28 pavement design

Pavement Design CE 453 Lecture 28

Objectives ,[object Object],[object Object]

AASHTO Pavement Design Method Considerations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Flexible Pavement Typical Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic AASHTO Flexible Pavement Design Method ,[object Object],[object Object],[object Object],[object Object],[object Object]

Basic AASHTO Rigid Pavement Design Method ,[object Object],[object Object],[object Object],[object Object]

Variables included in Nomographs ,[object Object],[object Object],[object Object],[object Object],[object Object]

Variables included in Nomographs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Other Growth Rates ,[object Object],[object Object]

Flexible Pavement Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Components Sub-grade (roadbed) course: natural material that serves as the foundation of the pavement structure Sub-base course: above the sub-grade, superior to sub-grade course Base course: above the sub base, granular materials such as crushed stone, crushed or uncrushed slag, gravel, and sand Surface course: upper course of the road pavement, should withstand tire pressures, resistant to abrasive forces of traffic, provide skid-resistant driving surface, prevent penetration of surface water 3 inches to > 6 inches

Economic Analysis ,[object Object],[object Object]

Sensitivity Analysis ,[object Object],[object Object],[object Object]

OTHER ISSUES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

FAILURE EXAMPLES ,[object Object],[object Object]

EXAMPLES ,[object Object],[object Object]

28 pavement design

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