Long term monitoring of broken and seated pavements : research implementation plan.
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2007-12-07
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Subject/TRT Terms:
- Reflection cracking
- Crack and seat treatment
- Pavement maintenance
- Comminution
- Cracking
- Pavement cracking
- Slabs
- Pavement performance
- Overlays (Pavements)
- Surface course (Pavements)
- Concrete overlays
- Pavement rehabilitation
- Break and seat
- Asphalt concrete overlay
- Reflection cracks
- Pavement performance
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Edition:Research implementation plan.
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Abstract:In 1984, ODOT began using the break and seat technique as one of the rehabilitation methods for jointed ; reinforced concrete pavement (JRCP). Approximately 200 centerline miles of pavement have been ; rehabilitated using the break and seat technique. During a review of Ohio’s pavement rehabilitation ; program by the Ohio Division of the FHWA in 1992, it was noted that performance studies of break and ; seat projects were not conclusive. As a result, the report recommended ODOT restrict the use of the ; break and seat method to non reinforced concrete pavement. ODOT imposed a moratorium on the use ; of the break & seat technique and initiated a research project in association with the University of ; Cincinnati to validate the FHWA findings. The goal of the project was to systematically evaluate the ; effectiveness of breaking and seating JRCP. Two test projects, each containing control sections, were ; constructed and monitored for a 2 ½ year period. The conclusion of this study was the break and seat ; technique did alter the structural characteristics of the test pavements and also was effective in delaying ; and minimizing reflective cracking. However, these conclusions were based on short term performance ; of the test sections. Research was needed to investigate the long term performance (10 years) of the ; break and seat rehabilitation technique.
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Main Document Checksum:urn:sha-512:9383db9d6078acdec0e3a9139608537b0799a1ca9b37a56b54e0ff11732271187fbe996c38833343a7eebcea2c518ce3c6aa04507cb060868f7b66dab3668e58