Evaluation of ASTM C 494 Procedures for Polycarboxylate Admixtures Used in Precast Concrete Elements [Project Summary]

Details

• Alternative Title:
  0-6813: Evaluation of ASTM C 494 Procedures for Polycarboxylate Admixtures Used in Precast Concrete Elements
• Creators:
  Ferron, Raissa Douglas ; Stacey, Stephen ; Carris, Gwen ; Rung, Michael
• Corporate Creators:
  University of Texas at Austin. Center for Transportation Research
• Corporate Contributors:
  Texas Department of Transportation. Research and Technology Implementation Office
• Subject/TRT Terms:
  • Beams
  • Cracking
  • Girders
  • Microcracking
  • Precast concrete
  • Autogenous shrinkage
  • High-range water reducing admixtures
  • Polycarboxylates
• Resource Type:
  Brief
• Geographical Coverage:
  United States ; Texas
• Edition:
  Project Summary
• Contracting Officer:
  Ferron, Raissa Douglas
• Corporate Publisher:
  University of Texas at Austin. Center for Transportation Research
• Abstract:
  An overarching objective of this project is to increase the understanding of the effect of polycarboxylate (PC) high-range water-reducers (HRWR) on the performance of concrete mixtures, with a special focus on concrete mixtures that will be used in precast concrete beam applications. The motivation for this research was based upon the results of Interagency Contract (IAC) No. 463MTIA034: Evaluation of Long-Term Durability of Concrete, which addresses potential mechanisms for unexplained cracking in girders cast at Texas precast plants, typically appearing 18–24 months after casting.
• Format:
  PDF
• Funding:
  0-6813
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/65985/dot_65985_DS1.pdf
• File Type:
  [PDF - 439.54 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:c30fcdcb91d4628de111fa4d0c3dbddc366685fc92ef172f094e5a8fe40b90c5