ufc_3-270-03
O&M: CONCRETE CRACK AND PARTIAL-DEPTH SPALL REPAIR
O&M: CONCRETE CRACK AND PARTIAL-DEPTH SPALL REPAIR - continued
Contents - ufc_3-270-030005
Contents - continued - ufc_3-270-030006
Contents - continued - ufc_3-270-030007
Contents - continued - ufc_3-270-030008
Contents - continued - ufc_3-270-030009
Acknowledgment - ufc_3-270-030010
Chapter 1. INTRODUCTION - ufc_3-270-030011
References. - ufc_3-270-030012
References - continued - ufc_3-270-030013
Table 1.1. American Society for Testing and Materials (ASTM) Specifications for Sealants, Joint Fillers, Patching Materials, etc.
Table 1.1. American Society for Testing and Materials (ASTM) Specifications for Sealants, Joint Fillers, Patching Materials, etc. - continued
Spall Repair
Table 1.2. American Concrete Institute (ACI) Publications Pertaining to Spall Repair That Detail Good Practices for Concrete Repair Work
Chapter 2. SUMMARY OF CRACK REPAIR
Vacuuming
Chapter 3. SUMMARY OF SPALL REPAIR
Concrete Soundness
Cleanup
Figure 3.1. Plan of spall repairs (Notes for figures are found in Table 3.1.; notes 1 through 5 apply to this figure)
Figure 3.2. Spall repair at keyed construction joint
Figure 3.3. Spall repair at weakened plane or contraction joint
Figure 3.4. Spall repair at expansion joint
Figure 3.5. Groove for joint sealant at expansion joint
Figure 3.6. Typical section: popout repair
Table 3.1. Notes on Figures 3.1. to 3.6.
Table 3.1. Notes on Figures 3.1. to 3.6 - continued - ufc_3-270-030031
Table 3.1. Notes on Figures 3.1. to 3.6 - continued - ufc_3-270-030032
Chapter 4. PURPOSE OF CRACK AND SPALL REPAIR
Airfield Inspections
Figure 4.1. Moderate-severity spalling along an expansion joint
Chapter 5. CRACK REPAIR
Test Section
Chapter 6. CRACK SEALANTS
U.S. Army and Air Force Regulations
Chapter 7. BACKER AND SEPARATING MATERIALS
Figure 7.1. Examples of various sizes of backer rod
Chapter 8. SHAPE FACTORS
Figure 8.1. Diagram of a properly repaired crack showing dimensions of a typical sealant reservoir
Chapter 9. CRACK REPAIR EQUIPMENT
Sandblasting Equipment
Waterblasting Equipment
Cold-Applied Sealant Equipment
Figure 9.1. Random crack saw
Figure 9.4. High-pressure water cleaning
Figure 9.6. Installation of backer rod
Chapter 10. CRACK PREPARATION
Cleaning
Figure 10.1. Hand sawing a crack
Figure 10.3. Sandblasting a joint face
Chapter 11. CRACK SEALING PROCEDURES
Figure 11.1. Sealing a crack
Chapter 12. PARTIAL-DEPTH SPALL REPAIR
Chapter 12. PARTIAL-DEPTH SPALL REPAIR - continued
Test Area
Chapter 13. SPALL REPAIR MATERIALS
Alternative Repair Materials
Chapter 14. SPALL REPAIR EQUIPMENT
Figure 14.1. Sawing out the edges of a spalled area
Chapter 15. SPALL REPAIR PREPARATION
Soundness
Figure 15.1. A spalled area on both sides of an expansion joint ready for installation of joint filler
Chapter 16. SPALL REPAIR PROCEDURES
Mixing and Placing
Curing - ufc_3-270-030075
Placing Sealant
Figure 16.2. Consolidation of the repair material by vibration
Figure 16.3. Finishing the patch surface
O&M: CONCRETE CRACK AND PARTIAL-DEPTH SPALL REPAIR
O&M: CONCRETE CRACK AND PARTIAL-DEPTH SPALL REPAIR - continued
Contents - ufc_3-270-030005
Contents - continued - ufc_3-270-030006
Contents - continued - ufc_3-270-030007
Contents - continued - ufc_3-270-030008
Contents - continued - ufc_3-270-030009
Acknowledgment - ufc_3-270-030010
Chapter 1. INTRODUCTION - ufc_3-270-030011
References. - ufc_3-270-030012
References - continued - ufc_3-270-030013
Table 1.1. American Society for Testing and Materials (ASTM) Specifications for Sealants, Joint Fillers, Patching Materials, etc.
Table 1.1. American Society for Testing and Materials (ASTM) Specifications for Sealants, Joint Fillers, Patching Materials, etc. - continued
Spall Repair
Table 1.2. American Concrete Institute (ACI) Publications Pertaining to Spall Repair That Detail Good Practices for Concrete Repair Work
Chapter 2. SUMMARY OF CRACK REPAIR
Vacuuming
Chapter 3. SUMMARY OF SPALL REPAIR
Concrete Soundness
Cleanup
Figure 3.1. Plan of spall repairs (Notes for figures are found in Table 3.1.; notes 1 through 5 apply to this figure)
Figure 3.2. Spall repair at keyed construction joint
Figure 3.3. Spall repair at weakened plane or contraction joint
Figure 3.4. Spall repair at expansion joint
Figure 3.5. Groove for joint sealant at expansion joint
Figure 3.6. Typical section: popout repair
Table 3.1. Notes on Figures 3.1. to 3.6.
Table 3.1. Notes on Figures 3.1. to 3.6 - continued - ufc_3-270-030031
Table 3.1. Notes on Figures 3.1. to 3.6 - continued - ufc_3-270-030032
Chapter 4. PURPOSE OF CRACK AND SPALL REPAIR
Airfield Inspections
Figure 4.1. Moderate-severity spalling along an expansion joint
Chapter 5. CRACK REPAIR
Test Section
Chapter 6. CRACK SEALANTS
U.S. Army and Air Force Regulations
Chapter 7. BACKER AND SEPARATING MATERIALS
Figure 7.1. Examples of various sizes of backer rod
Chapter 8. SHAPE FACTORS
Figure 8.1. Diagram of a properly repaired crack showing dimensions of a typical sealant reservoir
Chapter 9. CRACK REPAIR EQUIPMENT
Sandblasting Equipment
Waterblasting Equipment
Cold-Applied Sealant Equipment
Figure 9.1. Random crack saw
Figure 9.4. High-pressure water cleaning
Figure 9.6. Installation of backer rod
Chapter 10. CRACK PREPARATION
Cleaning
Figure 10.1. Hand sawing a crack
Figure 10.3. Sandblasting a joint face
Chapter 11. CRACK SEALING PROCEDURES
Figure 11.1. Sealing a crack
Chapter 12. PARTIAL-DEPTH SPALL REPAIR
Chapter 12. PARTIAL-DEPTH SPALL REPAIR - continued
Test Area
Chapter 13. SPALL REPAIR MATERIALS
Alternative Repair Materials
Chapter 14. SPALL REPAIR EQUIPMENT
Figure 14.1. Sawing out the edges of a spalled area
Chapter 15. SPALL REPAIR PREPARATION
Soundness
Figure 15.1. A spalled area on both sides of an expansion joint ready for installation of joint filler
Chapter 16. SPALL REPAIR PROCEDURES
Mixing and Placing
Curing - ufc_3-270-030075
Placing Sealant
Figure 16.2. Consolidation of the repair material by vibration
Figure 16.3. Finishing the patch surface
