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Evaluating the Effects of Heavy Sugar Cane Truck Operations on Repair Cost of Low Volume Highways : Technical Summary Report
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2008-10-01
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By Saber, Aziz
[PDF-56.48 KB]
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Edition:Technical summary report.
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Abstract:Current Louisiana state laws allow truck operators hauling certain agricultural commodities to purchase overweight permits and haul at gross vehicle weights (GVW) in excess of the legislated GVW limit of 80,000 lb. For instance, sugar cane truckers may purchase an overweight permit for $100/year and then carry sugar cane at a GVW of 100,000 lb., using the FHWA Type 9 vehicle. Such practice has generated a concern on the life span of local low volume roads on which those trucks travel. The Louisiana Department of Transportation and Development instituted this study to investigate the overloading effect of sugar cane trucks on highway infrastructure in the rural area in term of damage cost. In addition, there is a need to explore the remedy effect of using trucks with different vehicle configuration or types. In this study, investigators will determine the pavement costs associated with changing the load axle on a semi-trailer from a tandem to a triple axle for five different GVW scenarios using GVW for 80 kip, 100 kip, and 120 kip with Type 9 and 10 vehicles.
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