POLYMER CONCRETE REPAIR OF BRIDGE DECKS
Techniques for polymer concrete (PC) repair of concrete have been developed. PC has proven to be a strong, durable material that bonds well to sound concrete. The chemicals include monomers, promoters and initiators. The materials are volatile and flammable, but construction experience has shown that these materials can be safely used on large projects. Well graded, dry, clean aggregate is required as a filler. The preparation of the repair area is similar to the preparation required for other materials. The concrete surface must be sound, dry and clean to insure a good bond. Cracks and holes in concrete and formwork must be sealed to prevent monomer leakage. Monomer may be poured over aggregate which has been placed dry in the hole, or the monomer and aggregate may be premixed before placing. The material should be consolidated and finished by screeding and troweling. The surface should be kept covered until polymerization has occurred which requires an hour or less. Examples of thin, shallow, and full-depth PC repairs are given. The cost of chemicals averages about $260 per cu. yd ($340 per cu. m).
- Study Title: "Polymer-Impregnatted Concrete for Highway Application".
University of Texas, AustinCenter for Transportation Research, 3208 Red River Street
Austin, TX USA 78705
Texas State Department of Highways & Public TranspTransportation Planning Division, P.O. Box 5051
Austin, TX USA 78763
- Fowler, D W
- Paul, D R
- Publication Date: 1979-3
- Pagination: 45 p.
- TRT Terms: Aggregates; Bridge decks; Concrete; Fracture mechanics; Monomers; Polymer concrete; Repairing
- Uncontrolled Terms: Repairs
- Subject Areas: Geotechnology; Highways; Maintenance and Preservation; Materials; I32: Concrete;
- Accession Number: 00319776
- Record Type: Publication
- Source Agency: Federal Highway Administration
- Report/Paper Numbers: FHWATX-79-02+114-8 Intrm Rpt.
- Contract Numbers: 3-9-71-114
- Files: TRIS, USDOT, STATEDOT
- Created Date: Mar 12 1981 12:00AM