Introduction - en545860007
Lesson 1 Design Considerations for Roads
Flexible Pavement Structure
Figure 1. Typical Flexible Pavement
Effect of Tandem Axles and Tire Pressures
Tire Pressure
Learning Event 2 Subgrade, Subbase, and Base Factors
Subgrade Compaction Normal Cases
Figure 4. Recommended Requirements for Rear Area Full Operational
Remolded Silts
Selection of Subgrade and Subsoil Design CBR Values
Stabilization of Soils with Portland Cement
Stabilization with Lime
Asphalt Emulsion
Materials for Subbases
Selection of Design CBR for Select Material and Subbase
Table 3. Recommended Maximum Permissible Values of Gradiation
Gradation requirements
Processed materials
Coarse-graded type base material
Macadam type base material
Caliche
Selection of Type of Base Course
Learning Event 3 Design Theater of Operations Roads
Figure 6. Flexible Pavement Equivalent Factors
Figure 7. Flexible Pavement Equivalent Factors
Figure 8. Flexible Pavement Design Curves for Roads
Equivalent 18,000 Pound Load Operation
Thickness Requirements
Thickness Requirements -Cont.
Determine Cover Requirements for Subbase and Base
Table 10. Suggested Starting Basis for Expedient Pavement Road Design
Enter Compaction Requirements
Problem #1: T/O Road Design
Solution - en545860041
Practice Exercise for Lesson 1 - en545860043
Practice Exercise for Lesson 1 -Cont. - en545860044
Practice Exercise Answers - en545860045
Lesson 2 Design an Airfield Flexible Pavement
Operational Categories
Selection of Design for Select Material and Subbases
Figure 12.Traffic Areas
Select Design Gear Loads in KIPS
Design Requirements
Table 13. CBR Flexible Pavement Design Procedure
Figure 14. Flexible Pavement Design Curves,Army Class I Airfield, Types B and C Traffic Areas
Figure 15. Flexible Pavement Design Curves, Army Class II Airfield, Types B and C Traffic Areas
Figure 16.Flexible Pavement Design Curves, Army Class III Airfield, Types B and C Traffic Areas
Problem #1: T/O Airfield Design
Solution - en545860057
Practice Exercise for Lesson 2 - en545860058
Practice Exercise for Lesson 2 -Cont. - en545860059
Practice Exercise Answers - en545860061
Practice Exercise Answers -Cont.
Lesson 3 Design for Frost Conditions
Introduction - en545860064
Conditons Necessary for Frost Action
Frost Susceptible Soil
Water
Figure 19. Sources of Water Which Feed Growing Ice Lenses Causing Frost Action
Effect of Frost Action on Pavement Surface
Thawing and Reduction in Pavement Support Capacity
Subgrade Frost Groups
Learning Event 3 Frost Protection
Figure 21. Cuves for Evaluating Values of Frost Penetration
Figure 22. Curves For Evaluating Values of Frost Penetration
Design of Pavement for Frost Action
Reduced Subgrade Strength
Learning Event 4 Compaction Requirements
Figure 23. Reduced Subgrade Strength Design Raw Design
Figure 24. Final Pavement Design
Problem #3: Frost Design
Practice Exercise for Lesson 3 - en545860081
Practice Exercise for Lesson 3 -Cont. - en545860082
Answer Sheet For Practice Exercise - en545860084
Flexible Pavement Structures
Lesson 1 Design Considerations for Roads
Flexible Pavement Structure
Figure 1. Typical Flexible Pavement
Effect of Tandem Axles and Tire Pressures
Tire Pressure
Learning Event 2 Subgrade, Subbase, and Base Factors
Subgrade Compaction Normal Cases
Figure 4. Recommended Requirements for Rear Area Full Operational
Remolded Silts
Selection of Subgrade and Subsoil Design CBR Values
Stabilization of Soils with Portland Cement
Stabilization with Lime
Asphalt Emulsion
Materials for Subbases
Selection of Design CBR for Select Material and Subbase
Table 3. Recommended Maximum Permissible Values of Gradiation
Gradation requirements
Processed materials
Coarse-graded type base material
Macadam type base material
Caliche
Selection of Type of Base Course
Learning Event 3 Design Theater of Operations Roads
Figure 6. Flexible Pavement Equivalent Factors
Figure 7. Flexible Pavement Equivalent Factors
Figure 8. Flexible Pavement Design Curves for Roads
Equivalent 18,000 Pound Load Operation
Thickness Requirements
Thickness Requirements -Cont.
Determine Cover Requirements for Subbase and Base
Table 10. Suggested Starting Basis for Expedient Pavement Road Design
Enter Compaction Requirements
Problem #1: T/O Road Design
Solution - en545860041
Practice Exercise for Lesson 1 - en545860043
Practice Exercise for Lesson 1 -Cont. - en545860044
Practice Exercise Answers - en545860045
Lesson 2 Design an Airfield Flexible Pavement
Operational Categories
Selection of Design for Select Material and Subbases
Figure 12.Traffic Areas
Select Design Gear Loads in KIPS
Design Requirements
Table 13. CBR Flexible Pavement Design Procedure
Figure 14. Flexible Pavement Design Curves,Army Class I Airfield, Types B and C Traffic Areas
Figure 15. Flexible Pavement Design Curves, Army Class II Airfield, Types B and C Traffic Areas
Figure 16.Flexible Pavement Design Curves, Army Class III Airfield, Types B and C Traffic Areas
Problem #1: T/O Airfield Design
Solution - en545860057
Practice Exercise for Lesson 2 - en545860058
Practice Exercise for Lesson 2 -Cont. - en545860059
Practice Exercise Answers - en545860061
Practice Exercise Answers -Cont.
Lesson 3 Design for Frost Conditions
Introduction - en545860064
Conditons Necessary for Frost Action
Frost Susceptible Soil
Water
Figure 19. Sources of Water Which Feed Growing Ice Lenses Causing Frost Action
Effect of Frost Action on Pavement Surface
Thawing and Reduction in Pavement Support Capacity
Subgrade Frost Groups
Learning Event 3 Frost Protection
Figure 21. Cuves for Evaluating Values of Frost Penetration
Figure 22. Curves For Evaluating Values of Frost Penetration
Design of Pavement for Frost Action
Reduced Subgrade Strength
Learning Event 4 Compaction Requirements
Figure 23. Reduced Subgrade Strength Design Raw Design
Figure 24. Final Pavement Design
Problem #3: Frost Design
Practice Exercise for Lesson 3 - en545860081
Practice Exercise for Lesson 3 -Cont. - en545860082
Answer Sheet For Practice Exercise - en545860084
Flexible Pavement Structures
