PRODUCTION OF CONCRETE CONTAINING FLY ASH FOR PAVEMENT APPLICATIONS. INTERIM REPORT

The need for more cost efficient construction materials for highway applications and the problem of waste disposal of fly ash have prompted the study presented herein. This study addresses some of the major concerns of resident highway engineers about concrete containing fly ash for highway applications, which include: curing conditions, setting times, strength development, and durability. This report summarizes the experimental observations and conclusions from a research program investigating the properties of both fresh and hardened pavement concrete containing fly ash. Tests were performed to establish guidelines for the selection of materials and trial mix design procedures for producing quality fly ash concrete. The study investigated freeze-thaw resistance, flexural and compressive strength characteristics, mixing conditions and procedures, and curing conditions such as temperature, humidity, and curing methods. Types A and B fly ashes were used in this study as a replacement for 0, 15, 25, and 35% Type I portland cement by weight. In addition, Type IP cement containing 20% Type A fly ash was used. The results of this study show that concrete containing fly ash can be designed and proportioned to meet present Texas SDHPT specifications for highway applications. In addition, this study reveals that an optimum mix design for concrete containing fly ash is both technically and economically advantageous to the Texas SDHPT. This report provides the resident engineer with recommendations to ensure the production of quality concrete containing fly ash for highway applications.

• Record URL:
  • https://library.ctr.utexas.edu/digitized/texasarchive/phase2/364-2.pdf
• Corporate Authors:

  University of Texas, Austin

  Center for Transportation Research, 3208 Red River Street
  Austin, TX  United States  78705

  Texas State Department of Highways & Public Transportation

  Transportation Planning Division, P.O. Box 5051
  Austin, TX  United States  78763

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Olek, J
  • Tikalsky, P J
  • Carrasquillo, R L
• Publication Date: 1986-5

Media Info

• Features: Appendices; Figures; References;
• Pagination: 188 p.

Subject/Index Terms

• TRT Terms: Building materials; Compressive strength; Concrete curing; Flexural strength; Fly ash; Freeze thaw durability; Guidelines; Humidity; Mix design; Optimization; Temperature
• Uncontrolled Terms: Selecting
• Subject Areas: Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 00463262
• Record Type: Publication
• Source Agency: Federal Highway Administration
• Report/Paper Numbers: FHWA/TX-87/2+364-2, Research Rpt 364-2
• Contract Numbers: Res Study 3-9-84-364
• Files: TRIS, USDOT, STATEDOT
• Created Date: Mar 31 1987 12:00AM