Report for pavement testing and analysis of Highway 90 in Harrison County, Mississippi.
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2007-03-01
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Abstract:On November 29, 2006, Fugro Consultants, Inc. (Fugro) initiated falling weight
deflectometer testing on US 90 in Harrison County, Mississippi.
This testing was performed in general accordance with our Work Authorization proposal
dated November 2, 2006, which was authorized by the Mississippi Department of Transportation
on November 8, 2006. Additionally, the investigation was conducted in accordance with the
terms and conditions contained in our Master Professional and Consulting Services Agreement.
Based on the limited availability of pre-existing structural capacity data, this testing was initiated
with the understanding that direct comparisons of the impact of Hurricane Katrina and associated
flooding could also be limited. The importance of keeping water out of pavement structures is
fairly well documented (Ref. 1 & 2); however, it is believed that the data collected under this
investigation should (at the very least) serve as a suitable benchmark for what the structural
capacity of the route tested was (within 14 months of the flooding) anticipating that accelerated
deterioration of this route is to be expected (Ref. 3).
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