Three-Dimensional Finite Element Analysis to Evaluate Reflective Cracking Potential in Asphalt Concrete Overlays
Bozkurt, Diyar
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https://hdl.handle.net/2142/83178
Description
Title
Three-Dimensional Finite Element Analysis to Evaluate Reflective Cracking Potential in Asphalt Concrete Overlays
Author(s)
Bozkurt, Diyar
Issue Date
2002
Doctoral Committee Chair(s)
Buttlar, William G.
Department of Study
Civil Engineering
Discipline
Civil Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
The study revealed that the crack treatment interlayer, ISAC, greatly reduces the tensile stresses at the bottom of the overlay after both the cooling cycle and cooling cycle plus traffic loading. On the other hand, the modified asphalt (PG 64-28) greatly reduces the tensile stresses at the top of the overlay compared to regular asphalt (PG 58-22) at the end of the cooling cycle before traffic loading. It appears that a ductile crack control system (such as ISAC) in cold temperatures can isolate the overlay from underlying existing pavement movements (contraction and curling).
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