UFC 3-270-05
15 March 2001
CHAPTER 2
DEFINITIONS OF REPAIR OPTIONS
2.1. Grinding. Closely spaced diamond blades are used to remove material and provide a
smooth surface.
2.2. Joint Reconstruction. The joint is replaced by resawing the joint after one or both sides of
the joint have been patched and/or doweled to provide load transfer.
2.3. Patching.
2.3.1. Partial Depth. When the distress affects only the top few inches of the slab, the
weakened concrete is removed down to sound concrete and the area patched.
2.3.2. Full Depth. When the distress extends through the slab, the affected area is saw cut
and removed down to the base. The base should be recompacted.
2.4. Seal Cracks. Cracks should be routed to remove any incompressibles before sealing.
2.5. Underseal. Undersealant, such as cement grout, is inserted by pressure beneath the slab
to fill voids and resist future pumping action. It is recommended that load transfer be provided if
needed to extend the life of the pavement.
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