UFC 3-270-04
15 March 2001
5.5.
Cleaning. . . . . . . . . . . . . . . . . . . . . 35
5.6.
Joint Preparation . . . . . . . . . . . . . . 35
5.7.
Patch Materials . . . . . . . . . . . . . . . 36
5.8.
Placement of Patch Materials . . . . 37
5.9.
Finishing . . . . . . . . . . . . . . . . . . . . 37
5.10.
Saw-cut Runouts . . . . . . . . . . . . . . 37
5.11.
Sealing Patch/Slab Interface . . . . . 38
5.12.
Curing . . . . . . . . . . . . . . . . . . . . . . 38
5.13.
Joint Resealing . . . . . . . . . . . . . . . 38
Chapter 6 Slabjacking
6.1. Purpose . . . . . . . . . . . . . . . . . . . . . 45
6.2. Need for Slabjacking . . . . . . . . . . . 45
6.3. Location of Injection Holes. . . . . . . 45
6.4. Drilling Holes . . . . . . . . . . . . . . . . . 46
6.5. Grout Mixtures . . . . . . . . . . . . . . . . 46
6.6. Grout Pumping. . . . . . . . . . . . . . . . 47
6.7. Elevation Control During Jacking. . 48
6.8. Plugging and Cleanup . . . . . . . . . . 48
Chapter 7 Subsealing Jointed Concrete Pavements
7.1. Purpose of Subsealing. . . . . . . . . . 51
7.2. Void Detection . . . . . . . . . . . . . . . . 51
7.3. Need for Subsealing . . . . . . . . . . . 52
7.4. Hole Patterns . . . . . . . . . . . . . . . . . 52
7.5. Drilling Holes . . . . . . . . . . . . . . . . . 53
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