FURTHER TESTS OF ASPHALT-STONE ADHESION AND ITS WATER SENSITIVITY

PEELING TESTS OF STONE-ASPHALT-ALUMINUM FOIL JOINTS ARE DESCRIBED. METHODS OF SPECIMEN PREPARATION ARE DISCUSSED. PEELING RATE AS A FUNCTION OF DEAD WEIGHT LOAD HAS BEEN MEASURED AT 70 DEG.-F, 50% R.H. AND 70 DEG.-F, 100% R.H. THE SATURATED ENVIRONMENT PRODUCES SOME PEEL RATE INCREASES, AT 200-250 HOURS EXPOSURE, BUT AT LONGER EXPOSURE INTERVALS, THE PEEL RATES REDUCE TO THOSE OF UNEXPOSED CONTROLS. A NEW TEST METHODS AT A CONSTANT PEEL RATE HAS BEEN DEVELOPED, AND OFFERS CERTAIN ADVANTAGES. PRELIMINARY RESULTS FROM WATER IMMERSED TESTS ON WATER IMMERSED SPECIMENS SUGGEST SOME WEAKENING INFLUENCES, THOUGH CONCLUSIONS AWAIT MORE DATA. FUTURE WORK IS INDICATED. /AUTHOR/

• Supplemental Notes:
  • Hps-hpr-1/21/, 8, R2-23
• Corporate Authors:

  Massachusetts Institute of Technology

  Department of Civil Engineering, 77 Massachusetts Avenue
  Cambridge, MA  United States  02139
• Authors:
  • Desio, P J
• Publication Date: 1965-9

Subject/Index Terms

• TRT Terms: Adhesion; Aluminum; Asphalt; Crash exposure; Foil; Humidity; Joints; Rates; Sensitivity; Specimens; Static loads; Stone; Temperature; Testing; Time intervals; Water; Weight
• Uncontrolled Terms: Exposure; Immersion; Peeling
• Old TRIS Terms: Aluminum foil; Joint
• Subject Areas: Geotechnology; Highways; Materials; Safety and Human Factors;

Filing Info

• Accession Number: 00215829
• Record Type: Publication
• Files: TRIS
• Created Date: Jan 1 1994 12:00AM