Evaluation of Non-Nuclear Density Gauges

Details

• Creators:
  Allen, David L. ; Schultz, David B. ; Willett, David Allen
• Corporate Creators:
  University of Kentucky Transportation Center
• Corporate Contributors:
  Kentucky. Transportation Cabinet ; United States. Federal Highway Administration
• Subject/TRT Terms:
  • Hot mix asphalt
  • Nuclear density gages
  • Feasibility analysis
  • Density
  • Mats (Footings)
  • Resurfacing
  • Calibration
  • Nuclear radiation
  • Nuclear gages
  • Non-nuclear density gauges
  More +
• Publication/ Report Number:
  KTC-03-24/FR115-01-1F
• Resource Type:
  Tech Report
• Geographical Coverage:
  Kentucky ; United States
• TRIS Online Accession Number:
  00974931
• Edition:
  Research Report
• Corporate Publisher:
  University of Kentucky Transportation Center
• Abstract:
  For the past several decades, density of freshly laid hot mix asphalt (HMA) mats has been measured using nuclear density gauges. However, use of these devices requires the user to maintain an inordinate amount of records on the use of the equipment. In addition, there is always the concern about possible accidents with the gauges that might expose the radiation source to the operators or other bystanders. Other methods are being developed and evaluated to measure in-place density. One of the more promising ways to determine density is to measure the dielectric constant of an HMA mat by measuring its electrical "impedance" at a chosen frequency (non-nuclear density gauges). The sole objective was to compare nuclear density gauge with non-nuclear density gauge (PQI 300) methods if they yielded similar results when measuring.
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/38980/dot_38980_DS1.pdf
• File Type:
  [PDF - 437.52 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:91c20e7eac8409c46447fba261d07e53afa476307e21441135bf7ab063aa7954