EVALUATION OF INUNDATED ASPHALT PAVEMENT USING PERFORMANCE MODELING AND LABORATORY CHARACTERIZATION

dc.contributor.advisorTia, Mang
dc.contributor.authorAlmutairi, Abdulrahman
dc.date.accessioned2024-12-26T07:10:38Z
dc.date.issued2025
dc.description.abstractFlooding is recognized as one of the most common natural disasters. It interrupts the transportation network and causes major damage to the pavement. It can cause a reduction in pavement life and a rapid decline in structure strength. This study aims to evaluate the performance of inundated flexible pavements by predicting fatigue cracking and rutting and studying the effects of key mixture factors on moisture susceptibility. The impact of lowering the water level through the base and subgrade was evaluated. Two types of bases (A-1-a and A-2-4) and subgrades (A-4 and A-7-5) were evaluated. The soil-water characteristic curve (SWCC) is used to predict the resilience modulus of unsaturated soils, and KENLAYER is implemented to obtain the critical strains. The fatigue crack and rut were predicted using MEPDG distress equations. Laboratory tests were conducted to evaluate the key mixture factors in this study. These key mixture factors were the polymer modification (Polymer-Modified Asphalt and High Polymer), the air void content (4%, 7%, and 10%), the binder content, and the anti-stripping agent (Hydrated Lime and Liquid Anti-strip). The results showed that pavement with a strong base and strong subgrade (SBSG) consistently performed better with lower deflection, reduced strains, low fatigue crack growth, and least rut development. The mixture's indirect tensile strength (ITS) can be influenced by the polymer modification, the air void content, the binder content, and the anti-stripping agent. All the mixtures exhibited excellent moisture resistance, surpassing Florida Department of Transportation's specifications of 80%.
dc.format.extent57
dc.identifier.urihttps://hdl.handle.net/20.500.14154/74444
dc.language.isoen_US
dc.publisherUniversity of Florida
dc.subjectASPHALT
dc.subjectPAVEMENT
dc.subjectPOLYMER
dc.subjectFLOOD
dc.subjectMOISTURE
dc.titleEVALUATION OF INUNDATED ASPHALT PAVEMENT USING PERFORMANCE MODELING AND LABORATORY CHARACTERIZATION
dc.typeThesis
sdl.degree.departmentHerbert Wertheim College of Engineering
sdl.degree.disciplineCivil Engineering
sdl.degree.grantorUniversity of Florida
sdl.degree.nameMaster of Science

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