Seal coat quality : does low cost mean low quality? : project summary.

Details

• Alternative Title:
  0-6747 : seal coat quality : does low cost mean low quality?
• Creators:
  Estakhri, Cindy K. ; Senadheera, Sanjaya Priyantha, 1959-
• Corporate Creators:
  Texas A&M Transportation Institute
• Subject/TRT Terms:
  Seal Coating Seal Coating Methods Seal Coats
• Publication/ Report Number:
  0-6747
• Resource Type:
  Tech Report
• Geographical Coverage:
  Texas ; United States
• Corporate Publisher:
  Texas A&M Transportation Institute
• Abstract:
  In the laboratory test program for aggregates, the research team found that the gravel aggregates, which are also SAC A aggregates, performed the best in terms of wear resistance as measured with the methods described here. The remaining aggregates, which consisted of limestones, limestone rock asphalt (LRA), and lightweight aggregate, exhibited a range of wear characteristics. One of the limestone sources exhibited very poor performance in the micro-Deval test and yet performed like the other limestones in the abrasion resistance test. The abrasion resistance test does seem to distinguish between different SAC B materials and generally indicates that the LRA aggregates are poor performers in terms of wear resistance. This also seems to be consistent with field reports. Lightweight aggregate, a very popular seal coat aggregate with unique properties, also performed poorly in the abrasion resistance test.
• Format:
  PDF
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:e38e92dad21811b27511d1e51898c38dcf37eab388416c1bffa69eb07258306c
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/32213/dot_32213_DS1.pdf
• File Type:
  [PDF - 359.07 KB ]