TECHNICAL BULLETIN. GUIDELINES FOR PARTIAL-DEPTH REPAIR
Good performance of partial-depth repairs can be obtained by: (1) Limiting use of the technique to the top one-third of the slab and not extending repairs to a depth that allows the patching material to bear directly on dowel bars or reinforcing steel. (2) Inserting a compressible material in all working joints and cracks within or adjacent to the patch. The compressible material should extend 1 inch below and 3 inches laterally beyond patch boundaries. (3) Using a bonding agent compatible with the selected patching material. Incompatibility will likely result in delamination. (4) Finishing from the center of the repair toward the boundaries, not from the edges in. (5) Sealing the patch/slab perimeter interface using a cement: water grout for cementitious patch materials to prevent moisture infiltration. (6) Resealing the joint after repair to prevent water and incompressibles from causing further damage.
American Concrete Pavement Association5420 Old Orchard Road, Suite A100
Skokie, IL United States 60077
- Publication Date: 1989
- Features: Figures; References;
- Pagination: 8 p.
- TRT Terms: Concrete; Concrete pavements; Guidelines; Patching; Pavement maintenance; Slabs; Spalling
- Subject Areas: Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways;
- Accession Number: 00719230
- Record Type: Publication
- Report/Paper Numbers: TB-003P
- Files: TRIS
- Created Date: Mar 25 1996 12:00AM