CE556 - Properties of Highway Pavement Materials

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Introductions and Review of Fundamentals

�        Introduction to the course, format, contents, and requirements

�        Review of fundamentals:

�        Mechanical properties

�        Non-Mechanical Properties

�        Elastic, Non-Elastic and Viscoelastic Materials

�        Material Variability and Sampling

�        Laboratory Testing Devices

Part 1: Soils and Aggregates for Asphalt and Concrete Pavements

�        Introduction 

�        Roadbed soil classification for highway and airport pavements.

�        Characterization tests of subgrade soils.

�        Aggregate for unbound base and subbase courses.

�        Aggregate for asphalt mixes and treatments.

�        Aggregate for Portland Cement Concrete.

�        Blending, modification and upgrading techniques.

�        Characterization tests for aggregates.

Part 2: Asphalt Concrete Mixtures for Asphalt Pavements

Part 2a: Design and Analysis of Asphalt Mixes

�        Asphalt binders; types, sources, physical and chemical properties.

�        Binder testing and modification: additives, polymers, anti-stripping agents,...etc.

�        SUPERPAVE binder specification (PG-Grading System).

�        Volumetric analysis of asphalt mixtures

�        Brief review of traditional Hveem and Marshall mix methods

�        SUPERPAVE mix design system.

Part 2b: New Advances in Mix Evaluation Methods

�        Compaction and energy based methods (e.g. Gyratory Stability)

�        Asphalt Pavement Analyzer (APA)

�        Cracking and fracture based methods (e.g. work density and J-Integral)

�        Thermal cracking

�        Strength and stability methods.

Part 2c: Dynamic Characterization of Asphalt Mixes

�        Fatigue cracking evaluation.

�        Rutting evaluation

Part 2d: Special Mixtures, Recycling and Additives

�        Open graded mixes and Stone Mastic Asphalt (SMA) mixes.

�        Polymer modified mixes.

�        HMA with High RAP content

�        Maintenance mixtures: Cold and hot patching mixes, seal coats and slurry seal.

Part 3: Portland Cement Concrete Mixes for Concrete Pavements

Part 3a: Design and Analysis of PCC Mixtures

�        Introduction to PCC design concepts.

�        Design by trial method, PCA method.

�        Absolute Volume method

�        Admixtures and Special concrete mixes.

�        PCC mixtures for rigid concrete pavements.

Part 3b: Characterization of PCC Mixtures

�        Compressive strength.

�        Tensile strength.

�        Flexural strength.

�        Fatigue analysis.

�        Performance evaluation of PCC mixtures for rigid concrete pavements.