Development of Non-Proprietary Ultra-High Performance Concrete

Ultra-high performance concrete (UHPC) has mechanical and durability properties that far exceed those of conventional concrete. Particularly, UHPC has compressive and post-cracking tensile strengths of around 20 ksi and 0.72 ksi, respectively. Thus, elements made with UHPC are thinner/lighter than elements made with conventional concrete. The enhanced durability properties of UHPC also allow for longer service lives and decreased maintenance costs. However, using UHPC in conventional concrete applications has been cost prohibitive, with commercially available/proprietary mixes costing over 20 times conventional concrete mixes.The overall objective of this research was to develop and characterize economical non-proprietary UHPC mixes made with materials readily available in Montana. This objective was achieved by first identifying and obtaining suitable/economical materials to be used in UHPC. Specifically, the materials identified and used in this research were simply Type I/II portland cement, class F fly ash, fine masonry sand, silica fume, and high range water reducer. UHPC mixes were then developed/characterized/optimized by using a statistical experimental design procedure (response surface methodology). An optimal mix that provided desired workability and strength was selected for further evaluation through a suite of mechanical and durability tests. The mixes developed as part of this research obtained compressive strengths of approximately 20 ksi with flows of 8-11 inches. The mechanical properties tested in this research were compressive and tensile strength, elastic modulus, and shrinkage. Durability tests included alkali-silica reactivity, absorption, abrasion, chloride permeability, freezethaw resistance, and scaling

• Record URL:
  • https://www.mdt.mt.gov/research/projects/mat/high_performance_concrete.shtml
• Record URL:
  • https://rosap.ntl.bts.gov/view/dot/35953
• Supplemental Notes:
  • Sponsoring Agency Code 5401
• Corporate Authors:

  Western Transportation Institute

  Montana State University, Bozeman
  P.O. Box 174250
  Bozeman, MT  United States  59717-4250

  Montana Department of Transportation

  2701 Prospect Avenue
  P.O. Box 201001
  Helena, MT  United States  59620-1001

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Berry, Michael
  • Snidarich, Richard
  • Wood, Camylle
• Publication Date: 2017-12

Language

• English

Media Info

• Media Type: Web
• Edition: Final Report
• Features: Figures; References; Tables;
• Pagination: 128p

Subject/Index Terms

• TRT Terms: Abrasion tests; Admixtures; Bridge construction; Compressive strength; Durability tests; Fiber reinforced concrete; Freeze thaw durability; Modulus of elasticity; Performance measurement; Permeability; Shrinkage; Tensile properties; Ultra high performance concrete
• Subject Areas: Highways; Materials; Pavements;

Filing Info

• Accession Number: 01654538
• Record Type: Publication
• Report/Paper Numbers: FHWA/MT-17-010/8237-001
• Contract Numbers: MSU G&C 4W5387; MDT Project 8237-001
• Files: NTL, TRIS, ATRI, USDOT, STATEDOT
• Created Date: Dec 27 2017 10:20AM