Conclusions from the investigation of deterioration of joints in concrete pavements.
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Published Date:2016-02-01
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Language:English
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Publication/ Report Number:TPF-5(224)
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Abstract:Premature deterioration of concrete at the joints in concrete pavements and parking lots has been reported across the northern
states. The distress may first appear as shadowing when microcracking near the joints traps water, or as cracks parallel to and
about 1 inch from the saw cut. The distress later exhibits as a significant loss of material. Not all roadways are distressed, but the
problem is common enough to warrant attention.
The aim of the work being conducted under this and parallel contracts was to improve understanding of the mechanisms behind
premature joint deterioration and, based on this understanding, develop training materials and guidance documents to help
practitioners reduce the risk of further distress and provide guidelines for repair techniques.
While work is still needed to understand all of the details of the mechanisms behind premature deterioration and the prevention
of further distress, the work in this report has contributed to advancing the state of the knowledge.
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