ufc-3-270-04
O&M: CONCRETE REPAIR
O&M: CONCRETE REPAIR - continued
FOREWORD - ufc-3-270-040003
FOREWORD - continued - ufc-3-270-040004
Contents - ufc-3-270-040005
Contents - continued - ufc-3-270-040006
Contents - continued - ufc-3-270-040007
Contents - continued - ufc-3-270-040008
Contents - continued - ufc-3-270-040009
Acknowledgment - ufc-3-270-040010
Chapter 1. INTRODUCTION - ufc-3-270-040011
References. - ufc-3-270-040012
References - continued - ufc-3-270-040013
References - continued - ufc-3-270-040014
References - continued - ufc-3-270-040015
Chapter 2. SELECTION OF REPAIR MATERIALS
Chapter 3. CONCRETE PAVEMENT
Properties and Behavior.
Chapter 4. FULL-DEPTH REPAIR OF PAVEMENTS
Selection of Repair Boundaries
Sawing of Repair Boundaries
Removal of Existing Concrete - ufc-3-270-040022
Subgrade and Base Preparation
Replacing Reinforcement
Expansion Joints
Filler Material
Concrete Finishing and Texturing
Joint Sealing - ufc-3-270-040028
Joint Sealing - continued
Figure 4.1. Shattered slab
Figure 4.3. Minimum cut distance (full-depth repair)
Figure 4.5, Diamond blade sawing
Figure 4.7. Concrete removal
Figure 4.9. Lift-out method
Figure 4.11. Patch area compaction
Figure 4.13. Deformed reinforcement
Figure 4.14. Drilling multiple holes
Figure 4.15. Welded reinforcement installation
Figure 4.17. Thickened-edge slip joint
Chapter 5. PARTIAL-DEPTH REPAIR OF PAVEMENTS
Removal of Existing Concrete - ufc-3-270-040041
Joint Preparation
Patch Materials.
Placement of Patch Materials,
Sealing Patch/Slab Interface
Figure 5.1. Pavement joint
Figure 5.3. Spall repair
Figure 5.4. Clean vertical face
Figure 5.6. Cleaning exposed faces
Figure 5.8. Point bearing causing failure
Figure 5.10. Spud vibrator
Chapter 6. SLABJACKING
Drilling Holes - ufc-3-270-040053
Grout Pumping
Elevation Control During Jacking
Figure 6.1. Injecting grout
Figure 6.3. Grout pumping
Chapter 7. SUBSEALING JOINTED CONCRETE PAVEMENTS
Need for Subsealing
Drilling Holes - ufc-3-270-040060
Grout Injection
Retesting Slab Corners
Figure 7.1. Falling Weight Deflectometer
Chapter 8. ASPHALT UNDERSEALING
Procedure - ufc-3-270-040065
Chapter 9. DIAMOND GRINDING
Grinding Procedure.
Table 9.1. Feathering Distances
Acceptance Testing
Figure 9.1. Diamond grinding equipment
Figure 9.3. California profilograph
Chapter 10. LOAD-TRANSFER RESTORATION
Methods of Load-Transfer Restoration
Table 10.1. Dowel Size Requirements
Methods of Load-Transfer Restoration - continued
Patching Material
Figure 10.1. Dowel installation
Figure 10.3. Core hole centered over crack
Figure 10.5. Double Vee Device
Chapter 11. POLYMER CONCRETE
Surface Preparation - ufc-3-270-040081
Placement - ufc-3-270-040082
Premix placement
Chapter 12. PAVEMENT-EDGE DRAIN
Subsurface Drain Materials.
