OBSERVATIONS ON PROTECTIVE SURFACE COATINGS FOR EXPOSED OR ASPHALT-SURFACED CONCRETE & DISCUSSION

IF A SUITABLE SURFACE COATING COULD BE FOUND THAT WOULD KEEP CONCRETE DRY AND PREVENT THE ENTRY OF SALT SOLUTION, A SIGNIFICANT REDUCTION IN SCALING AND SPALLING, TOGETHER WITH A GENERAL IMPROVEMENT IN DURABILITY MIGHT BE EXPECTED. THE OBSERVATIONS MADE ARE BASED ON THE INSPECTION OF TREATED STRUCTURES AND PAVEMENTS, CONTROLLED FIELD TRIALS, AND LABORATORY EVALUATIONS WHICH MAY BE INDICATIVE OF THE EFFECTS OF A WIDE RANGE OF SURFACE COATINGS IN IMPROVING (OR OTHERWISE) THE FREEZE-THAW DURABILITY AND SCALING RESISTANCE OF CONCRETE. RESULTS APPEAR TO SHOW THAT FAITH IN CONVENTIONAL SURFACE COATINGS SUCH AS LINSEED OIL OR BITUMINOUS PRODUCTS (OTHER THAN NORMAL ASPHALT SURFACINGS) IS MORE JUSTIFIED THAN HOPE IN MORE EXOTIC SUBSTANCES. WITH MANY PROTECTIVE COATINGS THE IMPORTANCE OF SUCH SIDE ISSUES AS THE DIFFICULTY OF ATTAINING ADEQUATE BOND WITH AN OVERLYING ASPHALT SURFACE OR THE ADVERSE EFFECTS OF SEALING ALL THE EXPOSED SURFACES OF A CONCRETE SECTION HAS BECOME APPARENT. PENDING COMPLETION OF THE INVESTIGATION AN INTERIM CONCLUSION IS THAT, ALTHOUGH SURFACE COATINGS ARE NOT IN THEMSELVES THE ANSWER TO MAKING CONCRETE DURABLE, A SUITABLE ONE, CORRECTLY AND SELECTIVELY APPLIED, MAY OFFER A WORTHWHILE ADDITIONAL LINE OF DEFENSE TO REINFORCE AIR ENTRAINING IN NEW CONSTRUCTION OR RETARD FURTHER DETERIORATION IN OLDER STRUCTURES OR PAVEMENTS. /AUTHOR/

• Record URL:
  http://onlinepubs.trb.org/Onlinepubs/hrbbulletin/323/323-010.pdf
• Supplemental Notes:
  • No 323, pp 72-96, 17 FIG, 10 TAB, 11 REF Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
• Authors:
  • Smith, P
• Discussers:
  • Linzell, Samuel O
• Conference:
  • 41st Annual Meeting of the Highway Research Board
  • Location: Washington DC, United States
  • Date: 1962-1-8 to 1962-1-12
• Publication Date: 1962

Media Info

• Media Type: Digital/other
• Monograph Title: Effects of de-icing chemicals on structures
• Serial:
  • Highway Research Board Bulletin
  • Issue Number: 323
  • Publisher: Highway Research Board

Subject/Index Terms

• TRT Terms: Asphalt; Bituminous materials; Concrete; Deterioration; Freeze thaw durability; Linseed oil; Protective coatings; Spalling; Surface course (Pavements); Surface treating
• Uncontrolled Terms: Scaling
• Old TRIS Terms: Bituminous surface treatments; Bituminous surfacing
• Subject Areas: Highways; Maintenance and Preservation;

Filing Info

• Accession Number: 00218296
• Record Type: Publication
• Files: TRIS, TRB
• Created Date: Jul 29 1994 12:00AM