Surface friction
- Macrotexture
- Mean profile depth
- Chip seal
- Fog-chip seal
- Fog seal
- Rejuvenating seal
- Microsurfacing
- Ultrathin bonded wearing course (UBWC), 4.75-mm hot mix asphalt (HMA) thin overlay (UTO)
- Profile milling (or diamond grinding)
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Edition:Final report.
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Abstract:The implementation of a pavement preservation program involves a learning curve with not only a determination to succeed, but ; also the courage to fail. Also, successful implementation of pavement preservation program requires knowledge of the performance of ; preservation surface treatments over time, which is critical to the select of candidate projects and the development of performance models ; for pavement management analysis. In addition, preservation surface treatments, such as chip seal, fog seal, microsurfacing, 4.75 mm thin ; or ultra-thin overlay, can not only repair certain pavement surface defects, but also change the surface characteristics of pavement and ; therefore affect pavement surface friction performance. Nevertheless, such information is currently not available but is essential for the ; Indiana Department of Transportation (INDOT) to evaluate the effectiveness of pavement preservation surface treatments. As a ; concentrated effort, this study focused on the long-term friction performance of preservation surface treatments, particularly those have ; been widely used and those have seen increasing use by INDOT. ; Based on the selected field pavement test sections, this study aimed to evaluate the surface characteristics, particularly the longterm ; friction performance for those surface treatments that have been widely used and have seen increasing use by INDOT, including chip ; seal, fog-chip, fog seal, rejuvenating seal, microsurfacing, ultrathin bonded wearing course (UBWC), 4.75-mm hot mix asphalt (HMA) ; thin overlay, and profile milling (or diamond grinding). The test sections for each type of surface treatment covered a wide range of traffic ; volume from light to high. The service life for the selected test sections varied from 6 months to 60 months. Friction testing was mainly ; conducted using ASTM E 274 locked wheel trailer. Surface texture testing was conducted using either the ASTM E 2157 circular track ; meter (CTM) or a laser scanner. Pavement roughness and noise tests were also conducted to address the smoothness and noise issues, ; particularly on microsurfacing. Detailed analysis was provided to evaluate the friction performance of 4.75-mm HMA overlays. It is ; believed that the test results and findings drawn from this study not only provides timely information for INDOT to improve its pavement ; preservation program, but also provides the original information for the potential readers to better utilize preservation surface treatments.
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Main Document Checksum:urn:sha-512:ca1809b4946d7fb3fb57ac154dc569c347a5d044cf8c25dfc92c7659f5e9ddc8331b0e443451729c8666003237eca4f2cdd6d4f08524bb6f0395d31b2bde430b