Asphalt Fundamentals

Design Factors (11)


Description
Welcome to the Design Factors course. This course provides descriptions of the primary factors used in the design of flexible pavements. These factors include subgrade characterization, traffic loads, and environmental effects.
Content
  • Overview
  • Subgrade
  • Subgrade Overview
  • Subgrade performance
  • Subgrade physical properties
  • California bearing ratio (CBR)
  • Resistance value (R-value)
  • Resilient modulus (MR)
  • Table 1
  • Table 2
  • Loads
  • Load Overview
  • Load Characterization
  • Load Quantification
  • Equivalent single axle loads (ESALs)
  • Table 3
  • Figure 4
  • Traffic Index (TI)
  • Load spectra
  • Environment
  • Environment
  • Temperature
  • Temperature Extremes
  • Expansion and Contraction
  • Durability Loss (Aging)
  • Moisture
  • Drainage
  • Drainage Overview
  • Surface Drainage
  • Subsurface Drainage
  • Summary
  • (Quiz) Design Factors
Completion rules
  • All units must be completed
  • Leads to a certification with a duration: Forever