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Publication Number:  FHWA-HRT-17-053    Date:  February 2019
Publication Number: FHWA-HRT-17-053
Date: February 2019


Tension Testing of Ultra-High Performance Concrete

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The research discussed herein was conducted jointly through a collaboration between the respective structural concrete research programs within the Federal-level highway research agencies in the United States (FHWA's Turner-Fairbank Highway Research Center) and France (French Institute of Science and Technology for Transport, Development and Networks). Owners, consultants, contractors, and technical experts interested in the use of UHPC in transportation-related structures will benefit from the information contained herein.

Cheryl Allen Richter, Ph.D., P.E.
Director, Office of Infrastructure
Research and Development


This document is disseminated under the sponsorship of the U.S. Department of Transportation (USDOT) in the interest of information exchange. The U.S. Government assumes no liability for the use of the information contained in this document.

The U.S. Government does not endorse products or manufacturers. Trademarks or manufacturers' names appear in this report only because they are considered essential to the objective of the document.

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Technical Report Documentation Page
1. Report No.
2. Government Accession No. 3. Recipient’s Catalog No.
4. Title and Subtitle
Tension Testing of Ultra-High Performance Concrete
5. Report Date
February 2019
6. Performing Organization Code
7. Author(s)
Benjamin A. Graybeal (ORCID: 0000-0002-3694-1369) and Florent Baby
8. Performing Organization Report No.
9. Performing Organization Name and Address
Office of Infrastructure Research and Development
Federal Highway Administration
6300 Georgetown Pike
McLean, VA 22101-2296
10. Work Unit No. (TRAIS)
11. Contract or Grant No.
12. Sponsoring Agency Name and Address
Office of Infrastructure Research and Development
Federal Highway Administration
6300 Georgetown Pike
McLean, VA 22101-2296
13. Type of Report and Period Covered
Final Report; January 2010-December 2012
14. Sponsoring Agency Code
15. Supplementary Notes
This research project was led by the Federal Highway Administration (FHWA). The French Roads and Bridges Research Agency partnered with FHWA on the planning and execution of the project.
16. Abstract
Ultra-high performance concrete (UHPC) is a class of cementitious composite materials designed to exhibit exceptional mechanical and durability properties, including sustained postcracking tensile strength. Laboratory tests of structural elements have clearly indicated that UHPC components can exhibit tensile mechanical properties far in excess of those expected from conventional or fiber-reinforced concretes. This study developed a material scale direct tension test applicable to UHPC that relates the full range of uniaxial tensile behaviors through strain localization and can be completed on cast or extracted specimens. In order to demonstrate applicability, the test method was carried out in parallel with other UHPC tension test methods. This research model allowed for both development of a practical test method along with direct determination of the tensile mechanical properties of two commercially available UHPC-class materials.
17. Key Words
Ultra-high performance concrete, UHPC, Fiber-reinforced concrete, Direct tension test, Prism flexure test, Uniaxial tensile mechanical response
18. Distribution Statement
No restrictions. This document is available to the public through the National Technical Information Service, Springfield, VA 22161.
19. Security Classif. (of this report)
20. Security Classif. (of this page)
21. No. of Pages
22. Price
Form DOT F 1700.7 (8-72) Reproduction of completed pages authorized.
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