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Category: Petrographics

  The concrete pavement on Court Avenue, in Bellefontaine, Ohio was installed in 1893 as part of a project to pave all 4 streets surrounding the Court House of this small c…
Physical, chemical, and petrographic properties were assessed to better understand the 125-year-old pavement’s durability and longevity... https://www.amengtest.com/news/articles/2019/02/project-update-aet-examines-sample-oldest-concrete-pavement-america/


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