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TOC

1 Introduction
1.1.Preface
1.2.Safety Considerations
1.3.References

2 Summary of Crack Repair
2.1.Sealant Selection
2.2.Shape Factor and Recess
2.3.Sand blasting
2.4.Removing Loose Material
2.5.Vacuuming
2.6.Cleanliness
2.7.BackerRod
2.8.Foreign Object Damage

3 Summary of Spall Repair
3.1.Selecting Repair Materials and Procedure
3.2.Removing Old Sealant
3.3.Boundaries
3.4.Concrete Removal
3.5.Concrete Soundness
3.6.Cleaning
3.7.Sweeping
3.8.Joint Filler
3.9.Bonding Agent
3.10.Sawing
3.11.Cleanup

4 Purpose of Crack and Spall Repair
4.1.Description
4.2.Spalls
4.3.Objective
4.4.Airfield Inspections
4.5.Cracks
4.6.Moderate-Severity Spalling

5 Crack Repair
5.1.Description
5.2.TestSection

6 Crack Sealants
6.1.Descriptions
6.2.Fuel and Blast Resistance
6.3.Navy Regulations
6.4.U.S.Army and Air Force Regulations

7 Backer and Separating Materials
7.1.Description
7.2.SeparatingMaterials

8 Shape Factors
8.1.Description
8.2.Silicone Sealants

9 Crack Repair Equipment
9.1.Description
9.2.Random Crack Saw
9.3.Vertical Spindle Router
9.4.Sand blasting Equipment
9.5.Compressed Air Equipment
9.6.Hot-Air Lance
9.7.Water blasting Equipment
9.8.Power Broom
9.9.Backer Rod Installation Equipment
9.10.Hot-Applied Sealant Equipment
9.11.Cold-Applied Sealant Equipment

10 Crack Preparation
10.1.Description
10.2.Cleaning

11 Crack Sealing Procedures
11.1.Description
11.2.Preparation

12 Partial-Depth Spall Repair
12.1.Description
12.2.Test Area

13 Spall Repair Materials
13.1.Specifications
13.2.Alternative Repair Materials

14 Spall Repair Equipment
14.1.Description
14.2.Concrete Saws
14.3.Jackhammers
14.4.Mixers
14.5.HandTools

15 Spall Repair Preparation
15.1.Description
15.2.Detailed Schematics
15.3.Boundaries
15.4.Soundness

16 Spall Repair Procedures
16.1.Description
16.2.JointFiller
16.3.Bonding Agents
16.4.Mixing and Placing
16.5.Consolidation
16.6.Curing
16.7.Resealing
16.8.Placing Sealant
16.9.Cleanup
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