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Valbon Latifi Advisor: Dr. Hani Titi Department of Civil Engineering and Mechanics

Analyzing Flexible Pavement Performance Through Mechanistic-Empirical Pavement Design Guide from Impact of Oversize/Overweight Trucks . Valbon Latifi Advisor: Dr. Hani Titi Department of Civil Engineering and Mechanics University of Wisconsin-Milwaukee Saturday, April 26, 2014.

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Valbon Latifi Advisor: Dr. Hani Titi Department of Civil Engineering and Mechanics

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  1. Analyzing Flexible Pavement Performance Through Mechanistic-Empirical Pavement Design Guide from Impact of Oversize/Overweight Trucks ValbonLatifi Advisor: Dr. Hani Titi Department of Civil Engineering and Mechanics University of Wisconsin-Milwaukee Saturday, April 26, 2014

  2. Purpose/Methodology • Determine the impact of single trip permitted oversize/overweight (OSOW) trucks on flexible pavement. • The pavement performance to be analyzed though the means of both field work and software analysis (AASHTOWare).

  3. Results • WI-140 had severe stresses through visual analysis. • Rutting depth in specific sections at 1.0 inches. • Analysis through AASHTOWare also had the pavement failing early with the addition of OSOW trucks in the axle load spectra. Threshold: 20% Threshold: 20% Threshold: 20%

  4. Conclusion/Summary • Certain state highways with high OW traffic (and high regular truck traffic) have serious pavement problems, such as WI-140. • Traffic counts at WI-140 confirmed a high number of OS/OW trucks. • The AASHTOWare analysis conducted on WI-140 agreed with the field measurements and pavement condition evaluation.

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