Cold weather paving requirements for bituminous concrete.

Details

• Creators:
  Maupin, G. W
• Corporate Creators:
  Virginia Highway Research Council
• Subject/TRT Terms:
  • Cold weather construction
  • Bituminous concrete pavements
  • Pavements, Bituminous--Cold weather conditions
  • Asphalt concrete--Effect of temperature on
  • Compacting--Cold weather conditions
  • Heat--Measurement
• Publication/ Report Number:
  VHRC 72-R24
• Resource Type:
  Tech Report
• Geographical Coverage:
  Virginia
• Corporate Publisher:
  Virginia Transportation Research Council (VTRC)
• Abstract:
  Cold weather paving specifications were developed from work by Corlew and Dickson, who used a computer solution to predict the cooling rate of bituminous concrete. Virginia had used a minimum atmospheric temperature as a criterion; however, it was evident that other factors had a significant effect, so the computer solution was considered as a possible basis for new specifications. Although the solution had been checked by field measurements it was decided to obtain further verification by plotting cooling curves for freshly placed hot mix. The curves were developed by measuring the cooling rates of bituminous mats of varying thicknesses under a variety of weather conditions. The field measurements verified the computer solution, and it was used to develop new cold weather paving specifications. The first specification, put into effect in 1970, was written in tabular form using the laydown temperature and mat thickness as criteria. This specification was modified and put into the form of a simple nomograph.
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/19934/dot_19934_DS1.pdf
• File Type:
  [PDF - 933.82 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:e874ac10a1a44d98235c6ef488d251be1f070caa2bb0bf5f7853800a78571f6325ea759d82a35afce3d8f58cb4204e131aed7ab6a75c952b4d0aaddbb7f096d2