Repair of studded tire damage, I-5 pilot project, M.P. 276-278 Northbound Section : construction report.
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1997-05-01
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Alternative Title:Repair of studded tire damage I-5 pilot project, MP 276-278 Northbound Section : construction report.
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Abstract:In 1996, a pilot project to repair studded tire damage on continuously reinforced concrete (CRC) pavement was constructed on Interstate 5 north of Salem, Oregon. The test section was about 5 km (3 mi) long on a three-lane section of highway. Rut depths on this section were about 20 mm (.80 in.) with most of the damage in the center lane. Since the average daily traffic volume (ADT) was greater than 45,000, the work was done at night.
Four different thin asphaltic concrete (AC) overlays were placed on the test section. The first was a standard open graded F-mix. The second was the same F-mix with mineral fibers added. The third was a 38 mm (1.5 in.) stone mastic coarse aggregate mix. Finally, the last section was paved with a 25 mm (1.0 in.) lift of a fine stone mastic mix lift.
The work was completed near the end of the paving season and was delayed by a week due to rain. The night paving and the late season low temperatures caused some lay down problems. Lumping of the mix slowed the paving operation and produced a rough ride. Compaction was also low and inconsistent.
The section will be monitored for distress for two years. Raveling and/or rutting will be checked periodically.
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