THIN BONDED PCC RESURFACING INTERIM REPORT NO. 1
The purpose of this study was to evaluate the construction techniques and performance characteristics of the La. DOTD's first portland cement concrete resufacing project which was constructed over a short section of an existing 9-inch concrete pavement located on US 61 north of Baton Rouge. The old pavement surface was cleaned with a device which blasted the surface with small steel shot. The resurfacing concrete consisted of a 5.8-bag, air-entrained limestone concrete with an average thickness of 4 inches. A water cement grout was used as a bonding agent and was sprayed on the old pavement immediately prior to overlay. The new overlay increased the serviceability index of the pavement from 2.3 to 4.0 and increased the skid resistance from 36 to 64. Approximately 10 percent of the exterior slab corners appear to have experienced varying degrees of disbondment; however, the disbondment has not resulted in any slab cracking or other distress related problems. Recommendations are made relative to construction of future thin bonded pcc overlays.
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Corporate Authors:
Louisiana Department of Transportation and Development
1201 Capitol Access Road, P.O. Box 94245
Baton Rouge, LA United States 70804-9245 -
Authors:
- Temple, W H
- Rasoulian, M
- Publication Date: 1982-6
Media Info
- Pagination: 41 p.
Subject/Index Terms
- TRT Terms: Blast cleaning; Concrete pavements; Pavement performance; Paving; Portland cement concrete; Resurfacing; Serviceability; Skid resistance
- Uncontrolled Terms: Serviceability Index
- Subject Areas: Construction; Design; Highways; Maintenance and Preservation; Pavements; I22: Design of Pavements, Railways and Guideways; I52: Construction of Pavements and Surfacings;
Filing Info
- Accession Number: 00368246
- Record Type: Publication
- Report/Paper Numbers: FHWA/LA-82/156 Intrm Rpt., FCP 45D2-724
- Contract Numbers: 80-3P(B)
- Files: TRIS, STATEDOT
- Created Date: Dec 30 1982 12:00AM