Subsurface Drain Materials - continued - ufc-3-270-040086
Subsurface Drain Materials - continued - ufc-3-270-040087
Filter fabrics
Subsurface Drain Material - continued
Subsurface Drain Installation
French Drains
Figure 12.1. Pavement pumping
Figure 12.3. Flexible drainage pipe
Figure 12.5. Filter fabric used to line trench
Figure 12.7. Trencher
Chapter 13. HEAT-RESISTANT CONCRETE
Exposure Time and Temperature
Table 13.1. Aggregate Desirability
Aggregate Performances
O&M: CONCRETE REPAIR
O&M: CONCRETE REPAIR - continued
FOREWORD - ufc-3-270-040003
FOREWORD - continued - ufc-3-270-040004
Contents - ufc-3-270-040005
Contents - continued - ufc-3-270-040006
Contents - continued - ufc-3-270-040007
Contents - continued - ufc-3-270-040008
Contents - continued - ufc-3-270-040009
Acknowledgment - ufc-3-270-040010
Chapter 1. INTRODUCTION - ufc-3-270-040011
References. - ufc-3-270-040012
References - continued - ufc-3-270-040013
References - continued - ufc-3-270-040014
References - continued - ufc-3-270-040015
Chapter 2. SELECTION OF REPAIR MATERIALS
Chapter 3. CONCRETE PAVEMENT
Properties and Behavior.
Chapter 4. FULL-DEPTH REPAIR OF PAVEMENTS
Selection of Repair Boundaries
Sawing of Repair Boundaries
Removal of Existing Concrete - ufc-3-270-040022
Subgrade and Base Preparation
Replacing Reinforcement
Expansion Joints
Filler Material
Concrete Finishing and Texturing
Joint Sealing - ufc-3-270-040028
Joint Sealing - continued
Figure 4.1. Shattered slab
Figure 4.3. Minimum cut distance (full-depth repair)
Figure 4.5, Diamond blade sawing
Figure 4.7. Concrete removal
Figure 4.9. Lift-out method
Figure 4.11. Patch area compaction
Figure 4.13. Deformed reinforcement
Figure 4.14. Drilling multiple holes
Figure 4.15. Welded reinforcement installation
Figure 4.17. Thickened-edge slip joint
Chapter 5. PARTIAL-DEPTH REPAIR OF PAVEMENTS
Removal of Existing Concrete - ufc-3-270-040041
Joint Preparation
Patch Materials.
Placement of Patch Materials,
Sealing Patch/Slab Interface
Figure 5.1. Pavement joint
Figure 5.3. Spall repair
Figure 5.4. Clean vertical face
Figure 5.6. Cleaning exposed faces
Figure 5.8. Point bearing causing failure
Figure 5.10. Spud vibrator
Chapter 6. SLABJACKING
Drilling Holes - ufc-3-270-040053
Grout Pumping
Elevation Control During Jacking
Figure 6.1. Injecting grout
Figure 6.3. Grout pumping
Chapter 7. SUBSEALING JOINTED CONCRETE PAVEMENTS
Need for Subsealing
Drilling Holes - ufc-3-270-040060
Grout Injection
Retesting Slab Corners
Figure 7.1. Falling Weight Deflectometer
Chapter 8. ASPHALT UNDERSEALING
Procedure - ufc-3-270-040065
Chapter 9. DIAMOND GRINDING
Grinding Procedure.
Table 9.1. Feathering Distances
Acceptance Testing
Figure 9.1. Diamond grinding equipment
Figure 9.3. California profilograph
Chapter 10. LOAD-TRANSFER RESTORATION
Methods of Load-Transfer Restoration
Table 10.1. Dowel Size Requirements
Methods of Load-Transfer Restoration - continued
Patching Material
Figure 10.1. Dowel installation
Figure 10.3. Core hole centered over crack
Figure 10.5. Double Vee Device
Chapter 11. POLYMER CONCRETE
Surface Preparation - ufc-3-270-040081
Placement - ufc-3-270-040082
Premix placement
Chapter 12. PAVEMENT-EDGE DRAIN
Subsurface Drain Materials.
Subsurface Drain Materials - continued - ufc-3-270-040086
Subsurface Drain Materials - continued - ufc-3-270-040087
Filter fabrics
Subsurface Drain Material - continued
Subsurface Drain Installation
French Drains
Figure 12.1. Pavement pumping
Figure 12.3. Flexible drainage pipe
Figure 12.5. Filter fabric used to line trench
Figure 12.7. Trencher
Chapter 13. HEAT-RESISTANT CONCRETE
Exposure Time and Temperature
Table 13.1. Aggregate Desirability
Aggregate Performances
