| CE 437 Analysis and Design of Pavement Systems |
Course Description:
(Required for a BSCE degree) |
Serviceability concept, design factors, pavement types, basic differences between pavement types, basic differences between airport and highway pavements, stresses in flexible pavement, traffic considerations, materials and material characterization for different pavement layers, variability in pavement materials, methods of pavement design. Computer application in pavement analysis and design. 3(3,1,0) |
| Prerequisite |
Highways Engineering (CE 431), Highway Lab (CE432)
Topics:
- Characteristics and Testing of Pavement Materials: Soil, Aggregates and Asphalt.
- Bituminous Mix Design: Marshall and Superpave Methods.
- Highway Transportation Costs and Methods of Economic Analysis.
- Geometric design of highways
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| Course Learning outcomes |
Students completing this course successfully will be able to
- Recognize basics in serviceability concept and the main design factors, pavement types, and basic differences between airport and highway pavements.
- Determine and analyze stresses in flexible pavement and traffic loads in terms of equivalent axle load.
- Design flexible highway pavement by both AASHTO and The Asphalt Institute Methods.
- Prepare the materials requirements and characteristics for construction and stabilizations of pavement systems.
- Record variability for selected pavement factors to apply of pavement design and construction.
- Evaluate of elastic layers system for design flexible pavement using computer software.
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| Topics Covered |
- Introduction: Pavement Types, Wheel Loads, and Design Factors
- Stresses in Flexible Pavements: Layered System Concepts, Multilayered Solutions, Two-Layer System, Three-Layer System, and Fundamental Design Concepts.
- Vehicle and Traffic Consideration: Determining Equivalent Single-Wheel Loads (ESWL) and Equivalent Axle Loads (EAL) for Highway Design.
- Materials Characterization: Plate-loading Tests, Triaxial Compression Test, California Bearing Ratio Test, Tests for Bituminous Mixtures, Modulus of Rupture, Indirect Tensile Test, Asphalt Mix Stiffness, and Creep Test.
- Soil and Base Stabilization: Mechanics of Stabilization, Cement Stabilization, Soil-Lime, and Soil-Bitumen.
- Subgrades: Compaction, Design Units for Subgrade Design, Estimating Final Moisture Content, Estimation of California Bearing Ratio, and Compaction Control
- Bases and Subbases: Purpose of Base Course, General Properties of soil-Aggregate Mixtures, Macadam Base Courses, Cement-treated Bases, Asphalt-treated Bases, Base and Subbase Drainage, Base and Subbase for Flexible Pavements, Construction, and Field Control
- Material Variability: Fundamental Statistical Concepts, Measured Variability of Pavement Systems, Pavement Layer Variability, Pavement Section Variability, and Design and Evaluation
- Flexible Pavement Design Methods: AASHTO Method and The Asphalt Institute Method
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| Class/ tutorial Schedule |
Class is held three times per week in 50-minute lecture sessions. There is also a 50-minute weekly tutorial associated with this course. |
| Computer Applications |
Computer software to analyze and design flexible pavement. |
| Project |
None |
| Contribution of Course to Meeting the Professional Component |
- Students learn the analysis process to be involved in designing pavement structures
- Students improve their writing, communication and presentation skills.
- Students recognize the role of professional societies in developing codes and standards and updating current knowledge.
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| Textbook(s) and/or Other Required Material |
- Yoder, E.J. and Witczak, M.W.," Principles of Pavement Design ", Second Edition, John Wiley, & Sons, 1975.
- Huang, Yang H., “Pavement Analysis and Design”, Prentice-Hall, Inc., 1993
- AASHTO, “Guide For Design of Pavement Structures,” 2000.
- The Asphalt Institute, “Thickness Design-Asphalt Pavements for Highways and Streets,” 1994
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| Grade Distribution |
1st Mdt. 20
2nd Mdt 20
Homework 10
Computer software analysis 5
Final 40% |
