United States Department of Transportation
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Bio-Inspired Stabilization of Levee Slope on Expansive Yazoo Clay at the Maritime and Multimodal Transportation Infrastructure in Mississippi
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2023-08-31
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[PDF-5.48 MB]
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Edition:Final Research Report
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Abstract:Mississippi’s expansive Yazoo clay experiences slope failures and shallow landslides that result in distressed foundations, roadways, and levees that are integral components of the maritime and multimodal transportation infrastructure. The wet-dry cycles inherent in the Mississippi climate cause shrinking and swelling that result in desiccation cracks, and the increased annual precipitation caused by climate change is allowing more moisture to infiltrate the weathered Yazoo clay, which means that the frequency of shallow landslides is expected to increase. The significant cost of remediation is borne by the maintenance budget of the Mississippi Department of Transportation, the US Army Corps of Engineers, and private and public property owners, and finding sustainable solutions that reduce costs and improve mitigation is vital.
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