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Ohio Route 50 joint sealant experiment : research implementation plan.
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2005-05-01
[PDF-82.56 KB]
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Alternative Title:Ohio Route Fifty joint sealant experiment : research implementation plan
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Edition:Research implementation plan.
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Abstract:Research in the state of Wisconsin over the past forty years has found no noticeable difference in
performance between jointed concrete pavement (JCP) constructed with a sealed contraction joint and
JCP constructed with a single, narrow, unsealed saw cut. The research was extensive, investigating
pavements constructed with free draining bases or dense graded bases on fine grained or coarse grained
subgrades. As a result of this research, Wisconsin has not sealed joints in concrete pavement since
1990. Wisconsin’s experience led other states to investigate the effectiveness of sealing joints. In 1991,
as a supplement to the LTPP SPS-4 experiment, Arizona DOT installed a joint seal experiment containing
more than 20 different sealants as well as unsealed joints on US 60 in Mesa. In cooperation with Arizona
DOT, similar test sections were constructed in Nevada, Utah and Colorado. Following discussions with
ADOT’s research engineer, ODOT decided to construct a test section identical to the ADOT site in order
to provide data for the wet-freeze climatic zone. This research project was initiated to document the
construction of the test sections and to monitor and report the initial performance of the test sections.
This project was financed entirely with federal funds provided by the FHWA Test and Evaluation Project
30, “High Performance Concrete Pavement”.
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