An evaluation of the cost effectiveness of D-cracking preventive measures : research implementation plan.
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2006-12-07
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Edition:Research implementation plan.
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Abstract:Laboratory studies have found that reducing the particle size of D-cracking susceptible coarse aggregates will greatly
improve the durability of concrete exposed to freeze-thaw conditions. A test road located on State Route 2 near
Vermilion, Ohio, was built in 1974 and 1975 with specific sections to investigate the role aggregate source and size,
as well as subbase drainage systems, pavement joint design, subbase materials, joint sealants, cement, type of cure,
and joint spacing on concrete durability. The test sections were rehabilitated in 1992. While developing plans for the
1992 rehabilitation, a significant difference in repair quantity was needed for the various sections due to the difference
in performance. Research was initiated to determine the cost effectiveness of the various treatments.
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