Comparisons were made of the properties of concrete mixtures cured with radiant heat and mixtures cured with low pressure steam and of the curing conditions. The concrete were prepared and cured at two plants which produce precast, prestressed concrete products and in the Research Council laboratory. The results indicate that radiant heat curing used in combinatin with a membrane curing compound can produce an acceptable concrete. Compresive strength, freeze-thaw performance, and permeability to chloride ions were not significantly different for concretes cured with the two curing methods. The curing achieved at the plant with radiant heat was found to be much less uniform than that with low pressure steam but was adequate when proper precautions were exercised. Therefore, it is recommended that beds should be suitably enclosed and that heat pipes be properly positioned to minimize temperature differentials throughout the member. Also, cylinders should be cured at the same temperature used in cuuring the least mature part of the member. (Author)

  • Record URL:
  • Corporate Authors:

    Virginia Highway and Transportation Research Council

    Charlottesville, VA  United States 

    Virginia Department of Highways

    Traffic and Planning Division, 1221 East Broad Street
    Richmond, VA  United States  23219

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Authors:
    • Sprinkel, M M
  • Publication Date: 1985-5

Media Info

  • Features: Appendices; Figures; References; Tables;
  • Pagination: 46 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00399511
  • Record Type: Publication
  • Report/Paper Numbers: FHWA-VA-85-34, VHTRC 85-R34
  • Contract Numbers: 2080
  • Created Date: Aug 25 2004 1:43AM