Pavement Design Part 2: Specifications TSYH 4522

Upon successful completion, the student will be able to:

Module 1 - Drainage

• Identify the main sources of subsurface water in pavement structures.
• Identify and describe the main components of surface and subsurface drainage systems.
• Identify and discuss the factors to be considered in the design of subsurface drainage systems.
• Identify the important characteristics of drainage materials.

Module 2 - Geotextiles

• Identify and explain the engineering characteristics of geotextiles relevant to their use in pavement structures.
• Describe the principal functions of geotextiles in pavement structures.
• Identify the factors to be considered in the selection of a suitable geotextile for use in a given pavement structure.

Module 3 - Surfacing, Base and Subbase Aggregates

• Identify and describe the important characteristics of aggregates used for:
• Surfacing for gravel or unpaved roads.
• Base courses in flexible pavement structures.
• Subbases in flexible and rigid pavement structures.
• Describe the effects of aggregate fines content on the performance of flexible pavement structures.
• Identify potential problems in the construction of base and subbase courses in flexible pavement structures.

Module 4 - Portland Cement Concrete

• Identify and describe the principal characteristics of Portland cements, supplementary cementing materials, and admixtures, and their importance to the in-service performance of Portland cement concretes.
• Identify and describe the geometrical, physical and chemical properties of aggregates relevant to the in-service performance of Portland cement concretes.
• Identify and describe the principal characteristics of Portland cement concretes and their effect on the performance of these materials as the wearing surface in a rigid pavement structure.

Module 5 - Asphalt Concrete Mixtures

• Identify and describe the principal characteristics of asphalt cements and their importance to the in-service performance of asphalt concrete paving mixtures.
• Identify and describe the geometrical, physical, and chemical properties of aggregates relevant to the in-service performance of asphaltic concrete paving mixtures.
• Identify and describe the major in-service performance or behaviour problems associated with asphalt concrete paving mixtures and the mixture properties that affect these.
• Describe and discuss in-place and central-plant procedures for recycling asphalt concrete paving mixtures.

Module 6 - Asphalt Surface Treatments

• Identify and describe the principal characteristics of the two types of liquid asphalts, cutback asphalts and emulsified asphalts.
• Identify and describe the properties of aggregates relevant to their use in asphalt surface treatments.
• Identify and describe different types of asphalt surface treatment.

Effective as of Fall 2003